/* Compiler driver program that can handle many languages.
Copyright (C) 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation,
- Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA.
-
-This paragraph is here to try to keep Sun CC from dying.
-The number of chars here seems crucial!!!! */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* This program is the user interface to the C compiler and possibly to
other compilers. It is used because compilation is a complicated procedure
#include "prefix.h"
#include "gcc.h"
#include "flags.h"
+#include "opts.h"
+
+#ifdef HAVE_MMAP_FILE
+# include <sys/mman.h>
+# ifdef HAVE_MINCORE
+/* This is on Solaris. */
+# include <sys/types.h>
+# endif
+#endif
+
+#ifndef MAP_FAILED
+# define MAP_FAILED ((void *)-1)
+#endif
/* By default there is no special suffix for target executables. */
/* FIXME: when autoconf is fixed, remove the host check - dj */
/* Flag set by cppspec.c to 1. */
int is_cpp_driver;
+/* Flag set to nonzero if an @file argument has been supplied to gcc. */
+static bool at_file_supplied;
+
/* Flag saying to pass the greatest exit code returned by a sub-process
to the calling program. */
static int pass_exit_codes;
static int print_multi_directory;
+static int print_sysroot;
+
/* Flag saying to print the relative path we'd use to
find OS libraries given the current compiler flags. */
static int print_help_list;
+/* Flag saying to print the version of gcc and its sub-processes. */
+
+static int print_version;
+
+/* Flag saying to print the sysroot suffix used for searching for
+ headers. */
+
+static int print_sysroot_headers_suffix;
+
/* Flag indicating whether we should print the command and arguments */
static int verbose_flag;
shell scripts to capture the driver-generated command line. */
static int verbose_only_flag;
-/* Flag indicating to print target specific command line options. */
+/* Flag indicating how to print command line options of sub-processes. */
-static int target_help_flag;
+static int print_subprocess_help;
/* Flag indicating whether we should report subprocess execution times
(if this is supported by the system - see pexecute.c). */
static int report_times;
+/* Whether we should report subprocess execution times to a file. */
+
+FILE *report_times_to_file = NULL;
+
/* Nonzero means place this string before uses of /, so that include
and library files can be found in an alternate location. */
/* Nonzero means write "temp" files in source directory
and use the source file's name in them, and don't delete them. */
-static int save_temps_flag;
+static enum save_temps {
+ SAVE_TEMPS_NONE, /* no -save-temps */
+ SAVE_TEMPS_CWD, /* -save-temps in current directory */
+ SAVE_TEMPS_OBJ /* -save-temps in object directory */
+} save_temps_flag;
+
+/* Output file to use to get the object directory for -save-temps=obj */
+static char *save_temps_prefix = 0;
+static size_t save_temps_length = 0;
/* Nonzero means pass multiple source files to the compiler at one time. */
/* Nonzero if cross-compiling.
When -b is used, the value comes from the `specs' file. */
-#ifdef CROSS_COMPILE
+#ifdef CROSS_DIRECTORY_STRUCTURE
static const char *cross_compile = "1";
#else
static const char *cross_compile = "0";
switch. The only case we support now is simply appending or deleting a
string to or from the end of the first part of the configuration name. */
+enum add_del {ADD, DELETE};
+
static const struct modify_target
{
const char *const sw;
- const enum add_del {ADD, DELETE} add_del;
+ const enum add_del add_del;
const char *const str;
}
modify_target[] = MODIFY_TARGET_NAME;
static struct obstack collect_obstack;
+/* This is a list of a wrapper program and its arguments.
+ e.g. wrapper_string of "strace,-c"
+ will cause all programs to run as
+ strace -c program arguments
+ instead of just
+ program arguments */
+static const char *wrapper_string;
+
/* Forward declaration for prototypes. */
struct path_prefix;
struct prefix_list;
static void init_spec (void);
static void store_arg (const char *, int, int);
+static void insert_wrapper (const char *);
static char *load_specs (const char *);
static void read_specs (const char *, int);
static void set_spec (const char *, const char *);
static struct compiler *lookup_compiler (const char *, size_t, const char *);
-static char *build_search_list (struct path_prefix *, const char *, int);
-static void putenv_from_prefixes (struct path_prefix *, const char *);
+static char *build_search_list (const struct path_prefix *, const char *,
+ bool, bool);
+static void xputenv (const char *);
+static void putenv_from_prefixes (const struct path_prefix *, const char *,
+ bool);
static int access_check (const char *, int);
-static char *find_a_file (struct path_prefix *, const char *, int, int);
+static char *find_a_file (const struct path_prefix *, const char *, int, bool);
static void add_prefix (struct path_prefix *, const char *, const char *,
int, int, int);
static void add_sysrooted_prefix (struct path_prefix *, const char *,
static const char *handle_spec_function (const char *);
static char *save_string (const char *, int);
static void set_collect_gcc_options (void);
-static void do_spec_path (struct prefix_list *, const char *, int, int, int, const char *, const char *);
static int do_spec_1 (const char *, int, const char *);
static int do_spec_2 (const char *);
static void do_option_spec (const char *, const char *);
static void do_self_spec (const char *);
static const char *find_file (const char *);
-static int is_directory (const char *, const char *, int);
+static int is_directory (const char *, bool);
static const char *validate_switches (const char *);
static void validate_all_switches (void);
static inline void validate_switches_from_spec (const char *);
static void set_multilib_dir (void);
static void print_multilib_info (void);
static void perror_with_name (const char *);
+static void fatal_ice (const char *, ...) ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
static void notice (const char *, ...) ATTRIBUTE_PRINTF_1;
static void display_help (void);
static void add_preprocessor_option (const char *, int);
static const char *convert_filename (const char *, int, int);
#endif
+static const char *getenv_spec_function (int, const char **);
static const char *if_exists_spec_function (int, const char **);
static const char *if_exists_else_spec_function (int, const char **);
static const char *replace_outfile_spec_function (int, const char **);
static const char *version_compare_spec_function (int, const char **);
+static const char *include_spec_function (int, const char **);
+static const char *print_asm_header_spec_function (int, const char **);
+static const char *compare_debug_dump_opt_spec_function (int, const char **);
+static const char *compare_debug_self_opt_spec_function (int, const char **);
+static const char *compare_debug_auxbase_opt_spec_function (int, const char **);
\f
/* The Specs Language
%i substitute the name of the input file being processed.
%b substitute the basename of the input file being processed.
This is the substring up to (and not including) the last period
- and not including the directory.
+ and not including the directory unless -save-temps was specified
+ to put temporaries in a different location.
%B same as %b, but include the file suffix (text after the last period).
%gSUFFIX
substitute a file name that has suffix SUFFIX and is chosen
chosen in a way that is hard to predict even when previously
chosen file names are known. For example, `%g.s ... %g.o ... %g.s'
might turn into `ccUVUUAU.s ccXYAXZ12.o ccUVUUAU.s'. SUFFIX matches
- the regexp "[.A-Za-z]*%O"; "%O" is treated exactly as if it
+ the regexp "[.0-9A-Za-z]*%O"; "%O" is treated exactly as if it
had been pre-processed. Previously, %g was simply substituted
with a file name chosen once per compilation, without regard
to any appended suffix (which was therefore treated just like
it is subsequently output with %*. SUFFIX is terminated by the next
space or %.
%d marks the argument containing or following the %d as a
- temporary file name, so that that file will be deleted if CC exits
+ temporary file name, so that that file will be deleted if GCC exits
successfully. Unlike %g, this contributes no text to the argument.
%w marks the argument containing or following the %w as the
"output file" of this compilation. This puts the argument
SUFFIX characters following %O as they would following, for
example, `.o'.
%I Substitute any of -iprefix (made from GCC_EXEC_PREFIX), -isysroot
- (made from TARGET_SYSTEM_ROOT), and -isystem (made from COMPILER_PATH
- and -B options) as necessary.
+ (made from TARGET_SYSTEM_ROOT), -isystem (made from COMPILER_PATH
+ and -B options) and -imultilib as necessary.
%s current argument is the name of a library or startup file of some sort.
Search for that file in a standard list of directories
and substitute the full name found.
argument vector in the usual fashion. The function returns
a string which is processed as if it had appeared literally
as part of the current spec.
- %{S} substitutes the -S switch, if that switch was given to CC.
+ %{S} substitutes the -S switch, if that switch was given to GCC.
If that switch was not specified, this substitutes nothing.
Here S is a metasyntactic variable.
- %{S*} substitutes all the switches specified to CC whose names start
+ %{S*} substitutes all the switches specified to GCC whose names start
with -S. This is used for -o, -I, etc; switches that take
- arguments. CC considers `-o foo' as being one switch whose
+ arguments. GCC considers `-o foo' as being one switch whose
name starts with `o'. %{o*} would substitute this text,
including the space; thus, two arguments would be generated.
%{S*&T*} likewise, but preserve order of S and T options (the order
of ampersand-separated variables; for each the wild card is
optional. Useful for CPP as %{D*&U*&A*}.
- %{S:X} substitutes X, if the -S switch was given to CC.
- %{!S:X} substitutes X, if the -S switch was NOT given to CC.
+ %{S:X} substitutes X, if the -S switch was given to GCC.
+ %{!S:X} substitutes X, if the -S switch was NOT given to GCC.
%{S*:X} substitutes X if one or more switches whose names start
- with -S was given to CC. Normally X is substituted only
+ with -S was given to GCC. Normally X is substituted only
once, no matter how many such switches appeared. However,
if %* appears somewhere in X, then X will be substituted
once for each matching switch, with the %* replaced by the
part of that switch that matched the '*'.
%{.S:X} substitutes X, if processing a file with suffix S.
%{!.S:X} substitutes X, if NOT processing a file with suffix S.
-
- %{S|T:X} substitutes X if either -S or -T was given to CC. This may be
- combined with !, ., and * as above binding stronger than the OR.
+ %{,S:X} substitutes X, if processing a file which will use spec S.
+ %{!,S:X} substitutes X, if NOT processing a file which will use spec S.
+
+ %{S|T:X} substitutes X if either -S or -T was given to GCC. This may be
+ combined with '!', '.', ',', and '*' as above binding stronger
+ than the OR.
If %* appears in X, all of the alternatives must be starred, and
only the first matching alternative is substituted.
- %{S:X; if S was given to CC, substitutes X;
- T:Y; else if T was given to CC, substitutes Y;
+ %{S:X; if S was given to GCC, substitutes X;
+ T:Y; else if T was given to GCC, substitutes Y;
:D} else substitutes D. There can be as many clauses as you need.
- This may be combined with ., !, |, and * as above.
+ This may be combined with '.', '!', ',', '|', and '*' as above.
%(Spec) processes a specification defined in a specs file as *Spec:
%[Spec] as above, but put __ around -D arguments
that a command should be piped to the following command, but only if -pipe
is specified.
-Note that it is built into CC which switches take arguments and which
+Note that it is built into GCC which switches take arguments and which
do not. You might think it would be useful to generalize this to
allow each compiler's spec to say which switches take arguments. But
-this cannot be done in a consistent fashion. CC cannot even decide
+this cannot be done in a consistent fashion. GCC cannot even decide
which input files have been specified without knowing which switches
take arguments, and it must know which input files to compile in order
to tell which compilers to run.
-CC also knows implicitly that arguments starting in `-l' are to be
+GCC also knows implicitly that arguments starting in `-l' are to be
treated as compiler output files, and passed to the linker in their
proper position among the other output files. */
\f
}} %{fmudflap|fmudflapth: --wrap=main}"
#endif
#ifndef MFLIB_SPEC
-#define MFLIB_SPEC "%{fmudflap|fmudflapth: -export-dynamic}"
+#define MFLIB_SPEC "%{fmudflap|fmudflapth: -export-dynamic}"
#endif
/* config.h can define LIBGCC_SPEC to override how and when libgcc.a is
#define LINKER_NAME "collect2"
#endif
+#ifdef HAVE_AS_DEBUG_PREFIX_MAP
+#define ASM_MAP " %{fdebug-prefix-map=*:--debug-prefix-map %*}"
+#else
+#define ASM_MAP ""
+#endif
+
/* Define ASM_DEBUG_SPEC to be a spec suitable for translating '-g'
to the assembler. */
#ifndef ASM_DEBUG_SPEC
# if defined(DBX_DEBUGGING_INFO) && defined(DWARF2_DEBUGGING_INFO) \
&& defined(HAVE_AS_GDWARF2_DEBUG_FLAG) && defined(HAVE_AS_GSTABS_DEBUG_FLAG)
-# define ASM_DEBUG_SPEC \
- (PREFERRED_DEBUGGING_TYPE == DBX_DEBUG \
- ? "%{gdwarf-2*:--gdwarf2}%{!gdwarf-2*:%{g*:--gstabs}}" \
- : "%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}")
+# define ASM_DEBUG_SPEC \
+ (PREFERRED_DEBUGGING_TYPE == DBX_DEBUG \
+ ? "%{!g0:%{gdwarf-2*:--gdwarf2}%{!gdwarf-2*:%{g*:--gstabs}}}" ASM_MAP \
+ : "%{!g0:%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}}" ASM_MAP)
# else
# if defined(DBX_DEBUGGING_INFO) && defined(HAVE_AS_GSTABS_DEBUG_FLAG)
-# define ASM_DEBUG_SPEC "%{g*:--gstabs}"
+# define ASM_DEBUG_SPEC "%{g*:%{!g0:--gstabs}}" ASM_MAP
# endif
# if defined(DWARF2_DEBUGGING_INFO) && defined(HAVE_AS_GDWARF2_DEBUG_FLAG)
-# define ASM_DEBUG_SPEC "%{g*:--gdwarf2}"
+# define ASM_DEBUG_SPEC "%{g*:%{!g0:--gdwarf2}}" ASM_MAP
# endif
# endif
#endif
#ifdef TARGET_LIBC_PROVIDES_SSP
#define LINK_SSP_SPEC "%{fstack-protector:}"
#else
-#define LINK_SSP_SPEC "%{fstack-protector:-lssp_nonshared -lssp }"
+#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all:-lssp_nonshared -lssp}"
#endif
#endif
#endif
#endif
+#ifndef LINK_BUILDID_SPEC
+# if defined(HAVE_LD_BUILDID) && defined(ENABLE_LD_BUILDID)
+# define LINK_BUILDID_SPEC "%{!r:--build-id} "
+# endif
+#endif
+
+
/* -u* was put back because both BSD and SysV seem to support it. */
/* %{static:} simply prevents an error message if the target machine
doesn't handle -static. */
%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
%(linker) %l " LINK_PIE_SPEC "%X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}\
%{s} %{t} %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\
- %{static:} %{L*} %(mfwrap) %(link_libgcc) %o %(mflib)\
- %{fprofile-arcs|fprofile-generate|coverage:-lgcov}\
- %{!nostdlib:%{!nodefaultlibs:%(link_ssp)%(link_gcc_c_sequence)}}\
+ %{static:} %{L*} %(mfwrap) %(link_libgcc) %o\
+ %{fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)} %(mflib)\
+ %{fprofile-arcs|fprofile-generate*|coverage:-lgcov}\
+ %{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}}\
%{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}}"
#endif
static const char *lib_spec = LIB_SPEC;
static const char *mfwrap_spec = MFWRAP_SPEC;
static const char *mflib_spec = MFLIB_SPEC;
+static const char *link_gomp_spec = "";
static const char *libgcc_spec = LIBGCC_SPEC;
static const char *endfile_spec = ENDFILE_SPEC;
static const char *startfile_spec = STARTFILE_SPEC;
%{MD:-MD %{!o:%b.d}%{o*:%.d%*}}\
%{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}}\
%{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*}\
- %{!E:%{!M:%{!MM:%{MD|MMD:%{o*:-MQ %*}}}}}\
- %{remap} %{g3:-dD} %{H} %C %{D*&U*&A*} %{i*} %Z %i\
+ %{!E:%{!M:%{!MM:%{!MT:%{!MQ:%{MD|MMD:%{o*:-MQ %*}}}}}}}\
+ %{remap} %{g3|ggdb3|gstabs3|gcoff3|gxcoff3|gvms3:-dD}\
+ %{H} %C %{D*&U*&A*} %{i*} %Z %i\
%{fmudflap:-D_MUDFLAP -include mf-runtime.h}\
%{fmudflapth:-D_MUDFLAP -D_MUDFLAPTH -include mf-runtime.h}\
%{E|M|MM:%W{o*}}";
in turn cause preprocessor symbols to be defined specially. */
static const char *cpp_options =
"%(cpp_unique_options) %1 %{m*} %{std*&ansi&trigraphs} %{W*&pedantic*} %{w}\
- %{f*} %{g*:%{!g0:%{!fno-working-directory:-fworking-directory}}} %{O*}\
- %{undef} %{save-temps:-fpch-preprocess}";
+ %{f*} %{g*:%{!g0:%{g*} %{!fno-working-directory:-fworking-directory}}} %{O*}\
+ %{undef} %{save-temps*:-fpch-preprocess}";
/* This contains cpp options which are not passed when the preprocessor
output will be used by another program. */
static const char *cpp_debug_options = "%{d*}";
-/* NB: This is shared amongst all front-ends. */
+/* NB: This is shared amongst all front-ends, except for Ada. */
static const char *cc1_options =
"%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
%1 %{!Q:-quiet} -dumpbase %B %{d*} %{m*} %{a*}\
- %{c|S:%{o*:-auxbase-strip %*}%{!o*:-auxbase %b}}%{!c:%{!S:-auxbase %b}}\
+ %{fcompare-debug-second:%:compare-debug-auxbase-opt(%b)} \
+ %{!fcompare-debug-second:%{c|S:%{o*:-auxbase-strip %*}%{!o*:-auxbase %b}}}%{!c:%{!S:-auxbase %b}} \
%{g*} %{O*} %{W*&pedantic*} %{w} %{std*&ansi&trigraphs}\
%{v:-version} %{pg:-p} %{p} %{f*} %{undef}\
%{Qn:-fno-ident} %{--help:--help}\
%{--target-help:--target-help}\
+ %{--help=*:--help=%(VALUE)}\
%{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\
%{fsyntax-only:-o %j} %{-param*}\
%{fmudflap|fmudflapth:-fno-builtin -fno-merge-constants}\
%{coverage:-fprofile-arcs -ftest-coverage}";
static const char *asm_options =
+"%{--target-help:%:print-asm-header()} "
+#if HAVE_GNU_AS
+/* If GNU AS is used, then convert -w (no warnings), -I, and -v
+ to the assembler equivalents. */
+"%{v} %{w:-W} %{I*} "
+#endif
"%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}";
static const char *invoke_as =
#ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT
-"%{!S:-o %|.s |\n as %(asm_options) %|.s %A }";
+"%{fcompare-debug=*:%:compare-debug-dump-opt()}\
+ %{!S:-o %|.s |\n as %(asm_options) %|.s %A }";
#else
-"%{!S:-o %|.s |\n as %(asm_options) %m.s %A }";
+"%{fcompare-debug=*:%:compare-debug-dump-opt()}\
+ %{!S:-o %|.s |\n as %(asm_options) %m.s %A }";
#endif
/* Some compilers have limits on line lengths, and the multilib_select
#define DRIVER_SELF_SPECS ""
#endif
-static const char *const driver_self_specs[] = { DRIVER_SELF_SPECS };
+/* Adding -fopenmp should imply pthreads. This is particularly important
+ for targets that use different start files and suchlike. */
+#ifndef GOMP_SELF_SPECS
+#define GOMP_SELF_SPECS "%{fopenmp|ftree-parallelize-loops=*: -pthread}"
+#endif
+
+static const char *const driver_self_specs[] = {
+ DRIVER_SELF_SPECS, GOMP_SELF_SPECS
+};
#ifndef OPTION_DEFAULT_SPECS
#define OPTION_DEFAULT_SPECS { "", "" }
{".m", "#Objective-C", 0, 0, 0}, {".mi", "#Objective-C", 0, 0, 0},
{".mm", "#Objective-C++", 0, 0, 0}, {".M", "#Objective-C++", 0, 0, 0},
{".mii", "#Objective-C++", 0, 0, 0},
- {".cc", "#C++", 0, 0, 0}, {".cxx", "#C++", 0, 0, 0},
- {".cpp", "#C++", 0, 0, 0}, {".cp", "#C++", 0, 0, 0},
+ {".cc", "#C++", 0, 0, 0}, {".cxx", "#C++", 0, 0, 0},
+ {".cpp", "#C++", 0, 0, 0}, {".cp", "#C++", 0, 0, 0},
{".c++", "#C++", 0, 0, 0}, {".C", "#C++", 0, 0, 0},
{".CPP", "#C++", 0, 0, 0}, {".ii", "#C++", 0, 0, 0},
{".ads", "#Ada", 0, 0, 0}, {".adb", "#Ada", 0, 0, 0},
- {".f", "#Fortran", 0, 0, 0}, {".for", "#Fortran", 0, 0, 0},
- {".F", "#Fortran", 0, 0, 0}, {".FOR", "#Fortran", 0, 0, 0},
- {".FPP", "#Fortran", 0, 0, 0},
- {".f90", "#Fortran 95", 0, 0, 0}, {".f95", "#Fortran 95", 0, 0, 0},
- {".fpp", "#Fortran", 0, 0, 0}, {".F", "#Fortran", 0, 0, 0},
- {".FOR", "#Fortran", 0, 0, 0}, {".FPP", "#Fortran", 0, 0, 0},
+ {".f", "#Fortran", 0, 0, 0}, {".F", "#Fortran", 0, 0, 0},
+ {".for", "#Fortran", 0, 0, 0}, {".FOR", "#Fortran", 0, 0, 0},
+ {".ftn", "#Fortran", 0, 0, 0}, {".FTN", "#Fortran", 0, 0, 0},
+ {".fpp", "#Fortran", 0, 0, 0}, {".FPP", "#Fortran", 0, 0, 0},
+ {".f90", "#Fortran", 0, 0, 0}, {".F90", "#Fortran", 0, 0, 0},
+ {".f95", "#Fortran", 0, 0, 0}, {".F95", "#Fortran", 0, 0, 0},
+ {".f03", "#Fortran", 0, 0, 0}, {".F03", "#Fortran", 0, 0, 0},
+ {".f08", "#Fortran", 0, 0, 0}, {".F08", "#Fortran", 0, 0, 0},
{".r", "#Ratfor", 0, 0, 0},
{".p", "#Pascal", 0, 0, 0}, {".pas", "#Pascal", 0, 0, 0},
{".java", "#Java", 0, 0, 0}, {".class", "#Java", 0, 0, 0},
%{traditional|ftraditional:\
%eGNU C no longer supports -traditional without -E}\
%{!combine:\
- %{save-temps|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \
- %(cpp_options) -o %{save-temps:%b.i} %{!save-temps:%g.i} \n\
- cc1 -fpreprocessed %{save-temps:%b.i} %{!save-temps:%g.i} \
+ %{save-temps*|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \
+ %(cpp_options) -o %{save-temps*:%b.i} %{!save-temps*:%g.i} \n\
+ cc1 -fpreprocessed %{save-temps*:%b.i} %{!save-temps*:%g.i} \
%(cc1_options)}\
- %{!save-temps:%{!traditional-cpp:%{!no-integrated-cpp:\
+ %{!save-temps*:%{!traditional-cpp:%{!no-integrated-cpp:\
cc1 %(cpp_unique_options) %(cc1_options)}}}\
%{!fsyntax-only:%(invoke_as)}} \
%{combine:\
- %{save-temps|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \
- %(cpp_options) -o %{save-temps:%b.i} %{!save-temps:%g.i}}\
- %{!save-temps:%{!traditional-cpp:%{!no-integrated-cpp:\
+ %{save-temps*|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \
+ %(cpp_options) -o %{save-temps*:%b.i} %{!save-temps*:%g.i}}\
+ %{!save-temps*:%{!traditional-cpp:%{!no-integrated-cpp:\
cc1 %(cpp_unique_options) %(cc1_options)}}\
%{!fsyntax-only:%(invoke_as)}}}}}}", 0, 1, 1},
{"-",
external preprocessor if -save-temps is given. */
"%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\
%{!E:%{!M:%{!MM:\
- %{save-temps|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \
- %(cpp_options) -o %{save-temps:%b.i} %{!save-temps:%g.i} \n\
- cc1 -fpreprocessed %{save-temps:%b.i} %{!save-temps:%g.i} \
+ %{save-temps*|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \
+ %(cpp_options) -o %{save-temps*:%b.i} %{!save-temps*:%g.i} \n\
+ cc1 -fpreprocessed %{save-temps*:%b.i} %{!save-temps*:%g.i} \
%(cc1_options)\
-o %g.s %{!o*:--output-pch=%i.gch}\
%W{o*:--output-pch=%*}%V}\
- %{!save-temps:%{!traditional-cpp:%{!no-integrated-cpp:\
+ %{!save-temps*:%{!traditional-cpp:%{!no-integrated-cpp:\
cc1 %(cpp_unique_options) %(cc1_options)\
-o %g.s %{!o*:--output-pch=%i.gch}\
%W{o*:--output-pch=%*}%V}}}}}}", 0, 0, 0},
{".s", "@assembler", 0, 1, 0},
{"@assembler",
"%{!M:%{!MM:%{!E:%{!S:as %(asm_debug) %(asm_options) %i %A }}}}", 0, 1, 0},
+ {".sx", "@assembler-with-cpp", 0, 1, 0},
{".S", "@assembler-with-cpp", 0, 1, 0},
{"@assembler-with-cpp",
#ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT
- "%(trad_capable_cpp) -lang-asm %(cpp_options)\
+ "%(trad_capable_cpp) -lang-asm %(cpp_options) -fno-directives-only\
%{E|M|MM:%(cpp_debug_options)}\
%{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\
as %(asm_debug) %(asm_options) %|.s %A }}}}"
#else
- "%(trad_capable_cpp) -lang-asm %(cpp_options)\
+ "%(trad_capable_cpp) -lang-asm %(cpp_options) -fno-directives-only\
%{E|M|MM:%(cpp_debug_options)}\
%{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\
as %(asm_debug) %(asm_options) %m.s %A }}}}"
{"--print-multi-directory", "-print-multi-directory", 0},
{"--print-multi-os-directory", "-print-multi-os-directory", 0},
{"--print-prog-name", "-print-prog-name=", "aj"},
+ {"--print-sysroot", "-print-sysroot", 0},
+ {"--print-sysroot-headers-suffix", "-print-sysroot-headers-suffix", 0},
{"--profile", "-p", 0},
{"--profile-blocks", "-a", 0},
{"--quiet", "-q", 0},
{"--static", "-static", 0},
{"--std", "-std=", "aj"},
{"--symbolic", "-symbolic", 0},
- {"--sysroot", "--sysroot=", "aj"},
+ {"--sysroot", "--sysroot=", "aj"},
{"--time", "-time", 0},
{"--trace-includes", "-H", 0},
{"--traditional", "-traditional", 0},
/* Translate the options described by *ARGCP and *ARGVP.
Make a new vector and store it back in *ARGVP,
- and store its length in *ARGVC. */
+ and store its length in *ARGCP. */
static void
translate_options (int *argcp, const char *const **argvp)
int argc = *argcp;
const char *const *argv = *argvp;
int newvsize = (argc + 2) * 2 * sizeof (const char *);
- const char **newv = xmalloc (newvsize);
+ const char **newv = XNEWVAR (const char *, newvsize);
int newindex = 0;
i = 0;
}
newvsize += spaces * sizeof (const char *);
- newv = xrealloc (newv, newvsize);
+ newv = XRESIZEVAR (const char *, newv, newvsize);
sp = target_option_translations[tott_idx].replacements;
np = xstrdup (sp);
#ifndef STANDARD_STARTFILE_PREFIX_2
#define STANDARD_STARTFILE_PREFIX_2 "/usr/lib/"
#endif
-
-#ifdef CROSS_COMPILE /* Don't use these prefixes for a cross compiler. */
+
+#ifdef CROSS_DIRECTORY_STRUCTURE /* Don't use these prefixes for a cross compiler. */
#undef MD_EXEC_PREFIX
#undef MD_STARTFILE_PREFIX
#undef MD_STARTFILE_PREFIX_1
#define MD_STARTFILE_PREFIX_1 ""
#endif
+/* These directories are locations set at configure-time based on the
+ --prefix option provided to configure. Their initializers are
+ defined in Makefile.in. These paths are not *directly* used when
+ gcc_exec_prefix is set because, in that case, we know where the
+ compiler has been installed, and use paths relative to that
+ location instead. */
static const char *const standard_exec_prefix = STANDARD_EXEC_PREFIX;
+static const char *const standard_libexec_prefix = STANDARD_LIBEXEC_PREFIX;
+static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX;
+static const char *const standard_startfile_prefix = STANDARD_STARTFILE_PREFIX;
+
+/* For native compilers, these are well-known paths containing
+ components that may be provided by the system. For cross
+ compilers, these paths are not used. */
static const char *const standard_exec_prefix_1 = "/usr/libexec/gcc/";
static const char *const standard_exec_prefix_2 = "/usr/lib/gcc/";
static const char *md_exec_prefix = MD_EXEC_PREFIX;
-
static const char *md_startfile_prefix = MD_STARTFILE_PREFIX;
static const char *md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1;
-static const char *const standard_startfile_prefix = STANDARD_STARTFILE_PREFIX;
static const char *const standard_startfile_prefix_1
= STANDARD_STARTFILE_PREFIX_1;
static const char *const standard_startfile_prefix_2
= STANDARD_STARTFILE_PREFIX_2;
+/* A relative path to be used in finding the location of tools
+ relative to the driver. */
static const char *const tooldir_base_prefix = TOOLDIR_BASE_PREFIX;
-static const char *tooldir_prefix;
-
-static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX;
-
-static const char *standard_libexec_prefix = STANDARD_LIBEXEC_PREFIX;
/* Subdirectory to use for locating libraries. Set by
set_multilib_dir based on the compilation options. */
INIT_STATIC_SPEC ("lib", &lib_spec),
INIT_STATIC_SPEC ("mfwrap", &mfwrap_spec),
INIT_STATIC_SPEC ("mflib", &mflib_spec),
+ INIT_STATIC_SPEC ("link_gomp", &link_gomp_spec),
INIT_STATIC_SPEC ("libgcc", &libgcc_spec),
INIT_STATIC_SPEC ("startfile", &startfile_spec),
INIT_STATIC_SPEC ("switches_need_spaces", &switches_need_spaces),
static const struct spec_function static_spec_functions[] =
{
+ { "getenv", getenv_spec_function },
{ "if-exists", if_exists_spec_function },
{ "if-exists-else", if_exists_else_spec_function },
{ "replace-outfile", replace_outfile_spec_function },
{ "version-compare", version_compare_spec_function },
+ { "include", include_spec_function },
+ { "print-asm-header", print_asm_header_spec_function },
+ { "compare-debug-dump-opt", compare_debug_dump_opt_spec_function },
+ { "compare-debug-self-opt", compare_debug_self_opt_spec_function },
+ { "compare-debug-auxbase-opt", compare_debug_auxbase_opt_spec_function },
+#ifdef EXTRA_SPEC_FUNCTIONS
+ EXTRA_SPEC_FUNCTIONS
+#endif
{ 0, 0 }
};
{
char *buf;
- buf = concat ("%{static|static-libgcc:", static_name, " ", eh_name,
- "}%{!static:%{!static-libgcc:",
+ buf = concat ("%{static|static-libgcc:", static_name, " ", eh_name, "}"
+ "%{!static:%{!static-libgcc:"
#if USE_LD_AS_NEEDED
- "%{!shared-libgcc:", static_name,
- " --as-needed ", shared_name, " --no-as-needed}"
- "%{shared-libgcc:", shared_name, "%{!shared: ", static_name,
- "}",
+ "%{!shared-libgcc:",
+ static_name, " --as-needed ", shared_name, " --no-as-needed"
+ "}"
+ "%{shared-libgcc:",
+ shared_name, "%{!shared: ", static_name, "}"
+ "}"
#else
- "%{!shared:%{!shared-libgcc:", static_name, " ",
- eh_name, "}%{shared-libgcc:", shared_name, " ",
- static_name, "}}%{shared:",
+ "%{!shared:"
+ "%{!shared-libgcc:", static_name, " ", eh_name, "}"
+ "%{shared-libgcc:", shared_name, " ", static_name, "}"
+ "}"
#ifdef LINK_EH_SPEC
- "%{shared-libgcc:", shared_name,
- "}%{!shared-libgcc:", static_name, "}",
+ "%{shared:"
+ "%{shared-libgcc:", shared_name, "}"
+ "%{!shared-libgcc:", static_name, "}"
+ "}"
#else
- shared_name,
+ "%{shared:", shared_name, "}"
#endif
#endif
- "}}}", NULL);
+ "}}", NULL);
obstack_grow (obstack, buf, strlen (buf));
free (buf);
notice ("Using built-in specs.\n");
#ifdef EXTRA_SPECS
- extra_specs = xcalloc (sizeof (struct spec_list),
- ARRAY_SIZE (extra_specs_1));
+ extra_specs = XCNEWVEC (struct spec_list, ARRAY_SIZE (extra_specs_1));
for (i = ARRAY_SIZE (extra_specs_1) - 1; i >= 0; i--)
{
}
#endif
- /* Initialize here, not in definition. The IRIX 6 O32 cc sometimes chokes
- on ?: in file-scope variable initializations. */
- asm_debug = ASM_DEBUG_SPEC;
-
for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--)
{
sl = &static_specs[i];
asm_spec = XOBFINISH (&obstack, const char *);
}
#endif
-#ifdef LINK_EH_SPEC
+
+#if defined LINK_EH_SPEC || defined LINK_BUILDID_SPEC
+# ifdef LINK_BUILDID_SPEC
+ /* Prepend LINK_BUILDID_SPEC to whatever link_spec we had before. */
+ obstack_grow (&obstack, LINK_BUILDID_SPEC, sizeof(LINK_BUILDID_SPEC) - 1);
+# endif
+# ifdef LINK_EH_SPEC
/* Prepend LINK_EH_SPEC to whatever link_spec we had before. */
obstack_grow (&obstack, LINK_EH_SPEC, sizeof(LINK_EH_SPEC) - 1);
+# endif
obstack_grow0 (&obstack, link_spec, strlen (link_spec));
link_spec = XOBFINISH (&obstack, const char *);
#endif
if (!sl)
{
/* Not found - make it. */
- sl = xmalloc (sizeof (struct spec_list));
+ sl = XNEW (struct spec_list);
sl->name = xstrdup (name);
sl->name_len = name_len;
sl->ptr_spec = &sl->ptr;
/* Free the old spec. */
if (old_spec && sl->alloc_p)
- free ((void *) old_spec);
+ free (CONST_CAST(char *, old_spec));
sl->alloc_p = 1;
}
static int have_o_argbuf_index = 0;
+/* Were the options -c or -S passed. */
+static int have_c = 0;
+
+/* Was the option -o passed. */
+static int have_o = 0;
+
/* This is the list of suffixes and codes (%g/%u/%U/%j) and the associated
temp file. If the HOST_BIT_BUCKET is used for %j, no entry is made for
it here. */
alloc_args (void)
{
argbuf_length = 10;
- argbuf = xmalloc (argbuf_length * sizeof (const char *));
+ argbuf = XNEWVEC (const char *, argbuf_length);
}
/* Clear out the vector of arguments (after a command is executed). */
store_arg (const char *arg, int delete_always, int delete_failure)
{
if (argbuf_index + 1 == argbuf_length)
- argbuf = xrealloc (argbuf, (argbuf_length *= 2) * sizeof (const char *));
+ argbuf = XRESIZEVEC (const char *, argbuf, (argbuf_length *= 2));
argbuf[argbuf_index++] = arg;
argbuf[argbuf_index] = 0;
pfatal_with_name (filename);
/* Read contents of file into BUFFER. */
- buffer = xmalloc ((unsigned) statbuf.st_size + 1);
+ buffer = XNEWVEC (char, statbuf.st_size + 1);
readlen = read (desc, buffer, (unsigned) statbuf.st_size);
if (readlen < 0)
pfatal_with_name (filename);
buffer[readlen] = 0;
close (desc);
- specs = xmalloc (readlen + 1);
+ specs = XNEWVEC (char, readlen + 1);
specs_p = specs;
for (buffer_p = buffer; buffer_p && *buffer_p; buffer_p++)
{
(long) (p1 - buffer + 1));
p[-2] = '\0';
- new_filename = find_a_file (&startfile_prefixes, p1, R_OK, 0);
+ new_filename = find_a_file (&startfile_prefixes, p1, R_OK, true);
read_specs (new_filename ? new_filename : p1, FALSE);
continue;
}
(long) (p1 - buffer + 1));
p[-2] = '\0';
- new_filename = find_a_file (&startfile_prefixes, p1, R_OK, 0);
+ new_filename = find_a_file (&startfile_prefixes, p1, R_OK, true);
if (new_filename)
read_specs (new_filename, FALSE);
else if (verbose_flag)
set_spec (p2, *(sl->ptr_spec));
if (sl->alloc_p)
- free ((void *) *(sl->ptr_spec));
+ free (CONST_CAST (char *, *(sl->ptr_spec)));
*(sl->ptr_spec) = "";
sl->alloc_p = 0;
{
/* Add this pair to the vector. */
compilers
- = xrealloc (compilers,
- (n_compilers + 2) * sizeof (struct compiler));
+ = XRESIZEVEC (struct compiler, compilers, n_compilers + 2);
compilers[n_compilers].suffix = suffix;
compilers[n_compilers].spec = spec;
if (! strcmp (name, temp->name))
goto already1;
- temp = xmalloc (sizeof (struct temp_file));
+ temp = XNEW (struct temp_file);
temp->next = always_delete_queue;
temp->name = name;
always_delete_queue = temp;
if (! strcmp (name, temp->name))
goto already2;
- temp = xmalloc (sizeof (struct temp_file));
+ temp = XNEW (struct temp_file);
temp->next = failure_delete_queue;
temp->name = name;
failure_delete_queue = temp;
failure_delete_queue = 0;
}
\f
-/* Build a list of search directories from PATHS.
- PREFIX is a string to prepend to the list.
- If CHECK_DIR_P is nonzero we ensure the directory exists.
- This is used mostly by putenv_from_prefixes so we use `collect_obstack'.
- It is also used by the --print-search-dirs flag. */
-
-static char *
-build_search_list (struct path_prefix *paths, const char *prefix,
- int check_dir_p)
+/* Call CALLBACK for each path in PATHS, breaking out early if CALLBACK
+ returns non-NULL.
+ If DO_MULTI is true iterate over the paths twice, first with multilib
+ suffix then without, otherwise iterate over the paths once without
+ adding a multilib suffix. When DO_MULTI is true, some attempt is made
+ to avoid visiting the same path twice, but we could do better. For
+ instance, /usr/lib/../lib is considered different from /usr/lib.
+ At least EXTRA_SPACE chars past the end of the path passed to
+ CALLBACK are available for use by the callback.
+ CALLBACK_INFO allows extra parameters to be passed to CALLBACK.
+
+ Returns the value returned by CALLBACK. */
+
+static void *
+for_each_path (const struct path_prefix *paths,
+ bool do_multi,
+ size_t extra_space,
+ void *(*callback) (char *, void *),
+ void *callback_info)
{
- int suffix_len = (machine_suffix) ? strlen (machine_suffix) : 0;
- int just_suffix_len
- = (just_machine_suffix) ? strlen (just_machine_suffix) : 0;
- int first_time = TRUE;
- struct prefix_list *pprefix;
-
- obstack_grow (&collect_obstack, prefix, strlen (prefix));
- obstack_1grow (&collect_obstack, '=');
-
- for (pprefix = paths->plist; pprefix != 0; pprefix = pprefix->next)
+ struct prefix_list *pl;
+ const char *multi_dir = NULL;
+ const char *multi_os_dir = NULL;
+ const char *multi_suffix;
+ const char *just_multi_suffix;
+ char *path = NULL;
+ void *ret = NULL;
+ bool skip_multi_dir = false;
+ bool skip_multi_os_dir = false;
+
+ multi_suffix = machine_suffix;
+ just_multi_suffix = just_machine_suffix;
+ if (do_multi && multilib_dir && strcmp (multilib_dir, ".") != 0)
{
- int len = strlen (pprefix->prefix);
+ multi_dir = concat (multilib_dir, dir_separator_str, NULL);
+ multi_suffix = concat (multi_suffix, multi_dir, NULL);
+ just_multi_suffix = concat (just_multi_suffix, multi_dir, NULL);
+ }
+ if (do_multi && multilib_os_dir && strcmp (multilib_os_dir, ".") != 0)
+ multi_os_dir = concat (multilib_os_dir, dir_separator_str, NULL);
- if (machine_suffix
- && (! check_dir_p
- || is_directory (pprefix->prefix, machine_suffix, 0)))
+ while (1)
+ {
+ size_t multi_dir_len = 0;
+ size_t multi_os_dir_len = 0;
+ size_t suffix_len;
+ size_t just_suffix_len;
+ size_t len;
+
+ if (multi_dir)
+ multi_dir_len = strlen (multi_dir);
+ if (multi_os_dir)
+ multi_os_dir_len = strlen (multi_os_dir);
+ suffix_len = strlen (multi_suffix);
+ just_suffix_len = strlen (just_multi_suffix);
+
+ if (path == NULL)
{
- if (!first_time)
- obstack_1grow (&collect_obstack, PATH_SEPARATOR);
-
- first_time = FALSE;
- obstack_grow (&collect_obstack, pprefix->prefix, len);
- obstack_grow (&collect_obstack, machine_suffix, suffix_len);
+ len = paths->max_len + extra_space + 1;
+ if (suffix_len > multi_os_dir_len)
+ len += suffix_len;
+ else
+ len += multi_os_dir_len;
+ path = XNEWVEC (char, len);
}
- if (just_machine_suffix
- && pprefix->require_machine_suffix == 2
- && (! check_dir_p
- || is_directory (pprefix->prefix, just_machine_suffix, 0)))
+ for (pl = paths->plist; pl != 0; pl = pl->next)
{
- if (! first_time)
- obstack_1grow (&collect_obstack, PATH_SEPARATOR);
+ len = strlen (pl->prefix);
+ memcpy (path, pl->prefix, len);
+
+ /* Look first in MACHINE/VERSION subdirectory. */
+ if (!skip_multi_dir)
+ {
+ memcpy (path + len, multi_suffix, suffix_len + 1);
+ ret = callback (path, callback_info);
+ if (ret)
+ break;
+ }
+
+ /* Some paths are tried with just the machine (ie. target)
+ subdir. This is used for finding as, ld, etc. */
+ if (!skip_multi_dir
+ && pl->require_machine_suffix == 2)
+ {
+ memcpy (path + len, just_multi_suffix, just_suffix_len + 1);
+ ret = callback (path, callback_info);
+ if (ret)
+ break;
+ }
+
+ /* Now try the base path. */
+ if (!pl->require_machine_suffix
+ && !(pl->os_multilib ? skip_multi_os_dir : skip_multi_dir))
+ {
+ const char *this_multi;
+ size_t this_multi_len;
+
+ if (pl->os_multilib)
+ {
+ this_multi = multi_os_dir;
+ this_multi_len = multi_os_dir_len;
+ }
+ else
+ {
+ this_multi = multi_dir;
+ this_multi_len = multi_dir_len;
+ }
+
+ if (this_multi_len)
+ memcpy (path + len, this_multi, this_multi_len + 1);
+ else
+ path[len] = '\0';
- first_time = FALSE;
- obstack_grow (&collect_obstack, pprefix->prefix, len);
- obstack_grow (&collect_obstack, just_machine_suffix,
- just_suffix_len);
+ ret = callback (path, callback_info);
+ if (ret)
+ break;
+ }
}
+ if (pl)
+ break;
- if (! pprefix->require_machine_suffix)
- {
- if (! first_time)
- obstack_1grow (&collect_obstack, PATH_SEPARATOR);
+ if (multi_dir == NULL && multi_os_dir == NULL)
+ break;
- first_time = FALSE;
- obstack_grow (&collect_obstack, pprefix->prefix, len);
+ /* Run through the paths again, this time without multilibs.
+ Don't repeat any we have already seen. */
+ if (multi_dir)
+ {
+ free (CONST_CAST (char *, multi_dir));
+ multi_dir = NULL;
+ free (CONST_CAST (char *, multi_suffix));
+ multi_suffix = machine_suffix;
+ free (CONST_CAST (char *, just_multi_suffix));
+ just_multi_suffix = just_machine_suffix;
+ }
+ else
+ skip_multi_dir = true;
+ if (multi_os_dir)
+ {
+ free (CONST_CAST (char *, multi_os_dir));
+ multi_os_dir = NULL;
}
+ else
+ skip_multi_os_dir = true;
+ }
+
+ if (multi_dir)
+ {
+ free (CONST_CAST (char *, multi_dir));
+ free (CONST_CAST (char *, multi_suffix));
+ free (CONST_CAST (char *, just_multi_suffix));
}
+ if (multi_os_dir)
+ free (CONST_CAST (char *, multi_os_dir));
+ if (ret != path)
+ free (path);
+ return ret;
+}
+
+/* Callback for build_search_list. Adds path to obstack being built. */
+
+struct add_to_obstack_info {
+ struct obstack *ob;
+ bool check_dir;
+ bool first_time;
+};
+
+static void *
+add_to_obstack (char *path, void *data)
+{
+ struct add_to_obstack_info *info = (struct add_to_obstack_info *) data;
+
+ if (info->check_dir && !is_directory (path, false))
+ return NULL;
+
+ if (!info->first_time)
+ obstack_1grow (info->ob, PATH_SEPARATOR);
+
+ obstack_grow (info->ob, path, strlen (path));
+
+ info->first_time = false;
+ return NULL;
+}
+
+/* Add or change the value of an environment variable, outputting the
+ change to standard error if in verbose mode. */
+static void
+xputenv (const char *string)
+{
+ if (verbose_flag)
+ notice ("%s\n", string);
+ putenv (CONST_CAST (char *, string));
+}
+
+/* Build a list of search directories from PATHS.
+ PREFIX is a string to prepend to the list.
+ If CHECK_DIR_P is true we ensure the directory exists.
+ If DO_MULTI is true, multilib paths are output first, then
+ non-multilib paths.
+ This is used mostly by putenv_from_prefixes so we use `collect_obstack'.
+ It is also used by the --print-search-dirs flag. */
+
+static char *
+build_search_list (const struct path_prefix *paths, const char *prefix,
+ bool check_dir, bool do_multi)
+{
+ struct add_to_obstack_info info;
+
+ info.ob = &collect_obstack;
+ info.check_dir = check_dir;
+ info.first_time = true;
+
+ obstack_grow (&collect_obstack, prefix, strlen (prefix));
+ obstack_1grow (&collect_obstack, '=');
+
+ for_each_path (paths, do_multi, 0, add_to_obstack, &info);
obstack_1grow (&collect_obstack, '\0');
return XOBFINISH (&collect_obstack, char *);
for collect. */
static void
-putenv_from_prefixes (struct path_prefix *paths, const char *env_var)
+putenv_from_prefixes (const struct path_prefix *paths, const char *env_var,
+ bool do_multi)
{
- putenv (build_search_list (paths, env_var, 1));
+ xputenv (build_search_list (paths, env_var, true, do_multi));
}
\f
/* Check whether NAME can be accessed in MODE. This is like access,
return access (name, mode);
}
+/* Callback for find_a_file. Appends the file name to the directory
+ path. If the resulting file exists in the right mode, return the
+ full pathname to the file. */
+
+struct file_at_path_info {
+ const char *name;
+ const char *suffix;
+ int name_len;
+ int suffix_len;
+ int mode;
+};
+
+static void *
+file_at_path (char *path, void *data)
+{
+ struct file_at_path_info *info = (struct file_at_path_info *) data;
+ size_t len = strlen (path);
+
+ memcpy (path + len, info->name, info->name_len);
+ len += info->name_len;
+
+ /* Some systems have a suffix for executable files.
+ So try appending that first. */
+ if (info->suffix_len)
+ {
+ memcpy (path + len, info->suffix, info->suffix_len + 1);
+ if (access_check (path, info->mode) == 0)
+ return path;
+ }
+
+ path[len] = '\0';
+ if (access_check (path, info->mode) == 0)
+ return path;
+
+ return NULL;
+}
+
/* Search for NAME using the prefix list PREFIXES. MODE is passed to
- access to check permissions.
+ access to check permissions. If DO_MULTI is true, search multilib
+ paths then non-multilib paths, otherwise do not search multilib paths.
Return 0 if not found, otherwise return its name, allocated with malloc. */
static char *
-find_a_file (struct path_prefix *pprefix, const char *name, int mode,
- int multilib)
+find_a_file (const struct path_prefix *pprefix, const char *name, int mode,
+ bool do_multi)
{
- char *temp;
- const char *const file_suffix =
- ((mode & X_OK) != 0 ? HOST_EXECUTABLE_SUFFIX : "");
- struct prefix_list *pl;
- int len = pprefix->max_len + strlen (name) + strlen (file_suffix) + 1;
- const char *multilib_name, *multilib_os_name;
+ struct file_at_path_info info;
#ifdef DEFAULT_ASSEMBLER
if (! strcmp (name, "as") && access (DEFAULT_ASSEMBLER, mode) == 0)
return xstrdup (DEFAULT_LINKER);
#endif
- if (machine_suffix)
- len += strlen (machine_suffix);
-
- multilib_name = name;
- multilib_os_name = name;
- if (multilib && multilib_os_dir)
- {
- int len1 = multilib_dir ? strlen (multilib_dir) + 1 : 0;
- int len2 = strlen (multilib_os_dir) + 1;
-
- len += len1 > len2 ? len1 : len2;
- if (multilib_dir)
- multilib_name = ACONCAT ((multilib_dir, dir_separator_str, name,
- NULL));
- if (strcmp (multilib_os_dir, ".") != 0)
- multilib_os_name = ACONCAT ((multilib_os_dir, dir_separator_str, name,
- NULL));
- }
-
- temp = xmalloc (len);
-
/* Determine the filename to execute (special case for absolute paths). */
if (IS_ABSOLUTE_PATH (name))
{
if (access (name, mode) == 0)
- {
- strcpy (temp, name);
- return temp;
- }
- }
- else
- for (pl = pprefix->plist; pl; pl = pl->next)
- {
- const char *this_name
- = pl->os_multilib ? multilib_os_name : multilib_name;
-
- if (machine_suffix)
- {
- /* Some systems have a suffix for executable files.
- So try appending that first. */
- if (file_suffix[0] != 0)
- {
- strcpy (temp, pl->prefix);
- strcat (temp, machine_suffix);
- strcat (temp, multilib_name);
- strcat (temp, file_suffix);
- if (access_check (temp, mode) == 0)
- return temp;
- }
-
- /* Now try just the multilib_name. */
- strcpy (temp, pl->prefix);
- strcat (temp, machine_suffix);
- strcat (temp, multilib_name);
- if (access_check (temp, mode) == 0)
- return temp;
- }
+ return xstrdup (name);
- /* Certain prefixes are tried with just the machine type,
- not the version. This is used for finding as, ld, etc. */
- if (just_machine_suffix && pl->require_machine_suffix == 2)
- {
- /* Some systems have a suffix for executable files.
- So try appending that first. */
- if (file_suffix[0] != 0)
- {
- strcpy (temp, pl->prefix);
- strcat (temp, just_machine_suffix);
- strcat (temp, multilib_name);
- strcat (temp, file_suffix);
- if (access_check (temp, mode) == 0)
- return temp;
- }
-
- strcpy (temp, pl->prefix);
- strcat (temp, just_machine_suffix);
- strcat (temp, multilib_name);
- if (access_check (temp, mode) == 0)
- return temp;
- }
-
- /* Certain prefixes can't be used without the machine suffix
- when the machine or version is explicitly specified. */
- if (! pl->require_machine_suffix)
- {
- /* Some systems have a suffix for executable files.
- So try appending that first. */
- if (file_suffix[0] != 0)
- {
- strcpy (temp, pl->prefix);
- strcat (temp, this_name);
- strcat (temp, file_suffix);
- if (access_check (temp, mode) == 0)
- return temp;
- }
+ return NULL;
+ }
- strcpy (temp, pl->prefix);
- strcat (temp, this_name);
- if (access_check (temp, mode) == 0)
- return temp;
- }
- }
+ info.name = name;
+ info.suffix = (mode & X_OK) != 0 ? HOST_EXECUTABLE_SUFFIX : "";
+ info.name_len = strlen (info.name);
+ info.suffix_len = strlen (info.suffix);
+ info.mode = mode;
- free (temp);
- return 0;
+ return (char*) for_each_path (pprefix, do_multi,
+ info.name_len + info.suffix_len,
+ file_at_path, &info);
}
/* Ranking of prefixes in the sort list. -B prefixes are put before
if (len > pprefix->max_len)
pprefix->max_len = len;
- pl = xmalloc (sizeof (struct prefix_list));
+ pl = XNEW (struct prefix_list);
pl->prefix = prefix;
pl->require_machine_suffix = require_machine_suffix;
pl->priority = priority;
}
/* Same as add_prefix, but prepending target_system_root to prefix. */
+/* The target_system_root prefix has been relocated by gcc_exec_prefix. */
static void
add_sysrooted_prefix (struct path_prefix *pprefix, const char *prefix,
const char *component,
gcc_assert (!processing_spec_function);
+ if (wrapper_string)
+ {
+ string = find_a_file (&exec_prefixes, argbuf[0], X_OK, false);
+ argbuf[0] = (string) ? string : argbuf[0];
+ insert_wrapper (wrapper_string);
+ }
+
/* Count # of piped commands. */
for (n_commands = 1, i = 0; i < argbuf_index; i++)
if (strcmp (argbuf[i], "|") == 0)
n_commands++;
/* Get storage for each command. */
- commands = alloca (n_commands * sizeof (struct command));
+ commands = (struct command *) alloca (n_commands * sizeof (struct command));
/* Split argbuf into its separate piped processes,
and record info about each one.
commands[0].prog = argbuf[0]; /* first command. */
commands[0].argv = &argbuf[0];
- string = find_a_file (&exec_prefixes, commands[0].prog, X_OK, 0);
-
- if (string)
- commands[0].argv[0] = string;
+
+ if (!wrapper_string)
+ {
+ string = find_a_file (&exec_prefixes, commands[0].prog, X_OK, false);
+ commands[0].argv[0] = (string) ? string : commands[0].argv[0];
+ }
for (n_commands = 1, i = 0; i < argbuf_index; i++)
if (strcmp (argbuf[i], "|") == 0)
commands[n_commands].prog = argbuf[i + 1];
commands[n_commands].argv = &argbuf[i + 1];
string = find_a_file (&exec_prefixes, commands[n_commands].prog,
- X_OK, 0);
+ X_OK, false);
if (string)
commands[n_commands].argv[0] = string;
n_commands++;
for (argc = 0; commands[i].argv[argc] != NULL; argc++)
;
- argv = alloca ((argc + 3) * sizeof (char *));
+ argv = XALLOCAVEC (const char *, argc + 3);
argv[0] = VALGRIND_PATH;
argv[1] = "-q";
/* Run each piped subprocess. */
- pex = pex_init (PEX_USE_PIPES | (report_times ? PEX_RECORD_TIMES : 0),
+ pex = pex_init (PEX_USE_PIPES | ((report_times || report_times_to_file)
+ ? PEX_RECORD_TIMES : 0),
programname, temp_filename);
if (pex == NULL)
pfatal_with_name (_("pex_init failed"));
errmsg = pex_run (pex,
((i + 1 == n_commands ? PEX_LAST : 0)
| (string == commands[i].prog ? PEX_SEARCH : 0)),
- string, (char * const *) commands[i].argv,
+ string, CONST_CAST (char **, commands[i].argv),
NULL, NULL, &err);
if (errmsg != NULL)
{
}
if (string != commands[i].prog)
- free ((void *) string);
+ free (CONST_CAST (char *, string));
}
execution_count++;
struct pex_time *times = NULL;
int ret_code = 0;
- statuses = alloca (n_commands * sizeof (int));
+ statuses = (int *) alloca (n_commands * sizeof (int));
if (!pex_get_status (pex, n_commands, statuses))
pfatal_with_name (_("failed to get exit status"));
- if (report_times)
+ if (report_times || report_times_to_file)
{
- times = alloca (n_commands * sizeof (struct pex_time));
+ times = (struct pex_time *) alloca (n_commands * sizeof (struct pex_time));
if (!pex_get_times (pex, n_commands, times))
pfatal_with_name (_("failed to get process times"));
}
we would otherwise have succeeded. */
if (WTERMSIG (status) == SIGPIPE
&& (signal_count || greatest_status >= MIN_FATAL_STATUS))
- ;
+ {
+ signal_count++;
+ ret_code = -1;
+ }
else
#endif
- fatal ("\
+ fatal_ice ("\
Internal error: %s (program %s)\n\
Please submit a full bug report.\n\
See %s for instructions.",
- strsignal (WTERMSIG (status)), commands[i].prog,
- bug_report_url);
- signal_count++;
- ret_code = -1;
+ strsignal (WTERMSIG (status)), commands[i].prog,
+ bug_report_url);
}
else if (WIFEXITED (status)
&& WEXITSTATUS (status) >= MIN_FATAL_STATUS)
ret_code = -1;
}
- if (report_times)
+ if (report_times || report_times_to_file)
{
struct pex_time *pt = ×[i];
double ut, st;
+ (double) pt->system_microseconds / 1.0e6);
if (ut + st != 0)
- notice ("# %s %.2f %.2f\n", commands[i].prog, ut, st);
+ {
+ if (report_times)
+ notice ("# %s %.2f %.2f\n", commands[i].prog, ut, st);
+
+ if (report_times_to_file)
+ {
+ int c = 0;
+ const char *const *j;
+
+ fprintf (report_times_to_file, "%g %g", ut, st);
+
+ for (j = &commands[i].prog; *j; j = &commands[i].argv[++c])
+ {
+ const char *p;
+ for (p = *j; *p; ++p)
+ if (*p == '"' || *p == '\\' || *p == '$'
+ || ISSPACE (*p))
+ break;
+
+ if (*p)
+ {
+ fprintf (report_times_to_file, " \"");
+ for (p = *j; *p; ++p)
+ {
+ if (*p == '"' || *p == '\\' || *p == '$')
+ fputc ('\\', report_times_to_file);
+ fputc (*p, report_times_to_file);
+ }
+ fputc ('"', report_times_to_file);
+ }
+ else
+ fprintf (report_times_to_file, " %s", *j);
+ }
+
+ fputc ('\n', report_times_to_file);
+ }
+ }
}
}
If a switch uses following arguments, then the `part1' field
is the switch itself and the `args' field
is a null-terminated vector containing the following arguments.
- The `live_cond' field is:
- 0 when initialized
- 1 if the switch is true in a conditional spec,
- -1 if false (overridden by a later switch)
- -2 if this switch should be ignored (used in %<S)
+ Bits in the `live_cond' field are:
+ SWITCH_LIVE to indicate this switch is true in a conditional spec.
+ SWITCH_FALSE to indicate this switch is overridden by a later switch.
+ SWITCH_IGNORE to indicate this switch should be ignored (used in %<S).
The `validated' field is nonzero if any spec has looked at this switch;
if it remains zero at the end of the run, it must be meaningless. */
-#define SWITCH_OK 0
-#define SWITCH_FALSE -1
-#define SWITCH_IGNORE -2
-#define SWITCH_LIVE 1
+#define SWITCH_LIVE 0x1
+#define SWITCH_FALSE 0x2
+#define SWITCH_IGNORE 0x4
struct switchstr
{
const char *part1;
const char **args;
- int live_cond;
+ unsigned int live_cond;
unsigned char validated;
unsigned char ordering;
};
static int n_switches;
+/* Set to zero if -fcompare-debug is disabled, positive if it's
+ enabled and we're running the first compilation, negative if it's
+ enabled and we're running the second compilation. For most of the
+ time, it's in the range -1..1, but it can be temporarily set to 2
+ or 3 to indicate that the -fcompare-debug flags didn't come from
+ the command-line, but rather from the GCC_COMPARE_DEBUG environment
+ variable, until a synthesized -fcompare-debug flag is added to the
+ command line. */
+int compare_debug;
+
+/* Set to nonzero if we've seen the -fcompare-debug-second flag. */
+int compare_debug_second;
+
+/* Set to the flags that should be passed to the second compilation in
+ a -fcompare-debug compilation. */
+const char *compare_debug_opt;
+
+static struct switchstr *switches_debug_check[2];
+
+static int n_switches_debug_check[2];
+
+static char *debug_check_temp_file[2];
+
/* Language is one of three things:
1) The name of a real programming language.
fputs (_(" -pass-exit-codes Exit with highest error code from a phase\n"), stdout);
fputs (_(" --help Display this information\n"), stdout);
fputs (_(" --target-help Display target specific command line options\n"), stdout);
+ fputs (_(" --help={target|optimizers|warnings|params|[^]{joined|separate|undocumented}}[,...]\n"), stdout);
+ fputs (_(" Display specific types of command line options\n"), stdout);
if (! verbose_flag)
fputs (_(" (Use '-v --help' to display command line options of sub-processes)\n"), stdout);
+ fputs (_(" --version Display compiler version information\n"), stdout);
fputs (_(" -dumpspecs Display all of the built in spec strings\n"), stdout);
fputs (_(" -dumpversion Display the version of the compiler\n"), stdout);
fputs (_(" -dumpmachine Display the compiler's target processor\n"), stdout);
-print-multi-lib Display the mapping between command line options and\n\
multiple library search directories\n"), stdout);
fputs (_(" -print-multi-os-directory Display the relative path to OS libraries\n"), stdout);
+ fputs (_(" -print-sysroot Display the target libraries directory\n"), stdout);
+ fputs (_(" -print-sysroot-headers-suffix Display the sysroot suffix used to find headers\n"), stdout);
fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler\n"), stdout);
fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor\n"), stdout);
fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker\n"), stdout);
fputs (_(" -Xlinker <arg> Pass <arg> on to the linker\n"), stdout);
fputs (_(" -combine Pass multiple source files to compiler at once\n"), stdout);
fputs (_(" -save-temps Do not delete intermediate files\n"), stdout);
+ fputs (_(" -save-temps=<arg> Do not delete intermediate files\n"), stdout);
fputs (_(" -pipe Use pipes rather than intermediate files\n"), stdout);
fputs (_(" -time Time the execution of each subprocess\n"), stdout);
fputs (_(" -specs=<file> Override built-in specs with the contents of <file>\n"), stdout);
fputs (_(" -std=<standard> Assume that the input sources are for <standard>\n"), stdout);
fputs (_("\
--sysroot=<directory> Use <directory> as the root directory for headers\n\
- for headers and libraries\n"), stdout);
+ and libraries\n"), stdout);
fputs (_(" -B <directory> Add <directory> to the compiler's search paths\n"), stdout);
fputs (_(" -b <machine> Run gcc for target <machine>, if installed\n"), stdout);
fputs (_(" -V <version> Run gcc version number <version>, if installed\n"), stdout);
n_preprocessor_options++;
if (! preprocessor_options)
- preprocessor_options = xmalloc (n_preprocessor_options * sizeof (char *));
+ preprocessor_options = XNEWVEC (char *, n_preprocessor_options);
else
- preprocessor_options = xrealloc (preprocessor_options,
- n_preprocessor_options * sizeof (char *));
+ preprocessor_options = XRESIZEVEC (char *, preprocessor_options,
+ n_preprocessor_options);
preprocessor_options [n_preprocessor_options - 1] =
save_string (option, len);
n_assembler_options++;
if (! assembler_options)
- assembler_options = xmalloc (n_assembler_options * sizeof (char *));
+ assembler_options = XNEWVEC (char *, n_assembler_options);
else
- assembler_options = xrealloc (assembler_options,
- n_assembler_options * sizeof (char *));
+ assembler_options = XRESIZEVEC (char *, assembler_options,
+ n_assembler_options);
assembler_options [n_assembler_options - 1] = save_string (option, len);
}
n_linker_options++;
if (! linker_options)
- linker_options = xmalloc (n_linker_options * sizeof (char *));
+ linker_options = XNEWVEC (char *, n_linker_options);
else
- linker_options = xrealloc (linker_options,
- n_linker_options * sizeof (char *));
+ linker_options = XRESIZEVEC (char *, linker_options, n_linker_options);
linker_options [n_linker_options - 1] = save_string (option, len);
}
char *temp1;
const char *spec_lang = 0;
int last_language_n_infiles;
- int have_c = 0;
int lang_n_infiles = 0;
#ifdef MODIFY_TARGET_NAME
int is_modify_target_name;
- int j;
+ unsigned int j;
#endif
+ const char *tooldir_prefix;
GET_ENVIRONMENT (gcc_exec_prefix, "GCC_EXEC_PREFIX");
}
/* If there is a -V or -b option (or both), process it now, before
- trying to interpret the rest of the command line. */
+ trying to interpret the rest of the command line.
+ Use heuristic that all configuration names must have at least
+ one dash '-'. This allows us to pass options starting with -b. */
if (argc > 1 && argv[1][0] == '-'
- && (argv[1][1] == 'V' || argv[1][1] == 'b'))
+ && (argv[1][1] == 'V'
+ || (argv[1][1] == 'b'
+ && (argv[1][2] == '\0'
+ || NULL != strchr (argv[1] + 2, '-')))))
{
const char *new_version = DEFAULT_TARGET_VERSION;
const char *new_machine = DEFAULT_TARGET_MACHINE;
char **new_argv;
char *new_argv0;
int baselen;
+ int status = 0;
+ int err = 0;
+ const char *errmsg;
while (argc > 1 && argv[1][0] == '-'
- && (argv[1][1] == 'V' || argv[1][1] == 'b'))
+ && (argv[1][1] == 'V'
+ || (argv[1][1] == 'b'
+ && (argv[1][2] == '\0'
+ || NULL != strchr (argv[1] + 2, '-')))))
{
char opt = argv[1][1];
const char *arg;
for (baselen = strlen (progname); baselen > 0; baselen--)
if (IS_DIR_SEPARATOR (progname[baselen-1]))
break;
- new_argv0 = xmemdup (progname, baselen,
+ new_argv0 = XDUPVAR (char, progname, baselen,
baselen + concat_length (new_version, new_machine,
"-gcc-", NULL) + 1);
strcpy (new_argv0 + baselen, new_machine);
strcat (new_argv0, "-gcc-");
strcat (new_argv0, new_version);
- new_argv = xmemdup (argv, (argc + 1) * sizeof (argv[0]),
- (argc + 1) * sizeof (argv[0]));
+ new_argv = XDUPVEC (char *, argv, argc + 1);
new_argv[0] = new_argv0;
- execvp (new_argv0, new_argv);
- fatal ("couldn't run '%s': %s", new_argv0, xstrerror (errno));
+ errmsg = pex_one (PEX_SEARCH, new_argv0, new_argv, progname, NULL,
+ NULL, &status, &err);
+
+ if (errmsg)
+ {
+ if (err == 0)
+ fatal ("couldn't run '%s': %s", new_argv0, errmsg);
+ else
+ fatal ("couldn't run '%s': %s: %s", new_argv0, errmsg,
+ xstrerror (err));
+ }
+ exit (status);
}
/* Set up the default search paths. If there is no GCC_EXEC_PREFIX,
{
gcc_exec_prefix = make_relative_prefix (argv[0], standard_bindir_prefix,
standard_exec_prefix);
- gcc_libexec_prefix = make_relative_prefix (argv[0],
+ gcc_libexec_prefix = make_relative_prefix (argv[0],
standard_bindir_prefix,
standard_libexec_prefix);
if (gcc_exec_prefix)
- putenv (concat ("GCC_EXEC_PREFIX=", gcc_exec_prefix, NULL));
+ xputenv (concat ("GCC_EXEC_PREFIX=", gcc_exec_prefix, NULL));
}
else
- gcc_libexec_prefix = make_relative_prefix (gcc_exec_prefix,
- standard_exec_prefix,
- standard_libexec_prefix);
+ {
+ /* make_relative_prefix requires a program name, but
+ GCC_EXEC_PREFIX is typically a directory name with a trailing
+ / (which is ignored by make_relative_prefix), so append a
+ program name. */
+ char *tmp_prefix = concat (gcc_exec_prefix, "gcc", NULL);
+ gcc_libexec_prefix = make_relative_prefix (tmp_prefix,
+ standard_exec_prefix,
+ standard_libexec_prefix);
+
+ /* The path is unrelocated, so fallback to the original setting. */
+ if (!gcc_libexec_prefix)
+ gcc_libexec_prefix = standard_libexec_prefix;
+
+ free (tmp_prefix);
+ }
#else
#endif
+ /* From this point onward, gcc_exec_prefix is non-null if the toolchain
+ is relocated. The toolchain was either relocated using GCC_EXEC_PREFIX
+ or an automatically created GCC_EXEC_PREFIX from argv[0]. */
if (gcc_exec_prefix)
{
if (temp)
{
const char *startp, *endp;
- char *nstore = alloca (strlen (temp) + 3);
+ char *nstore = (char *) alloca (strlen (temp) + 3);
startp = endp = temp;
while (1)
if (temp && *cross_compile == '0')
{
const char *startp, *endp;
- char *nstore = alloca (strlen (temp) + 3);
+ char *nstore = (char *) alloca (strlen (temp) + 3);
startp = endp = temp;
while (1)
if (temp && *cross_compile == '0')
{
const char *startp, *endp;
- char *nstore = alloca (strlen (temp) + 3);
+ char *nstore = (char *) alloca (strlen (temp) + 3);
startp = endp = temp;
while (1)
}
/* Convert new-style -- options to old-style. */
- translate_options (&argc, (const char *const **) &argv);
+ translate_options (&argc,
+ CONST_CAST2 (const char *const **, const char ***,
+ &argv));
/* Do language-specific adjustment/addition of flags. */
- lang_specific_driver (&argc, (const char *const **) &argv, &added_libraries);
+ lang_specific_driver (&argc,
+ CONST_CAST2 (const char *const **, const char ***,
+ &argv),
+ &added_libraries);
/* Scan argv twice. Here, the first time, just count how many switches
there will be in their vector, and how many input files in theirs.
else if (strcmp (argv[i], "-fversion") == 0)
{
/* translate_options () has turned --version into -fversion. */
- printf (_("%s (GCC) %s\n"), programname, version_string);
- printf ("Copyright %s 2005 Free Software Foundation, Inc.\n",
- _("(C)"));
- fputs (_("This is free software; see the source for copying conditions. There is NO\n\
-warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"),
- stdout);
- exit (0);
+ print_version = 1;
+
+ /* We will be passing a dummy file on to the sub-processes. */
+ n_infiles++;
+ n_switches++;
+
+ /* CPP driver cannot obtain switch from cc1_options. */
+ if (is_cpp_driver)
+ add_preprocessor_option ("--version", strlen ("--version"));
+ add_assembler_option ("--version", strlen ("--version"));
+ add_linker_option ("--version", strlen ("--version"));
}
else if (strcmp (argv[i], "-fhelp") == 0)
{
add_assembler_option ("--help", 6);
add_linker_option ("--help", 6);
}
+ else if (strncmp (argv[i], "-fhelp=", 7) == 0)
+ {
+ /* translate_options () has turned --help into -fhelp. */
+ print_subprocess_help = 2;
+
+ /* We will be passing a dummy file on to the sub-processes. */
+ n_infiles++;
+ n_switches++;
+ }
else if (strcmp (argv[i], "-ftarget-help") == 0)
{
/* translate_options() has turned --target-help into -ftarget-help. */
- target_help_flag = 1;
+ print_subprocess_help = 1;
/* We will be passing a dummy file on to the sub-processes. */
n_infiles++;
print_multi_lib = 1;
else if (! strcmp (argv[i], "-print-multi-directory"))
print_multi_directory = 1;
+ else if (! strcmp (argv[i], "-print-sysroot"))
+ print_sysroot = 1;
else if (! strcmp (argv[i], "-print-multi-os-directory"))
print_multi_os_directory = 1;
+ else if (! strcmp (argv[i], "-print-sysroot-headers-suffix"))
+ print_sysroot_headers_suffix = 1;
+ else if (! strcmp (argv[i], "-fcompare-debug-second"))
+ {
+ compare_debug_second = 1;
+ n_switches++;
+ }
+ else if (! strcmp (argv[i], "-fno-compare-debug"))
+ {
+ argv[i] = "-fcompare-debug=";
+ goto compare_debug_with_arg;
+ }
+ else if (! strcmp (argv[i], "-fcompare-debug"))
+ {
+ argv[i] = "-fcompare-debug=-gtoggle";
+ goto compare_debug_with_arg;
+ }
+#define OPT "-fcompare-debug="
+ else if (! strncmp (argv[i], OPT, sizeof (OPT) - 1))
+ {
+ const char *opt;
+ compare_debug_with_arg:
+ opt = argv[i] + sizeof (OPT) - 1;
+#undef OPT
+ if (*opt)
+ compare_debug = 1;
+ else
+ compare_debug = -1;
+ if (compare_debug < 0)
+ compare_debug_opt = NULL;
+ else
+ compare_debug_opt = opt;
+ n_switches++;
+ }
else if (! strncmp (argv[i], "-Wa,", 4))
{
int prev, j;
n_infiles++;
else if (strcmp (argv[i], "-save-temps") == 0)
{
- save_temps_flag = 1;
+ save_temps_flag = SAVE_TEMPS_CWD;
+ n_switches++;
+ }
+ else if (strncmp (argv[i], "-save-temps=", 12) == 0)
+ {
n_switches++;
+ if (strcmp (argv[i]+12, "cwd") == 0)
+ save_temps_flag = SAVE_TEMPS_CWD;
+ else if (strcmp (argv[i]+12, "obj") == 0
+ || strcmp (argv[i]+12, "object") == 0)
+ save_temps_flag = SAVE_TEMPS_OBJ;
+ else
+ fatal ("'%s' is an unknown -save-temps option", argv[i]);
}
else if (strcmp (argv[i], "-combine") == 0)
{
}
else if (strcmp (argv[i], "-specs") == 0)
{
- struct user_specs *user = xmalloc (sizeof (struct user_specs));
+ struct user_specs *user = XNEW (struct user_specs);
if (++i >= argc)
fatal ("argument to '-specs' is missing");
}
else if (strncmp (argv[i], "-specs=", 7) == 0)
{
- struct user_specs *user = xmalloc (sizeof (struct user_specs));
+ struct user_specs *user = XNEW (struct user_specs);
if (strlen (argv[i]) == 7)
fatal ("argument to '-specs=' is missing");
}
else if (strcmp (argv[i], "-time") == 0)
report_times = 1;
+ else if (strncmp (argv[i], "-time=", sizeof ("-time=") - 1) == 0)
+ {
+ if (report_times_to_file)
+ fclose (report_times_to_file);
+ report_times_to_file = fopen (argv[i] + sizeof ("-time=") - 1, "a");
+ }
else if (strcmp (argv[i], "-pipe") == 0)
{
/* -pipe has to go into the switches array as well as
use_pipes = 1;
n_switches++;
}
+ else if (strcmp (argv[i], "-wrapper") == 0)
+ {
+ if (++i >= argc)
+ fatal ("argument to '-wrapper' is missing");
+
+ wrapper_string = argv[i];
+ n_switches++;
+ n_switches++;
+ }
else if (strcmp (argv[i], "-###") == 0)
{
/* This is similar to -v except that there is no execution
switch (c)
{
case 'b':
+ if (p[1] && NULL == strchr (argv[i] + 2, '-'))
+ goto normal_switch;
+
+ /* Fall through. */
case 'V':
fatal ("'-%c' must come at the start of the command line", c);
break;
if appending a directory separator actually makes a
valid directory name. */
if (! IS_DIR_SEPARATOR (value [len - 1])
- && is_directory (value, "", 0))
+ && is_directory (value, false))
{
- char *tmp = xmalloc (len + 2);
+ char *tmp = XNEWVEC (char, len + 2);
strcpy (tmp, value);
tmp[len] = DIR_SEPARATOR;
tmp[++ len] = 0;
value = tmp;
}
- /* As a kludge, if the arg is "[foo/]stageN/", just
- add "[foo/]include" to the include prefix. */
- if ((len == 7
- || (len > 7
- && (IS_DIR_SEPARATOR (value[len - 8]))))
- && strncmp (value + len - 7, "stage", 5) == 0
- && ISDIGIT (value[len - 2])
- && (IS_DIR_SEPARATOR (value[len - 1])))
- {
- if (len == 7)
- add_prefix (&include_prefixes, "./", NULL,
- PREFIX_PRIORITY_B_OPT, 0, 0);
- else
- {
- char *string = xmalloc (len - 6);
- memcpy (string, value, len - 7);
- string[len - 7] = 0;
- add_prefix (&include_prefixes, string, NULL,
- PREFIX_PRIORITY_B_OPT, 0, 0);
- }
- }
-
add_prefix (&exec_prefixes, value, NULL,
PREFIX_PRIORITY_B_OPT, 0, 0);
add_prefix (&startfile_prefixes, value, NULL,
goto normal_switch;
case 'o':
+ have_o = 1;
#if defined(HAVE_TARGET_EXECUTABLE_SUFFIX)
if (! have_c)
{
else
argv[i] = convert_filename (argv[i], ! have_c, 0);
#endif
+ /* Save the output name in case -save-temps=obj was used. */
+ save_temps_prefix = xstrdup ((p[1] == 0) ? argv[i + 1] : argv[i] + 1);
goto normal_switch;
default:
for (j = 0; j < ARRAY_SIZE (modify_target); j++)
if (! strcmp (argv[i], modify_target[j].sw))
{
- char *new_name = xmalloc (strlen (modify_target[j].str)
+ char *new_name = XNEWVEC (char, strlen (modify_target[j].str)
+ strlen (spec_machine));
const char *p, *r;
char *q;
}
}
+ /* If -save-temps=obj and -o name, create the prefix to use for %b.
+ Otherwise just make -save-temps=obj the same as -save-temps=cwd. */
+ if (save_temps_flag == SAVE_TEMPS_OBJ && save_temps_prefix != NULL)
+ {
+ save_temps_length = strlen (save_temps_prefix);
+ temp = strrchr (lbasename (save_temps_prefix), '.');
+ if (temp)
+ {
+ save_temps_length -= strlen (temp);
+ save_temps_prefix[save_temps_length] = '\0';
+ }
+
+ }
+ else if (save_temps_prefix != NULL)
+ {
+ free (save_temps_prefix);
+ save_temps_prefix = NULL;
+ }
+
if (save_temps_flag && use_pipes)
{
/* -save-temps overrides -pipe, so that temp files are produced */
use_pipes = 0;
}
- /* Set up the search paths before we go looking for config files. */
+ if (!compare_debug)
+ {
+ const char *gcd = getenv ("GCC_COMPARE_DEBUG");
- /* These come before the md prefixes so that we will find gcc's subcommands
- (such as cpp) rather than those of the host system. */
- /* Use 2 as fourth arg meaning try just the machine as a suffix,
- as well as trying the machine and the version. */
+ if (gcd && gcd[0] == '-')
+ {
+ compare_debug = 2;
+ compare_debug_opt = gcd;
+ n_switches++;
+ }
+ else if (gcd && *gcd && strcmp (gcd, "0"))
+ {
+ compare_debug = 3;
+ compare_debug_opt = "-gtoggle";
+ n_switches++;
+ }
+ }
+ else if (compare_debug < 0)
+ {
+ compare_debug = 0;
+ gcc_assert (!compare_debug_opt);
+ }
+
+ /* Set up the search paths. We add directories that we expect to
+ contain GNU Toolchain components before directories specified by
+ the machine description so that we will find GNU components (like
+ the GNU assembler) before those of the host system. */
+
+ /* If we don't know where the toolchain has been installed, use the
+ configured-in locations. */
+ if (!gcc_exec_prefix)
+ {
#ifndef OS2
- add_prefix (&exec_prefixes, standard_libexec_prefix, "GCC",
- PREFIX_PRIORITY_LAST, 1, 0);
- add_prefix (&exec_prefixes, standard_libexec_prefix, "BINUTILS",
- PREFIX_PRIORITY_LAST, 2, 0);
- add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS",
- PREFIX_PRIORITY_LAST, 2, 0);
- add_prefix (&exec_prefixes, standard_exec_prefix_1, "BINUTILS",
- PREFIX_PRIORITY_LAST, 2, 0);
- add_prefix (&exec_prefixes, standard_exec_prefix_2, "BINUTILS",
- PREFIX_PRIORITY_LAST, 2, 0);
+ add_prefix (&exec_prefixes, standard_libexec_prefix, "GCC",
+ PREFIX_PRIORITY_LAST, 1, 0);
+ add_prefix (&exec_prefixes, standard_libexec_prefix, "BINUTILS",
+ PREFIX_PRIORITY_LAST, 2, 0);
+ add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS",
+ PREFIX_PRIORITY_LAST, 2, 0);
#endif
+ add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS",
+ PREFIX_PRIORITY_LAST, 1, 0);
+ }
- add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS",
- PREFIX_PRIORITY_LAST, 1, 0);
- add_prefix (&startfile_prefixes, standard_exec_prefix_2, "BINUTILS",
- PREFIX_PRIORITY_LAST, 1, 0);
+ /* If not cross-compiling, search well-known system locations. */
+ if (*cross_compile == '0')
+ {
+#ifndef OS2
+ add_prefix (&exec_prefixes, standard_exec_prefix_1, "BINUTILS",
+ PREFIX_PRIORITY_LAST, 2, 0);
+ add_prefix (&exec_prefixes, standard_exec_prefix_2, "BINUTILS",
+ PREFIX_PRIORITY_LAST, 2, 0);
+#endif
+ add_prefix (&startfile_prefixes, standard_exec_prefix_2, "BINUTILS",
+ PREFIX_PRIORITY_LAST, 1, 0);
+ }
+ gcc_assert (!IS_ABSOLUTE_PATH (tooldir_base_prefix));
tooldir_prefix = concat (tooldir_base_prefix, spec_machine,
dir_separator_str, NULL);
- /* If tooldir is relative, base it on exec_prefixes. A relative
- tooldir lets us move the installed tree as a unit.
-
- If GCC_EXEC_PREFIX is defined, then we want to add two relative
- directories, so that we can search both the user specified directory
- and the standard place. */
-
- if (!IS_ABSOLUTE_PATH (tooldir_prefix))
- {
- if (gcc_exec_prefix)
- {
- char *gcc_exec_tooldir_prefix
- = concat (gcc_exec_prefix, spec_machine, dir_separator_str,
- spec_version, dir_separator_str, tooldir_prefix, NULL);
-
- add_prefix (&exec_prefixes,
- concat (gcc_exec_tooldir_prefix, "bin",
- dir_separator_str, NULL),
- NULL, PREFIX_PRIORITY_LAST, 0, 0);
- add_prefix (&startfile_prefixes,
- concat (gcc_exec_tooldir_prefix, "lib",
- dir_separator_str, NULL),
- NULL, PREFIX_PRIORITY_LAST, 0, 1);
- }
-
- tooldir_prefix = concat (standard_exec_prefix, spec_machine,
- dir_separator_str, spec_version,
- dir_separator_str, tooldir_prefix, NULL);
- }
+ /* Look for tools relative to the location from which the driver is
+ running, or, if that is not available, the configured prefix. */
+ tooldir_prefix
+ = concat (gcc_exec_prefix ? gcc_exec_prefix : standard_exec_prefix,
+ spec_machine, dir_separator_str,
+ spec_version, dir_separator_str, tooldir_prefix, NULL);
add_prefix (&exec_prefixes,
concat (tooldir_prefix, "bin", dir_separator_str, NULL),
/* Then create the space for the vectors and scan again. */
- switches = xmalloc ((n_switches + 1) * sizeof (struct switchstr));
- infiles = xmalloc ((n_infiles + 1) * sizeof (struct infile));
+ switches = XNEWVEC (struct switchstr, n_switches + 1);
+ infiles = XNEWVEC (struct infile, n_infiles + 1);
n_switches = 0;
n_infiles = 0;
last_language_n_infiles = -1;
;
else if (! strcmp (argv[i], "-print-multi-directory"))
;
- else if (! strcmp (argv[i], "-print-multi-os-directory"))
+ else if (! strcmp (argv[i], "-print-sysroot"))
;
- else if (! strcmp (argv[i], "-ftarget-help"))
+ else if (! strcmp (argv[i], "-print-multi-os-directory"))
;
- else if (! strcmp (argv[i], "-fhelp"))
+ else if (! strcmp (argv[i], "-print-sysroot-headers-suffix"))
;
else if (! strncmp (argv[i], "--sysroot=", strlen ("--sysroot=")))
{
-e0 or -e1 down into the linker. */
switches[n_switches].part1 = &argv[i][0];
switches[n_switches].args = 0;
- switches[n_switches].live_cond = SWITCH_OK;
+ switches[n_switches].live_cond = 0;
switches[n_switches].validated = 0;
n_switches++;
}
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[i];
}
+ else if (strcmp (argv[i], "-wrapper") == 0)
+ i++;
else if (strcmp (argv[i], "-specs") == 0)
i++;
else if (strncmp (argv[i], "-specs=", 7) == 0)
;
else if (strcmp (argv[i], "-time") == 0)
;
+ else if (strncmp (argv[i], "-time=", sizeof ("-time=") - 1) == 0)
+ ;
else if (strcmp (argv[i], "-###") == 0)
;
else if (argv[i][0] == '-' && argv[i][1] != 0)
if (i + n_args >= argc)
fatal ("argument to '-%s' is missing", p);
switches[n_switches].args
- = xmalloc ((n_args + 1) * sizeof(const char *));
+ = XNEWVEC (const char *, n_args + 1);
while (j < n_args)
switches[n_switches].args[j++] = argv[++i];
/* Null-terminate the vector. */
{
/* On some systems, ld cannot handle some options without
a space. So split the option from its argument. */
- char *part1 = xmalloc (2);
+ char *part1 = XNEWVEC (char, 2);
part1[0] = c;
part1[1] = '\0';
switches[n_switches].part1 = part1;
- switches[n_switches].args = xmalloc (2 * sizeof (const char *));
+ switches[n_switches].args = XNEWVEC (const char *, 2);
switches[n_switches].args[0] = xstrdup (p+1);
switches[n_switches].args[1] = 0;
}
else
switches[n_switches].args = 0;
- switches[n_switches].live_cond = SWITCH_OK;
+ switches[n_switches].live_cond = 0;
switches[n_switches].validated = 0;
switches[n_switches].ordering = 0;
- /* These are always valid, since gcc.c itself understands them. */
+ /* These are always valid, since gcc.c itself understands the
+ first four and gfortranspec.c understands -static-libgfortran. */
if (!strcmp (p, "save-temps")
|| !strcmp (p, "static-libgcc")
|| !strcmp (p, "shared-libgcc")
- || !strcmp (p, "pipe"))
+ || !strcmp (p, "pipe")
+ || !strcmp (p, "static-libgfortran"))
switches[n_switches].validated = 1;
else
{
if (n_infiles == last_language_n_infiles && spec_lang != 0)
error ("warning: '-x %s' after last input file has no effect", spec_lang);
+ if (compare_debug == 2 || compare_debug == 3)
+ {
+ switches[n_switches].part1 = concat ("fcompare-debug=",
+ compare_debug_opt,
+ NULL);
+ switches[n_switches].args = 0;
+ switches[n_switches].live_cond = 0;
+ switches[n_switches].validated = 0;
+ switches[n_switches].ordering = 0;
+ n_switches++;
+ compare_debug = 1;
+ }
+
/* Ensure we only invoke each subprocess once. */
- if (target_help_flag || print_help_list)
+ if (print_subprocess_help || print_help_list || print_version)
{
n_infiles = 1;
- /* Create a dummy input file, so that we can pass --target-help on to
- the various sub-processes. */
+ /* Create a dummy input file, so that we can pass
+ the help option on to the various sub-processes. */
infiles[0].language = "c";
infiles[0].name = "help-dummy";
-
- if (target_help_flag)
- {
- switches[n_switches].part1 = "--target-help";
- switches[n_switches].args = 0;
- switches[n_switches].live_cond = SWITCH_OK;
- switches[n_switches].validated = 0;
-
- n_switches++;
- }
-
- if (print_help_list)
- {
- switches[n_switches].part1 = "--help";
- switches[n_switches].args = 0;
- switches[n_switches].live_cond = SWITCH_OK;
- switches[n_switches].validated = 0;
-
- n_switches++;
- }
}
switches[n_switches].part1 = 0;
first_time = FALSE;
/* Ignore elided switches. */
- if (switches[i].live_cond == SWITCH_IGNORE)
+ if ((switches[i].live_cond & SWITCH_IGNORE) != 0)
+ continue;
+
+ /* Don't use -fwhole-program when compiling the init and fini routines,
+ since we'd wrongly assume that the routines aren't needed. */
+ if (strcmp (switches[i].part1, "fwhole-program") == 0)
continue;
obstack_grow (&collect_obstack, "'-", 2);
}
}
obstack_grow (&collect_obstack, "\0", 1);
- putenv (XOBFINISH (&collect_obstack, char *));
+ xputenv (XOBFINISH (&collect_obstack, char *));
}
\f
/* Process a spec string, accumulating and running commands. */
arguments. */
static const char *suffix_subst;
+/* If there is an argument being accumulated, terminate it and store it. */
+
+static void
+end_going_arg (void)
+{
+ if (arg_going)
+ {
+ const char *string;
+
+ obstack_1grow (&obstack, 0);
+ string = XOBFINISH (&obstack, const char *);
+ if (this_is_library_file)
+ string = find_file (string);
+ store_arg (string, delete_this_arg, this_is_output_file);
+ if (this_is_output_file)
+ outfiles[input_file_number] = string;
+ arg_going = 0;
+ }
+}
+
+
+/* Parse the WRAPPER string which is a comma separated list of the command line
+ and insert them into the beginning of argbuf. */
+
+static void
+insert_wrapper (const char *wrapper)
+{
+ int n = 0;
+ int i;
+ char *buf = xstrdup (wrapper);
+ char *p = buf;
+
+ do
+ {
+ n++;
+ while (*p == ',')
+ p++;
+ }
+ while ((p = strchr (p, ',')) != NULL);
+
+ if (argbuf_index + n >= argbuf_length)
+ {
+ argbuf_length = argbuf_length * 2;
+ while (argbuf_length < argbuf_index + n)
+ argbuf_length *= 2;
+ argbuf = XRESIZEVEC (const char *, argbuf, argbuf_length);
+ }
+ for (i = argbuf_index - 1; i >= 0; i--)
+ argbuf[i + n] = argbuf[i];
+
+ i = 0;
+ p = buf;
+ do
+ {
+ while (*p == ',')
+ {
+ *p = 0;
+ p++;
+ }
+ argbuf[i++] = p;
+ }
+ while ((p = strchr (p, ',')) != NULL);
+ gcc_assert (i == n);
+ argbuf_index += n;
+}
+
/* Process the spec SPEC and run the commands specified therein.
Returns 0 if the spec is successfully processed; -1 if failed. */
static int
do_spec_2 (const char *spec)
{
- const char *string;
int result;
clear_args ();
result = do_spec_1 (spec, 0, NULL);
- /* End any pending argument. */
- if (arg_going)
- {
- obstack_1grow (&obstack, 0);
- string = XOBFINISH (&obstack, const char *);
- if (this_is_library_file)
- string = find_file (string);
- store_arg (string, delete_this_arg, this_is_output_file);
- if (this_is_output_file)
- outfiles[input_file_number] = string;
- arg_going = 0;
- }
+ end_going_arg ();
return result;
}
}
/* Replace each %(VALUE) by the specified value. */
- tmp_spec = alloca (strlen (spec) + 1
+ tmp_spec = (char *) alloca (strlen (spec) + 1
+ value_count * (value_len - strlen ("%(VALUE)")));
tmp_spec_p = tmp_spec;
q = spec;
if (argbuf_index > 0)
{
- int i, first;
+ int i;
- first = n_switches;
- n_switches += argbuf_index;
- switches = xrealloc (switches,
- sizeof (struct switchstr) * (n_switches + 1));
+ switches = XRESIZEVEC (struct switchstr, switches,
+ n_switches + argbuf_index + 1);
- switches[n_switches] = switches[first];
for (i = 0; i < argbuf_index; i++)
{
struct switchstr *sw;
+ const char *p = argbuf[i];
+ int c = *p;
/* Each switch should start with '-'. */
- if (argbuf[i][0] != '-')
+ if (c != '-')
fatal ("switch '%s' does not start with '-'", argbuf[i]);
- sw = &switches[i + first];
- sw->part1 = &argbuf[i][1];
- sw->args = 0;
- sw->live_cond = SWITCH_OK;
+ p++;
+ c = *p;
+
+ sw = &switches[n_switches++];
+ sw->part1 = p;
+ sw->live_cond = 0;
sw->validated = 0;
sw->ordering = 0;
+
+ /* Deal with option arguments in separate argv elements. */
+ if ((SWITCH_TAKES_ARG (c) > (p[1] != 0))
+ || WORD_SWITCH_TAKES_ARG (p))
+ {
+ int j = 0;
+ int n_args = WORD_SWITCH_TAKES_ARG (p);
+
+ if (n_args == 0)
+ {
+ /* Count only the option arguments in separate argv elements. */
+ n_args = SWITCH_TAKES_ARG (c) - (p[1] != 0);
+ }
+ if (i + n_args >= argbuf_index)
+ fatal ("argument to '-%s' is missing", p);
+ sw->args
+ = XNEWVEC (const char *, n_args + 1);
+ while (j < n_args)
+ sw->args[j++] = argbuf[++i];
+ /* Null-terminate the vector. */
+ sw->args[j] = 0;
+ }
+ else if (strchr (switches_need_spaces, c))
+ {
+ /* On some systems, ld cannot handle some options without
+ a space. So split the option from its argument. */
+ char *part1 = XNEWVEC (char, 2);
+ part1[0] = c;
+ part1[1] = '\0';
+
+ sw->part1 = part1;
+ sw->args = XNEWVEC (const char *, 2);
+ sw->args[0] = xstrdup (p+1);
+ sw->args[1] = 0;
+ }
+ else
+ sw->args = 0;
}
+
+ switches[n_switches].part1 = 0;
}
}
-void
-do_spec_path (struct prefix_list *pl, const char *option,
- int omit_if_relative, int separate_options,
- int only_subdir,
- const char *dir_for_machine_suffix,
- const char *dir_for_no_suffix)
+/* Callback for processing %D and %I specs. */
+
+struct spec_path_info {
+ const char *option;
+ const char *append;
+ size_t append_len;
+ bool omit_relative;
+ bool separate_options;
+};
+
+static void *
+spec_path (char *path, void *data)
{
- static size_t bufsize = 0;
- static char *buffer;
- int idx;
- bool multilib_p = false;
-
- /* Used on systems which record the specified -L dirs
- and use them to search for dynamic linking. */
- /* Relative directories always come from -B,
- and it is better not to use them for searching
- at run time. In particular, stage1 loses. */
- if (omit_if_relative
- && !IS_ABSOLUTE_PATH (pl->prefix))
- return;
+ struct spec_path_info *info = (struct spec_path_info *) data;
+ size_t len = 0;
+ char save = 0;
- /* Try subdirectory if there is one. */
- if (machine_suffix && dir_for_machine_suffix)
- {
- if (strlen (pl->prefix) + strlen (machine_suffix)
- >= bufsize)
- bufsize = (strlen (pl->prefix)
- + strlen (machine_suffix)) * 2 + 1;
- buffer = xrealloc (buffer, bufsize);
- strcpy (buffer, pl->prefix);
- strcat (buffer, machine_suffix);
- if (is_directory (buffer, dir_for_machine_suffix, 1))
- {
- multilib_p = true;
- do_spec_1 (option, separate_options, NULL);
- if (separate_options)
- do_spec_1 (" ", 0, NULL);
- do_spec_1 (buffer, 1, NULL);
- do_spec_1 (dir_for_machine_suffix, 1, NULL);
- /* Make this a separate argument. */
- do_spec_1 (" ", 0, NULL);
- }
- }
- if (!pl->require_machine_suffix && dir_for_no_suffix)
+ if (info->omit_relative && !IS_ABSOLUTE_PATH (path))
+ return NULL;
+
+ if (info->append_len != 0)
{
- if (is_directory (pl->prefix, dir_for_no_suffix, 1))
- {
- multilib_p = true;
- do_spec_1 (option, separate_options, NULL);
- if (separate_options)
- do_spec_1 (" ", 0, NULL);
- do_spec_1 (pl->prefix, 1, NULL);
- do_spec_1 (dir_for_no_suffix, 1, NULL);
- /* Make this a separate argument. */
- do_spec_1 (" ", 0, NULL);
- }
+ len = strlen (path);
+ memcpy (path + len, info->append, info->append_len + 1);
}
- if (only_subdir || multilib_p)
- return;
+ if (!is_directory (path, true))
+ return NULL;
- if (machine_suffix)
- {
- if (is_directory (pl->prefix, machine_suffix, 1))
- {
- do_spec_1 (option, separate_options, NULL);
- if (separate_options)
- do_spec_1 (" ", 0, NULL);
- do_spec_1 (pl->prefix, 1, NULL);
- /* Remove slash from machine_suffix. */
- if (strlen (machine_suffix) >= bufsize)
- bufsize = strlen (machine_suffix) * 2 + 1;
- buffer = xrealloc (buffer, bufsize);
- strcpy (buffer, machine_suffix);
- idx = strlen (buffer);
- if (IS_DIR_SEPARATOR (buffer[idx - 1]))
- buffer[idx - 1] = 0;
- do_spec_1 (buffer, 1, NULL);
- /* Make this a separate argument. */
- do_spec_1 (" ", 0, NULL);
- }
- }
- if (!pl->require_machine_suffix)
+ do_spec_1 (info->option, 1, NULL);
+ if (info->separate_options)
+ do_spec_1 (" ", 0, NULL);
+
+ if (info->append_len == 0)
{
- if (is_directory (pl->prefix, "", 1))
- {
- do_spec_1 (option, separate_options, NULL);
- if (separate_options)
- do_spec_1 (" ", 0, NULL);
- /* Remove slash from pl->prefix. */
- if (strlen (pl->prefix) >= bufsize)
- bufsize = strlen (pl->prefix) * 2 + 1;
- buffer = xrealloc (buffer, bufsize);
- strcpy (buffer, pl->prefix);
- idx = strlen (buffer);
- if (IS_DIR_SEPARATOR (buffer[idx - 1]))
- buffer[idx - 1] = 0;
- do_spec_1 (buffer, 1, NULL);
- /* Make this a separate argument. */
- do_spec_1 (" ", 0, NULL);
- }
+ len = strlen (path);
+ save = path[len - 1];
+ if (IS_DIR_SEPARATOR (path[len - 1]))
+ path[len - 1] = '\0';
}
+
+ do_spec_1 (path, 1, NULL);
+ do_spec_1 (" ", 0, NULL);
+
+ /* Must not damage the original path. */
+ if (info->append_len == 0)
+ path[len - 1] = save;
+
+ return NULL;
+}
+
+/* Create a temporary FILE with the contents of ARGV. Add @FILE to the
+ argument list. */
+
+static void
+create_at_file (char **argv)
+{
+ char *temp_file = make_temp_file ("");
+ char *at_argument = concat ("@", temp_file, NULL);
+ FILE *f = fopen (temp_file, "w");
+ int status;
+
+ if (f == NULL)
+ fatal ("could not open temporary response file %s",
+ temp_file);
+
+ status = writeargv (argv, f);
+
+ if (status)
+ fatal ("could not write to temporary response file %s",
+ temp_file);
+
+ status = fclose (f);
+
+ if (EOF == status)
+ fatal ("could not close temporary response file %s",
+ temp_file);
+
+ store_arg (at_argument, 0, 0);
+
+ record_temp_file (temp_file, !save_temps_flag, !save_temps_flag);
+}
+
+/* True if we should compile INFILE. */
+
+static bool
+compile_input_file_p (struct infile *infile)
+{
+ if ((!infile->language) || (infile->language[0] != '*'))
+ if (infile->incompiler == input_file_compiler)
+ return true;
+ return false;
}
/* Process the sub-spec SPEC as a portion of a larger spec.
const char *p = spec;
int c;
int i;
- const char *string;
int value;
while ((c = *p++))
switch (inswitch ? 'a' : c)
{
case '\n':
- /* End of line: finish any pending argument,
- then run the pending command if one has been started. */
- if (arg_going)
- {
- obstack_1grow (&obstack, 0);
- string = XOBFINISH (&obstack, const char *);
- if (this_is_library_file)
- string = find_file (string);
- store_arg (string, delete_this_arg, this_is_output_file);
- if (this_is_output_file)
- outfiles[input_file_number] = string;
- }
- arg_going = 0;
+ end_going_arg ();
if (argbuf_index > 0 && !strcmp (argbuf[argbuf_index - 1], "|"))
{
break;
case '|':
- /* End any pending argument. */
- if (arg_going)
- {
- obstack_1grow (&obstack, 0);
- string = XOBFINISH (&obstack, const char *);
- if (this_is_library_file)
- string = find_file (string);
- store_arg (string, delete_this_arg, this_is_output_file);
- if (this_is_output_file)
- outfiles[input_file_number] = string;
- }
+ end_going_arg ();
/* Use pipe */
obstack_1grow (&obstack, c);
case '\t':
case ' ':
- /* Space or tab ends an argument if one is pending. */
- if (arg_going)
- {
- obstack_1grow (&obstack, 0);
- string = XOBFINISH (&obstack, const char *);
- if (this_is_library_file)
- string = find_file (string);
- store_arg (string, delete_this_arg, this_is_output_file);
- if (this_is_output_file)
- outfiles[input_file_number] = string;
- }
+ end_going_arg ();
+
/* Reinitialize for a new argument. */
- arg_going = 0;
delete_this_arg = 0;
this_is_output_file = 0;
this_is_library_file = 0;
fatal ("spec '%s' invalid", spec);
case 'b':
- obstack_grow (&obstack, input_basename, basename_length);
+ if (save_temps_length)
+ obstack_grow (&obstack, save_temps_prefix, save_temps_length);
+ else
+ obstack_grow (&obstack, input_basename, basename_length);
+ if (compare_debug < 0)
+ obstack_grow (&obstack, ".gk", 3);
arg_going = 1;
break;
case 'B':
- obstack_grow (&obstack, input_basename, suffixed_basename_length);
+ if (save_temps_length)
+ obstack_grow (&obstack, save_temps_prefix, save_temps_length);
+ else
+ obstack_grow (&obstack, input_basename, suffixed_basename_length);
+ if (compare_debug < 0)
+ obstack_grow (&obstack, ".gk", 3);
arg_going = 1;
break;
that we search for startfiles. */
case 'D':
{
- struct prefix_list *pl = startfile_prefixes.plist;
-
- for (; pl; pl = pl->next)
- {
- const char *no_suffix_multilib_dir;
+ struct spec_path_info info;
- no_suffix_multilib_dir = pl->os_multilib ? multilib_os_dir
- : multilib_dir;
- /* Do not separate options, include non-multilibbed variant. */
- do_spec_path (pl, "-L",
+ info.option = "-L";
+ info.append_len = 0;
#ifdef RELATIVE_PREFIX_NOT_LINKDIR
- 1,
+ /* Used on systems which record the specified -L dirs
+ and use them to search for dynamic linking.
+ Relative directories always come from -B,
+ and it is better not to use them for searching
+ at run time. In particular, stage1 loses. */
+ info.omit_relative = true;
#else
- 0,
+ info.omit_relative = false;
#endif
- 0, 0, multilib_dir, no_suffix_multilib_dir);
- }
+ info.separate_options = false;
+
+ for_each_path (&startfile_prefixes, true, 0, spec_path, &info);
}
break;
char *buf;
while (*p != 0 && *p != '\n')
p++;
- buf = alloca (p - q + 1);
+ buf = (char *) alloca (p - q + 1);
strncpy (buf, q, p - q);
buf[p - q] = 0;
error ("%s", buf);
char *buf;
while (*p != 0 && *p != '\n')
p++;
- buf = alloca (p - q + 1);
+ buf = (char *) alloca (p - q + 1);
strncpy (buf, q, p - q);
buf[p - q] = 0;
notice ("%s\n", buf);
arg_going = 1;
/* consume suffix */
- while (*p == '.' || ISALPHA ((unsigned char) *p))
+ while (*p == '.' || ISALNUM ((unsigned char) *p))
p++;
if (p[0] == '%' && p[1] == 'O')
p += 2;
if (use_pipes)
{
/* consume suffix */
- while (*p == '.' || ISALPHA ((unsigned char) *p))
+ while (*p == '.' || ISALNUM ((unsigned char) *p))
p++;
if (p[0] == '%' && p[1] == 'O')
p += 2;
const char *suffix = p;
char *saved_suffix = NULL;
- while (*p == '.' || ISALPHA ((unsigned char) *p))
+ while (*p == '.' || ISALNUM ((unsigned char) *p))
p++;
suffix_length = p - suffix;
if (p[0] == '%' && p[1] == 'O')
{
p += 2;
/* We don't support extra suffix characters after %O. */
- if (*p == '.' || ISALPHA ((unsigned char) *p))
+ if (*p == '.' || ISALNUM ((unsigned char) *p))
fatal ("spec '%s' has invalid '%%0%c'", spec, *p);
if (suffix_length == 0)
suffix = TARGET_OBJECT_SUFFIX;
else
{
saved_suffix
- = xmalloc (suffix_length
+ = XNEWVEC (char, suffix_length
+ strlen (TARGET_OBJECT_SUFFIX));
strncpy (saved_suffix, suffix, suffix_length);
strcpy (saved_suffix + suffix_length,
suffix_length += strlen (TARGET_OBJECT_SUFFIX);
}
+ if (compare_debug < 0)
+ {
+ suffix = concat (".gk", suffix, NULL);
+ suffix_length += 3;
+ }
+
+ /* If -save-temps=obj and -o were specified, use that for the
+ temp file. */
+ if (save_temps_length)
+ {
+ char *tmp;
+ temp_filename_length
+ = save_temps_length + suffix_length + 1;
+ tmp = (char *) alloca (temp_filename_length);
+ memcpy (tmp, save_temps_prefix, save_temps_length);
+ memcpy (tmp + save_temps_length, suffix, suffix_length);
+ tmp[save_temps_length + suffix_length] = '\0';
+ temp_filename = save_string (tmp,
+ temp_filename_length + 1);
+ obstack_grow (&obstack, temp_filename,
+ temp_filename_length);
+ arg_going = 1;
+ delete_this_arg = 0;
+ break;
+ }
+
/* If the input_filename has the same suffix specified
for the %g, %u, or %U, and -save-temps is specified,
we could end up using that file as an intermediate
if (save_temps_flag)
{
- temp_filename_length = basename_length + suffix_length;
- temp_filename = alloca (temp_filename_length + 1);
- strncpy ((char *) temp_filename, input_basename, basename_length);
- strncpy ((char *) temp_filename + basename_length, suffix,
- suffix_length);
- *((char *) temp_filename + temp_filename_length) = '\0';
+ char *tmp;
+ temp_filename_length = basename_length + suffix_length + 1;
+ tmp = (char *) alloca (temp_filename_length);
+ memcpy (tmp, input_basename, basename_length);
+ memcpy (tmp + basename_length, suffix, suffix_length);
+ tmp[basename_length + suffix_length] = '\0';
+ temp_filename = tmp;
+
if (strcmp (temp_filename, input_filename) != 0)
{
#ifndef HOST_LACKS_INODE_NUMBERS
bool files_differ = strcmp (input_realname, temp_realname);
free (input_realname);
free (temp_realname);
- if (files_differ)
+ if (files_differ)
#endif
{
temp_filename = save_string (temp_filename,
{
if (t == 0)
{
- t = xmalloc (sizeof (struct temp_name));
+ t = XNEW (struct temp_name);
t->next = temp_names;
temp_names = t;
}
case 'i':
if (combine_inputs)
{
- for (i = 0; (int) i < n_infiles; i++)
- if ((!infiles[i].language) || (infiles[i].language[0] != '*'))
- if (infiles[i].incompiler == input_file_compiler)
+ if (at_file_supplied)
+ {
+ /* We are going to expand `%i' to `@FILE', where FILE
+ is a newly-created temporary filename. The filenames
+ that would usually be expanded in place of %o will be
+ written to the temporary file. */
+ char **argv;
+ int n_files = 0;
+ int j;
+
+ for (i = 0; i < n_infiles; i++)
+ if (compile_input_file_p (&infiles[i]))
+ n_files++;
+
+ argv = (char **) alloca (sizeof (char *) * (n_files + 1));
+
+ /* Copy the strings over. */
+ for (i = 0, j = 0; i < n_infiles; i++)
+ if (compile_input_file_p (&infiles[i]))
+ {
+ argv[j] = CONST_CAST (char *, infiles[i].name);
+ infiles[i].compiled = true;
+ j++;
+ }
+ argv[j] = NULL;
+
+ create_at_file (argv);
+ }
+ else
+ for (i = 0; (int) i < n_infiles; i++)
+ if (compile_input_file_p (&infiles[i]))
{
store_arg (infiles[i].name, 0, 0);
infiles[i].compiled = true;
case 'I':
{
- struct prefix_list *pl = include_prefixes.plist;
+ struct spec_path_info info;
+
+ if (multilib_dir)
+ {
+ do_spec_1 ("-imultilib", 1, NULL);
+ /* Make this a separate argument. */
+ do_spec_1 (" ", 0, NULL);
+ do_spec_1 (multilib_dir, 1, NULL);
+ do_spec_1 (" ", 0, NULL);
+ }
if (gcc_exec_prefix)
{
do_spec_1 (" ", 0, NULL);
}
- for (; pl; pl = pl->next)
- /* Separate options, don't include non-suffixed variant. */
- do_spec_path (pl, "-isystem", 0, 1, 1, "include", "include");
+ info.option = "-isystem";
+ info.append = "include";
+ info.append_len = strlen (info.append);
+ info.omit_relative = false;
+ info.separate_options = true;
+
+ for_each_path (&include_prefixes, false, info.append_len,
+ spec_path, &info);
+
+ info.append = "include-fixed";
+ if (*sysroot_hdrs_suffix_spec)
+ info.append = concat (info.append, dir_separator_str,
+ multilib_dir, NULL);
+ info.append_len = strlen (info.append);
+ for_each_path (&include_prefixes, false, info.append_len,
+ spec_path, &info);
}
break;
int max = n_infiles;
max += lang_specific_extra_outfiles;
- for (i = 0; i < max; i++)
- if (outfiles[i])
- store_arg (outfiles[i], 0, 0);
+ if (HAVE_GNU_LD && at_file_supplied)
+ {
+ /* We are going to expand `%o' to `@FILE', where FILE
+ is a newly-created temporary filename. The filenames
+ that would usually be expanded in place of %o will be
+ written to the temporary file. */
+
+ char **argv;
+ int n_files, j;
+
+ /* Convert OUTFILES into a form suitable for writeargv. */
+
+ /* Determine how many are non-NULL. */
+ for (n_files = 0, i = 0; i < max; i++)
+ n_files += outfiles[i] != NULL;
+
+ argv = (char **) alloca (sizeof (char *) * (n_files + 1));
+
+ /* Copy the strings over. */
+ for (i = 0, j = 0; i < max; i++)
+ if (outfiles[i])
+ {
+ argv[j] = CONST_CAST (char *, outfiles[i]);
+ j++;
+ }
+ argv[j] = NULL;
+
+ create_at_file (argv);
+ }
+ else
+ for (i = 0; i < max; i++)
+ if (outfiles[i])
+ store_arg (outfiles[i], 0, 0);
break;
}
p = handle_braces (p + 1);
if (p == 0)
return -1;
- /* End any pending argument. */
- if (arg_going)
- {
- obstack_1grow (&obstack, 0);
- string = XOBFINISH (&obstack, const char *);
- if (this_is_library_file)
- string = find_file (string);
- store_arg (string, delete_this_arg, this_is_output_file);
- if (this_is_output_file)
- outfiles[input_file_number] = string;
- arg_going = 0;
- }
+ end_going_arg ();
/* If any args were output, mark the last one for deletion
on failure. */
if (argbuf_index != cur_index)
if (!strncmp (switches[i].part1, p, len - have_wildcard)
&& (have_wildcard || switches[i].part1[len] == '\0'))
{
- switches[i].live_cond = SWITCH_IGNORE;
+ switches[i].live_cond |= SWITCH_IGNORE;
switches[i].validated = 1;
}
}
else
{
- char *x = alloca (strlen (name) * 2 + 1);
+ char *x = (char *) alloca (strlen (name) * 2 + 1);
char *buf = x;
const char *y = name;
int flag = 0;
/* End of string. If we are processing a spec function, we need to
end any pending argument. */
- if (processing_spec_function && arg_going)
- {
- obstack_1grow (&obstack, 0);
- string = XOBFINISH (&obstack, const char *);
- if (this_is_library_file)
- string = find_file (string);
- store_arg (string, delete_this_arg, this_is_output_file);
- if (this_is_output_file)
- outfiles[input_file_number] = string;
- arg_going = 0;
- }
+ if (processing_spec_function)
+ end_going_arg ();
return 0;
}
static const struct spec_function *
lookup_spec_function (const char *name)
{
- static const struct spec_function * const spec_function_tables[] =
- {
- static_spec_functions,
- lang_specific_spec_functions,
- };
const struct spec_function *sf;
- unsigned int i;
- for (i = 0; i < ARRAY_SIZE (spec_function_tables); i++)
- {
- for (sf = spec_function_tables[i]; sf->name != NULL; sf++)
- if (strcmp (sf->name, name) == 0)
- return sf;
- }
+ for (sf = static_spec_functions; sf->name != NULL; sf++)
+ if (strcmp (sf->name, name) == 0)
+ return sf;
return NULL;
}
static inline bool
input_suffix_matches (const char *atom, const char *end_atom)
{
- /* We special case the semantics of {.s:...} and {.S:...} and their
- negative variants. Instead of testing the input filename suffix,
- we test whether the input source file is an assembler file or an
- assembler-with-cpp file respectively. This allows us to correctly
- handle the -x command line option. */
-
- if (atom + 1 == end_atom
- && input_file_compiler
- && input_file_compiler->suffix)
- {
- if (*atom == 's')
- return !strcmp (input_file_compiler->suffix, "@assembler");
- if (*atom == 'S')
- return !strcmp (input_file_compiler->suffix, "@assembler-with-cpp");
- }
-
return (input_suffix
&& !strncmp (input_suffix, atom, end_atom - atom)
&& input_suffix[end_atom - atom] == '\0');
}
-/* Inline subroutine of handle_braces. Returns true if a switch
+/* Subroutine of handle_braces. Returns true if the current
+ input file's spec name matches the atom bracketed by ATOM and END_ATOM. */
+static bool
+input_spec_matches (const char *atom, const char *end_atom)
+{
+ return (input_file_compiler
+ && input_file_compiler->suffix
+ && input_file_compiler->suffix[0] != '\0'
+ && !strncmp (input_file_compiler->suffix + 1, atom,
+ end_atom - atom)
+ && input_file_compiler->suffix[end_atom - atom + 1] == '\0');
+}
+
+/* Subroutine of handle_braces. Returns true if a switch
matching the atom bracketed by ATOM and END_ATOM appeared on the
command line. */
-static inline bool
+static bool
switch_matches (const char *atom, const char *end_atom, int starred)
{
int i;
const char *orig = p;
bool a_is_suffix;
+ bool a_is_spectype;
bool a_is_starred;
bool a_is_negated;
bool a_matched;
goto invalid;
/* Scan one "atom" (S in the description above of %{}, possibly
- with !, ., or * modifiers). */
- a_matched = a_is_suffix = a_is_starred = a_is_negated = false;
+ with '!', '.', '@', ',', or '*' modifiers). */
+ a_matched = false;
+ a_is_suffix = false;
+ a_is_starred = false;
+ a_is_negated = false;
+ a_is_spectype = false;
SKIP_WHITE();
if (*p == '!')
SKIP_WHITE();
if (*p == '.')
p++, a_is_suffix = true;
+ else if (*p == ',')
+ p++, a_is_spectype = true;
atom = p;
while (ISIDNUM(*p) || *p == '-' || *p == '+' || *p == '='
/* Substitute the switch(es) indicated by the current atom. */
ordered_set = true;
if (disjunct_set || n_way_choice || a_is_negated || a_is_suffix
- || atom == end_atom)
+ || a_is_spectype || atom == end_atom)
goto invalid;
mark_matching_switches (atom, end_atom, a_is_starred);
if (atom == end_atom)
{
if (!n_way_choice || disj_matched || *p == '|'
- || a_is_negated || a_is_suffix || a_is_starred)
+ || a_is_negated || a_is_suffix || a_is_spectype
+ || a_is_starred)
goto invalid;
/* An empty term may appear as the last choice of an
}
else
{
- if (a_is_suffix && a_is_starred)
- goto invalid;
-
- if (!a_is_starred)
- disj_starred = false;
-
- /* Don't bother testing this atom if we already have a
- match. */
- if (!disj_matched && !n_way_matched)
- {
- if (a_is_suffix)
- a_matched = input_suffix_matches (atom, end_atom);
- else
- a_matched = switch_matches (atom, end_atom, a_is_starred);
-
- if (a_matched != a_is_negated)
- {
- disj_matched = true;
- d_atom = atom;
- d_end_atom = end_atom;
- }
- }
+ if ((a_is_suffix || a_is_spectype) && a_is_starred)
+ goto invalid;
+
+ if (!a_is_starred)
+ disj_starred = false;
+
+ /* Don't bother testing this atom if we already have a
+ match. */
+ if (!disj_matched && !n_way_matched)
+ {
+ if (a_is_suffix)
+ a_matched = input_suffix_matches (atom, end_atom);
+ else if (a_is_spectype)
+ a_matched = input_spec_matches (atom, end_atom);
+ else
+ a_matched = switch_matches (atom, end_atom, a_is_starred);
+
+ if (a_matched != a_is_negated)
+ {
+ disj_matched = true;
+ d_atom = atom;
+ d_end_atom = end_atom;
+ }
+ }
}
if (*p == ':')
while (*p++ != '}');
return p;
-
+
invalid:
fatal ("braced spec '%s' is invalid at '%c'", orig, *p);
-
+
#undef SKIP_WHITE
}
const char *name = switches[switchnum].part1;
int i;
+ /* If we already processed this switch and determined if it was
+ live or not, return our past determination. */
+ if (switches[switchnum].live_cond != 0)
+ return ((switches[switchnum].live_cond & SWITCH_LIVE) != 0
+ && (switches[switchnum].live_cond & SWITCH_FALSE) == 0
+ && (switches[switchnum].live_cond & SWITCH_IGNORE) == 0);
+
/* In the common case of {<at-most-one-letter>*}, a negating
switch would always match, so ignore that case. We will just
send the conflicting switches to the compiler phase. */
if (prefix_length >= 0 && prefix_length <= 1)
return 1;
- /* If we already processed this switch and determined if it was
- live or not, return our past determination. */
- if (switches[switchnum].live_cond != 0)
- return switches[switchnum].live_cond > 0;
-
/* Now search for duplicate in a manner that depends on the name. */
switch (*name)
{
}
/* Otherwise the switch is live. */
- switches[switchnum].live_cond = SWITCH_LIVE;
+ switches[switchnum].live_cond |= SWITCH_LIVE;
return 1;
}
\f
static void
give_switch (int switchnum, int omit_first_word)
{
- if (switches[switchnum].live_cond == SWITCH_IGNORE)
+ if ((switches[switchnum].live_cond & SWITCH_IGNORE) != 0)
return;
if (!omit_first_word)
while (length-- && !IS_DIR_SEPARATOR (arg[length]))
if (arg[length] == '.')
{
- ((char *)arg)[length] = 0;
+ (CONST_CAST(char *, arg))[length] = 0;
dot = 1;
break;
}
do_spec_1 (arg, 1, NULL);
if (dot)
- ((char *)arg)[length] = '.';
+ (CONST_CAST(char *, arg))[length] = '.';
do_spec_1 (suffix_subst, 1, NULL);
}
else
static const char *
find_file (const char *name)
{
- char *newname;
-
- /* Try multilib_dir if it is defined. */
- if (multilib_os_dir != NULL)
- {
- newname = find_a_file (&startfile_prefixes, name, R_OK, 1);
-
- /* If we don't find it in the multi library dir, then fall
- through and look for it in the normal places. */
- if (newname != NULL)
- return newname;
- }
-
- newname = find_a_file (&startfile_prefixes, name, R_OK, 0);
+ char *newname = find_a_file (&startfile_prefixes, name, R_OK, true);
return newname ? newname : name;
}
/* Determine whether a directory exists. If LINKER, return 0 for
- certain fixed names not needed by the linker. If not LINKER, it is
- only important to return 0 if the host machine has a small ARG_MAX
- limit. */
+ certain fixed names not needed by the linker. */
static int
-is_directory (const char *path1, const char *path2, int linker)
+is_directory (const char *path1, bool linker)
{
- int len1 = strlen (path1);
- int len2 = strlen (path2);
- char *path = alloca (3 + len1 + len2);
+ int len1;
+ char *path;
char *cp;
struct stat st;
-#ifndef SMALL_ARG_MAX
- if (! linker)
- return 1;
-#endif
-
- /* Construct the path from the two parts. Ensure the string ends with "/.".
- The resulting path will be a directory even if the given path is a
- symbolic link. */
+ /* Ensure the string ends with "/.". The resulting path will be a
+ directory even if the given path is a symbolic link. */
+ len1 = strlen (path1);
+ path = (char *) alloca (3 + len1);
memcpy (path, path1, len1);
- memcpy (path + len1, path2, len2);
- cp = path + len1 + len2;
+ cp = path + len1;
if (!IS_DIR_SEPARATOR (cp[-1]))
*cp++ = DIR_SEPARATOR;
*cp++ = '.';
/* Exclude directories that the linker is known to search. */
if (linker
+ && IS_DIR_SEPARATOR (path[0])
&& ((cp - path == 6
- && strcmp (path, concat (dir_separator_str, "lib",
- dir_separator_str, ".", NULL)) == 0)
+ && strncmp (path + 1, "lib", 3) == 0)
|| (cp - path == 10
- && strcmp (path, concat (dir_separator_str, "usr",
- dir_separator_str, "lib",
- dir_separator_str, ".", NULL)) == 0)))
+ && strncmp (path + 1, "usr", 3) == 0
+ && IS_DIR_SEPARATOR (path[4])
+ && strncmp (path + 5, "lib", 3) == 0)))
return 0;
return (stat (path, &st) >= 0 && S_ISDIR (st.st_mode));
input_filename = filename;
input_filename_length = strlen (input_filename);
-
- input_basename = input_filename;
-#ifdef HAVE_DOS_BASED_FILE_SYSTEM
- /* Skip drive name so 'x:foo' is handled properly. */
- if (input_basename[1] == ':')
- input_basename += 2;
-#endif
- for (p = input_basename; *p; p++)
- if (IS_DIR_SEPARATOR (*p))
- input_basename = p + 1;
+ input_basename = lbasename (input_filename);
/* Find a suffix starting with the last period,
and set basename_length to exclude that suffix. */
kill (getpid (), signum);
}
-extern int main (int, const char **);
+/* Compare the contents of the two files named CMPFILE[0] and
+ CMPFILE[1]. Return zero if they're identical, nonzero
+ otherwise. */
+
+static int
+compare_files (char *cmpfile[])
+{
+ int ret = 0;
+ FILE *temp[2] = { NULL, NULL };
+ int i;
+
+#if HAVE_MMAP_FILE
+ {
+ size_t length[2];
+ void *map[2] = { NULL, NULL };
+
+ for (i = 0; i < 2; i++)
+ {
+ struct stat st;
+
+ if (stat (cmpfile[i], &st) < 0 || !S_ISREG (st.st_mode))
+ {
+ error ("%s: could not determine length of compare-debug file %s",
+ input_filename, cmpfile[i]);
+ ret = 1;
+ break;
+ }
+
+ length[i] = st.st_size;
+ }
+
+ if (!ret && length[0] != length[1])
+ {
+ error ("%s: -fcompare-debug failure (length)", input_filename);
+ ret = 1;
+ }
+
+ if (!ret)
+ for (i = 0; i < 2; i++)
+ {
+ int fd = open (cmpfile[i], O_RDONLY);
+ if (fd < 0)
+ {
+ error ("%s: could not open compare-debug file %s",
+ input_filename, cmpfile[i]);
+ ret = 1;
+ break;
+ }
+
+ map[i] = mmap (NULL, length[i], PROT_READ, MAP_PRIVATE, fd, 0);
+ close (fd);
+
+ if (map[i] == (void *) MAP_FAILED)
+ {
+ ret = -1;
+ break;
+ }
+ }
+
+ if (!ret)
+ {
+ if (memcmp (map[0], map[1], length[0]) != 0)
+ {
+ error ("%s: -fcompare-debug failure", input_filename);
+ ret = 1;
+ }
+ }
+
+ for (i = 0; i < 2; i++)
+ if (map[i])
+ munmap ((caddr_t) map[i], length[i]);
+
+ if (ret >= 0)
+ return ret;
+
+ ret = 0;
+ }
+#endif
+
+ for (i = 0; i < 2; i++)
+ {
+ temp[i] = fopen (cmpfile[i], "r");
+ if (!temp[i])
+ {
+ error ("%s: could not open compare-debug file %s",
+ input_filename, cmpfile[i]);
+ ret = 1;
+ break;
+ }
+ }
+
+ if (!ret && temp[0] && temp[1])
+ for (;;)
+ {
+ int c0, c1;
+ c0 = fgetc (temp[0]);
+ c1 = fgetc (temp[1]);
+
+ if (c0 != c1)
+ {
+ error ("%s: -fcompare-debug failure",
+ input_filename);
+ ret = 1;
+ break;
+ }
+
+ if (c0 == EOF)
+ break;
+ }
+
+ for (i = 1; i >= 0; i--)
+ {
+ if (temp[i])
+ fclose (temp[i]);
+ }
+
+ return ret;
+}
+
+extern int main (int, char **);
int
-main (int argc, const char **argv)
+main (int argc, char **argv)
{
size_t i;
int value;
char *specs_file;
const char *p;
struct user_specs *uptr;
+ char **old_argv = argv;
+
+ /* Initialize here, not in definition. The IRIX 6 O32 cc sometimes chokes
+ on ?: in file-scope variable initializations. */
+ asm_debug = ASM_DEBUG_SPEC;
p = argv[0] + strlen (argv[0]);
while (p != argv[0] && !IS_DIR_SEPARATOR (p[-1]))
xmalloc_set_program_name (programname);
+ expandargv (&argc, &argv);
+
+ /* Determine if any expansions were made. */
+ if (argv != old_argv)
+ at_file_supplied = true;
+
+ prune_options (&argc, &argv);
+
#ifdef GCC_DRIVER_HOST_INITIALIZATION
/* Perform host dependent initialization when needed. */
GCC_DRIVER_HOST_INITIALIZATION;
obstack_init (&collect_obstack);
obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=") - 1);
obstack_grow (&collect_obstack, argv[0], strlen (argv[0]) + 1);
- putenv (XOBFINISH (&collect_obstack, char *));
+ xputenv (XOBFINISH (&collect_obstack, char *));
#ifdef INIT_ENVIRONMENT
/* Set up any other necessary machine specific environment variables. */
- putenv (INIT_ENVIRONMENT);
+ xputenv (INIT_ENVIRONMENT);
#endif
/* Make a table of what switches there are (switches, n_switches).
Make a table of specified input files (infiles, n_infiles).
Decode switches that are handled locally. */
- process_command (argc, argv);
+ process_command (argc, CONST_CAST2 (const char **, char **, argv));
/* Initialize the vector of specs to just the default.
This means one element containing 0s, as a terminator. */
- compilers = xmalloc (sizeof default_compilers);
+ compilers = XNEWVAR (struct compiler, sizeof default_compilers);
memcpy (compilers, default_compilers, sizeof default_compilers);
n_compilers = n_default_compilers;
spec_version, dir_separator_str, NULL);
just_machine_suffix = concat (spec_machine, dir_separator_str, NULL);
- specs_file = find_a_file (&startfile_prefixes, "specs", R_OK, 0);
+ specs_file = find_a_file (&startfile_prefixes, "specs", R_OK, true);
/* Read the specs file unless it is a default one. */
if (specs_file != 0 && strcmp (specs_file, "specs"))
read_specs (specs_file, TRUE);
/* We need to check standard_exec_prefix/just_machine_suffix/specs
for any override of as, ld and libraries. */
- specs_file = alloca (strlen (standard_exec_prefix)
+ specs_file = (char *) alloca (strlen (standard_exec_prefix)
+ strlen (just_machine_suffix) + sizeof ("specs"));
strcpy (specs_file, standard_exec_prefix);
for (i = 0; i < ARRAY_SIZE (driver_self_specs); i++)
do_self_spec (driver_self_specs[i]);
+ if (compare_debug)
+ {
+ enum save_temps save;
+
+ if (!compare_debug_second)
+ {
+ n_switches_debug_check[1] = n_switches;
+ switches_debug_check[1] = XDUPVEC (struct switchstr, switches,
+ n_switches + 1);
+
+ do_self_spec ("%:compare-debug-self-opt()");
+ n_switches_debug_check[0] = n_switches;
+ switches_debug_check[0] = switches;
+
+ n_switches = n_switches_debug_check[1];
+ switches = switches_debug_check[1];
+ }
+
+ /* Avoid crash when computing %j in this early. */
+ save = save_temps_flag;
+ save_temps_flag = SAVE_TEMPS_NONE;
+
+ compare_debug = -compare_debug;
+ do_self_spec ("%:compare-debug-self-opt()");
+
+ save_temps_flag = save;
+
+ if (!compare_debug_second)
+ {
+ n_switches_debug_check[1] = n_switches;
+ switches_debug_check[1] = switches;
+ compare_debug = -compare_debug;
+ n_switches = n_switches_debug_check[0];
+ switches = switches_debug_check[0];
+ }
+ }
+
/* If not cross-compiling, look for executables in the standard
places. */
if (*cross_compile == '0')
PREFIX_PRIORITY_LAST, 0, 1);
else if (*cross_compile == '0')
{
- if (gcc_exec_prefix)
- add_prefix (&startfile_prefixes,
- concat (gcc_exec_prefix, machine_suffix,
- standard_startfile_prefix, NULL),
- NULL, PREFIX_PRIORITY_LAST, 0, 1);
add_prefix (&startfile_prefixes,
- concat (standard_exec_prefix,
- machine_suffix,
+ concat (gcc_exec_prefix
+ ? gcc_exec_prefix : standard_exec_prefix,
+ machine_suffix,
standard_startfile_prefix, NULL),
NULL, PREFIX_PRIORITY_LAST, 0, 1);
}
+ /* Sysrooted prefixes are relocated because target_system_root is
+ also relocated by gcc_exec_prefix. */
if (*standard_startfile_prefix_1)
add_sysrooted_prefix (&startfile_prefixes,
standard_startfile_prefix_1, "BINUTILS",
for (uptr = user_specs_head; uptr; uptr = uptr->next)
{
char *filename = find_a_file (&startfile_prefixes, uptr->filename,
- R_OK, 0);
+ R_OK, true);
read_specs (filename ? filename : uptr->filename, FALSE);
}
if (print_search_dirs)
{
- printf (_("install: %s%s\n"), standard_exec_prefix, machine_suffix);
- printf (_("programs: %s\n"), build_search_list (&exec_prefixes, "", 0));
- printf (_("libraries: %s\n"), build_search_list (&startfile_prefixes, "", 0));
+ printf (_("install: %s%s\n"),
+ gcc_exec_prefix ? gcc_exec_prefix : standard_exec_prefix,
+ gcc_exec_prefix ? "" : machine_suffix);
+ printf (_("programs: %s\n"),
+ build_search_list (&exec_prefixes, "", false, false));
+ printf (_("libraries: %s\n"),
+ build_search_list (&startfile_prefixes, "", false, true));
return (0);
}
return (0);
}
+ if (print_sysroot)
+ {
+ if (target_system_root)
+ {
+ if (target_sysroot_suffix)
+ printf ("%s%s\n", target_system_root, target_sysroot_suffix);
+ else
+ printf ("%s\n", target_system_root);
+ }
+ return (0);
+ }
+
if (print_multi_os_directory)
{
if (multilib_os_dir == NULL)
return (0);
}
- if (target_help_flag)
- {
- /* Print if any target specific options. */
-
- /* We do not exit here. Instead we have created a fake input file
- called 'target-dummy' which needs to be compiled, and we pass this
- on to the various sub-processes, along with the --target-help
- switch. */
+ if (print_sysroot_headers_suffix)
+ {
+ if (*sysroot_hdrs_suffix_spec)
+ {
+ printf("%s\n", (target_sysroot_hdrs_suffix
+ ? target_sysroot_hdrs_suffix
+ : ""));
+ return (0);
+ }
+ else
+ /* The error status indicates that only one set of fixed
+ headers should be built. */
+ fatal ("not configured with sysroot headers suffix");
}
if (print_help_list)
/* We do not exit here. Instead we have created a fake input file
called 'help-dummy' which needs to be compiled, and we pass this
- on the various sub-processes, along with the --help switch. */
+ on the various sub-processes, along with the --help switch.
+ Ensure their output appears after ours. */
+ fputc ('\n', stdout);
+ fflush (stdout);
+ }
+
+ if (print_version)
+ {
+ printf (_("%s %s%s\n"), programname, pkgversion_string,
+ version_string);
+ printf ("Copyright %s 2009 Free Software Foundation, Inc.\n",
+ _("(C)"));
+ fputs (_("This is free software; see the source for copying conditions. There is NO\n\
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"),
+ stdout);
+ if (! verbose_flag)
+ return 0;
+
+ /* We do not exit here. We use the same mechanism of --help to print
+ the version of the sub-processes. */
+ fputc ('\n', stdout);
+ fflush (stdout);
}
if (verbose_flag)
if (! strncmp (version_string, compiler_version, n)
&& compiler_version[n] == 0)
- notice ("gcc version %s\n", version_string);
+ notice ("gcc version %s %s\n", version_string, pkgversion_string);
else
- notice ("gcc driver version %s executing gcc version %s\n",
- version_string, compiler_version);
+ notice ("gcc driver version %s %sexecuting gcc version %s\n",
+ version_string, pkgversion_string, compiler_version);
if (n_infiles == 0)
return (0);
i = n_infiles;
i += lang_specific_extra_outfiles;
- outfiles = xcalloc (i, sizeof (char *));
+ outfiles = XCNEWVEC (const char *, i);
/* Record which files were specified explicitly as link input. */
- explicit_link_files = xcalloc (1, n_infiles);
+ explicit_link_files = XCNEWVEC (char, n_infiles);
if (combine_flag)
combine_inputs = true;
for (i = 0; (int) i < n_infiles; i++)
{
const char *name = infiles[i].name;
- struct compiler *compiler = lookup_compiler (name,
- strlen (name),
+ struct compiler *compiler = lookup_compiler (name,
+ strlen (name),
infiles[i].language);
-
+
if (compiler && !(compiler->combinable))
combine_inputs = false;
-
+
if (lang_n_infiles > 0 && compiler != input_file_compiler
&& infiles[i].language && infiles[i].language[0] != '*')
infiles[i].incompiler = compiler;
infiles[i].compiled = false;
infiles[i].preprocessed = false;
}
-
+
+ if (!combine_inputs && have_c && have_o && lang_n_infiles > 1)
+ fatal ("cannot specify -o with -c or -S with multiple files");
+
if (combine_flag && save_temps_flag)
{
bool save_combine_inputs = combine_inputs;
for (i = 0; (int) i < n_infiles; i++)
{
int this_file_error = 0;
-
+
input_file_number = i;
set_input (infiles[i].name);
if (infiles[i].incompiler
}
else
{
+ if (compare_debug)
+ {
+ if (debug_check_temp_file[0])
+ free (debug_check_temp_file[0]);
+ debug_check_temp_file[0] = NULL;
+
+ if (debug_check_temp_file[1])
+ free (debug_check_temp_file[1]);
+ debug_check_temp_file[1] = NULL;
+ }
+
value = do_spec (input_file_compiler->spec);
infiles[i].compiled = true;
if (value < 0)
this_file_error = 1;
+ else if (compare_debug && debug_check_temp_file[0])
+ {
+ if (verbose_flag)
+ error ("Recompiling with -fcompare-debug");
+
+ compare_debug = -compare_debug;
+ n_switches = n_switches_debug_check[1];
+ switches = switches_debug_check[1];
+
+ value = do_spec (input_file_compiler->spec);
+
+ compare_debug = -compare_debug;
+ n_switches = n_switches_debug_check[0];
+ switches = switches_debug_check[0];
+
+ if (value < 0)
+ {
+ error ("during -fcompare-debug recompilation");
+ this_file_error = 1;
+ }
+
+ gcc_assert (debug_check_temp_file[1]
+ && strcmp (debug_check_temp_file[0],
+ debug_check_temp_file[1]));
+
+ if (verbose_flag)
+ error ("Comparing final insns dumps");
+
+ if (compare_files (debug_check_temp_file))
+ this_file_error = 1;
+ }
+
+ if (compare_debug)
+ {
+ if (debug_check_temp_file[0])
+ free (debug_check_temp_file[0]);
+ debug_check_temp_file[0] = NULL;
+
+ if (debug_check_temp_file[1])
+ free (debug_check_temp_file[1]);
+ debug_check_temp_file[1] = NULL;
+ }
}
}
/* Reset the input file name to the first compile/object file name, for use
with %b in LINK_SPEC. We use the first input file that we can find
- a compiler to compile it instead of using infiles.language since for
+ a compiler to compile it instead of using infiles.language since for
languages other than C we use aliases that we then lookup later. */
if (n_infiles > 0)
{
/* Run ld to link all the compiler output files. */
- if (num_linker_inputs > 0 && error_count == 0)
+ if (num_linker_inputs > 0 && error_count == 0 && print_subprocess_help < 2)
{
int tmp = execution_count;
/* We'll use ld if we can't find collect2. */
if (! strcmp (linker_name_spec, "collect2"))
{
- char *s = find_a_file (&exec_prefixes, "collect2", X_OK, 0);
+ char *s = find_a_file (&exec_prefixes, "collect2", X_OK, false);
if (s == NULL)
linker_name_spec = "ld";
}
/* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables
for collect. */
- putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH");
- putenv_from_prefixes (&startfile_prefixes, LIBRARY_PATH_ENV);
+ putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH", false);
+ putenv_from_prefixes (&startfile_prefixes, LIBRARY_PATH_ENV, true);
+ if (print_subprocess_help == 1)
+ {
+ printf (_("\nLinker options\n==============\n\n"));
+ printf (_("Use \"-Wl,OPTION\" to pass \"OPTION\""
+ " to the linker.\n\n"));
+ fflush (stdout);
+ }
value = do_spec (link_command_spec);
if (value < 0)
error_count = 1;
if (! linker_was_run && error_count == 0)
for (i = 0; (int) i < n_infiles; i++)
- if (explicit_link_files[i])
+ if (explicit_link_files[i]
+ && !(infiles[i].language && infiles[i].language[0] == '*'))
error ("%s: linker input file unused because linking not done",
outfiles[i]);
static char *
save_string (const char *s, int len)
{
- char *result = xmalloc (len + 1);
+ char *result = XNEWVEC (char, len + 1);
memcpy (result, s, len);
result[len] = 0;
void
fancy_abort (const char *file, int line, const char *func)
{
- fatal ("internal gcc abort in %s, at %s:%d", func, file, line);
+ fatal_ice ("internal gcc abort in %s, at %s:%d", func, file, line);
}
\f
/* Output an error message and exit. */
void
+fatal_ice (const char *cmsgid, ...)
+{
+ va_list ap;
+
+ va_start (ap, cmsgid);
+
+ fprintf (stderr, "%s: ", programname);
+ vfprintf (stderr, _(cmsgid), ap);
+ va_end (ap);
+ fprintf (stderr, "\n");
+ delete_temp_files ();
+ exit (pass_exit_codes ? ICE_EXIT_CODE : 1);
+}
+
+void
fatal (const char *cmsgid, ...)
{
va_list ap;
p++;
SKIP_WHITE ();
- if (*p == '.')
+ if (*p == '.' || *p == ',')
suffix = true, p++;
atom = p;
if (*q == ';')
cnt++;
- matches = alloca ((sizeof (struct mswitchstr)) * cnt);
+ matches
+ = (struct mswitchstr *) alloca ((sizeof (struct mswitchstr)) * cnt);
i = 0;
q = multilib_matches;
while (*q != '\0')
xmalloc from calling fatal, and prevents us from re-executing this
block of code. */
mswitches
- = xmalloc (sizeof (struct mswitchstr)
- * (n_mdswitches + (n_switches ? n_switches : 1)));
+ = XNEWVEC (struct mswitchstr, n_mdswitches + (n_switches ? n_switches : 1));
for (i = 0; i < n_switches; i++)
- if (switches[i].live_cond != SWITCH_IGNORE)
+ if ((switches[i].live_cond & SWITCH_IGNORE) == 0)
{
int xlen = strlen (switches[i].part1);
for (j = 0; j < cnt; j++)
{
int i = 0;
- mdswitches = xmalloc (sizeof (struct mdswitchstr) * n_mdswitches);
+ mdswitches = XNEWVEC (struct mdswitchstr, n_mdswitches);
for (start = multilib_defaults; *start != '\0'; start = end + 1)
{
while (*start == ' ' || *start == '\t')
if (this_path_len != 1
|| this_path[0] != '.')
{
- char *new_multilib_dir = xmalloc (this_path_len + 1);
+ char *new_multilib_dir = XNEWVEC (char, this_path_len + 1);
char *q;
strncpy (new_multilib_dir, this_path, this_path_len);
q++;
if (q < end)
{
- char *new_multilib_os_dir = xmalloc (end - q);
+ char *new_multilib_os_dir = XNEWVEC (char, end - q);
memcpy (new_multilib_os_dir, q + 1, end - q - 1);
new_multilib_os_dir[end - q - 1] = '\0';
multilib_os_dir = new_multilib_os_dir;
if (multilib_dir == NULL && multilib_os_dir != NULL
&& strcmp (multilib_os_dir, ".") == 0)
{
- free ((char *) multilib_os_dir);
+ free (CONST_CAST (char *, multilib_os_dir));
multilib_os_dir = NULL;
}
else if (multilib_dir != NULL && multilib_os_dir == NULL)
invalid_select:
fatal ("multilib select '%s' is invalid", multilib_select);
}
-
+
++p;
}
}
}
\f
+/* getenv built-in spec function.
+
+ Returns the value of the environment variable given by its first
+ argument, concatenated with the second argument. If the
+ environment variable is not defined, a fatal error is issued. */
+
+static const char *
+getenv_spec_function (int argc, const char **argv)
+{
+ char *value;
+ char *result;
+ char *ptr;
+ size_t len;
+
+ if (argc != 2)
+ return NULL;
+
+ value = getenv (argv[0]);
+ if (!value)
+ fatal ("environment variable \"%s\" not defined", argv[0]);
+
+ /* We have to escape every character of the environment variable so
+ they are not interpreted as active spec characters. A
+ particularly painful case is when we are reading a variable
+ holding a windows path complete with \ separators. */
+ len = strlen (value) * 2 + strlen (argv[1]) + 1;
+ result = XNEWVAR (char, len);
+ for (ptr = result; *value; ptr += 2)
+ {
+ ptr[0] = '\\';
+ ptr[1] = *value++;
+ }
+
+ strcpy (ptr, argv[1]);
+
+ return result;
+}
+
/* if-exists built-in spec function.
Checks to see if the file specified by the absolute pathname in
/* Must have exactly two arguments. */
if (argc != 2)
abort ();
-
+
for (i = 0; i < n_infiles; i++)
{
if (outfiles[i] && !strcmp (outfiles[i], argv[0]))
return NULL;
}
-/* Given two version numbers, compares the two numbers.
+/* Given two version numbers, compares the two numbers.
A version number must match the regular expression
([1-9][0-9]*|0)(\.([1-9][0-9]*|0))*
*/
{
int rresult;
regex_t r;
-
+
if (regcomp (&r, "^([1-9][0-9]*|0)(\\.([1-9][0-9]*|0))*$",
REG_EXTENDED | REG_NOSUB) != 0)
abort ();
and nothing if it doesn't.
The supported <comparison-op> values are:
-
+
>= true if switch is a later (or same) version than arg1
!> opposite of >=
< true if switch is an earlier version than arg1
bool result;
if (argc < 3)
- abort ();
+ fatal ("too few arguments to %%:version-compare");
if (argv[0][0] == '\0')
abort ();
if ((argv[0][1] == '<' || argv[0][1] == '>') && argv[0][0] != '!')
nargs = 2;
if (argc != nargs + 3)
- abort ();
+ fatal ("too many arguments to %%:version-compare");
switch_len = strlen (argv[nargs + 1]);
for (i = 0; i < n_switches; i++)
case '<' << 8 | '>':
result = comp1 < 0 || comp2 >= 0;
break;
-
+
default:
- abort ();
+ fatal ("unknown operator '%s' in %%:version-compare", argv[0]);
}
if (! result)
return NULL;
return argv[nargs + 2];
}
+
+/* %:include builtin spec function. This differs from %include in that it
+ can be nested inside a spec, and thus be conditionalized. It takes
+ one argument, the filename, and looks for it in the startfile path.
+ The result is always NULL, i.e. an empty expansion. */
+
+static const char *
+include_spec_function (int argc, const char **argv)
+{
+ char *file;
+
+ if (argc != 1)
+ abort ();
+
+ file = find_a_file (&startfile_prefixes, argv[0], R_OK, true);
+ read_specs (file ? file : argv[0], FALSE);
+
+ return NULL;
+}
+
+/* %:print-asm-header spec function. Print a banner to say that the
+ following output is from the assembler. */
+
+static const char *
+print_asm_header_spec_function (int arg ATTRIBUTE_UNUSED,
+ const char **argv ATTRIBUTE_UNUSED)
+{
+ printf (_("Assembler options\n=================\n\n"));
+ printf (_("Use \"-Wa,OPTION\" to pass \"OPTION\" to the assembler.\n\n"));
+ fflush (stdout);
+ return NULL;
+}
+
+/* %:compare-debug-dump-opt spec function. Save the last argument,
+ expected to be the last -fdump-final-insns option, or generate a
+ temporary. */
+
+static const char *
+compare_debug_dump_opt_spec_function (int arg,
+ const char **argv ATTRIBUTE_UNUSED)
+{
+ const char *ret;
+ char *name;
+ int which;
+
+ if (arg != 0)
+ fatal ("too many arguments to %%:compare-debug-dump-opt");
+
+ if (!compare_debug)
+ return NULL;
+
+ do_spec_2 ("%{fdump-final-insns=*:%*}");
+ do_spec_1 (" ", 0, NULL);
+
+ if (argbuf_index > 0)
+ {
+ name = xstrdup (argv[argbuf_index - 1]);
+ ret = NULL;
+ }
+ else
+ {
+#define OPT "-fdump-final-insns="
+ ret = "-fdump-final-insns=%g.gkd";
+
+ do_spec_2 (ret + sizeof (OPT) - 1);
+ do_spec_1 (" ", 0, NULL);
+#undef OPT
+
+ gcc_assert (argbuf_index > 0);
+
+ name = xstrdup (argbuf[argbuf_index - 1]);
+ }
+
+ which = compare_debug < 0;
+ debug_check_temp_file[which] = name;
+
+#if 0
+ error ("compare-debug: [%i]=\"%s\", ret %s", which, name, ret);
+#endif
+
+ return ret;
+}
+
+static const char *debug_auxbase_opt;
+
+/* %:compare-debug-self-opt spec function. Expands to the options
+ that are to be passed in the second compilation of
+ compare-debug. */
+
+static const char *
+compare_debug_self_opt_spec_function (int arg,
+ const char **argv ATTRIBUTE_UNUSED)
+{
+ if (arg != 0)
+ fatal ("too many arguments to %%:compare-debug-self-opt");
+
+ if (compare_debug >= 0)
+ return NULL;
+
+ do_spec_2 ("%{c|S:%{o*:%*}}");
+ do_spec_1 (" ", 0, NULL);
+
+ if (argbuf_index > 0)
+ debug_auxbase_opt = concat ("-auxbase-strip ",
+ argbuf[argbuf_index - 1],
+ NULL);
+ else
+ debug_auxbase_opt = NULL;
+
+ return concat ("\
+%<o %<MD %<MMD %<MF* %<MG %<MP %<MQ* %<MT* \
+%<fdump-final-insns=* -w -S -o %j \
+%{!fcompare-debug-second:-fcompare-debug-second} \
+", compare_debug_opt, NULL);
+}
+
+/* %:compare-debug-auxbase-opt spec function. Expands to the auxbase
+ options that are to be passed in the second compilation of
+ compare-debug. It expects, as an argument, the basename of the
+ current input file name, with the .gk suffix appended to it. */
+
+static const char *
+compare_debug_auxbase_opt_spec_function (int arg,
+ const char **argv)
+{
+ char *name;
+ int len;
+
+ if (arg == 0)
+ fatal ("too few arguments to %%:compare-debug-auxbase-opt");
+
+ if (arg != 1)
+ fatal ("too many arguments to %%:compare-debug-auxbase-opt");
+
+ if (compare_debug >= 0)
+ return NULL;
+
+ len = strlen (argv[0]);
+ if (len < 3 || strcmp (argv[0] + len - 3, ".gk") != 0)
+ fatal ("argument to %%:compare-debug-auxbase-opt does not end in .gk");
+
+ if (debug_auxbase_opt)
+ return debug_auxbase_opt;
+
+#define OPT "-auxbase "
+
+ len -= 3;
+ name = (char*) xmalloc (sizeof (OPT) + len);
+ memcpy (name, OPT, sizeof (OPT) - 1);
+ memcpy (name + sizeof (OPT) - 1, argv[0], len);
+ name[sizeof (OPT) - 1 + len] = '\0';
+
+ return name;
+}
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