/* Target definitions for GNU compiler for PowerPC running System V.4
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005 Free Software Foundation, Inc.
+ 2004, 2005, 2006 Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file is part of GCC.
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, 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA. */
+ Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+ MA 02110-1301, USA. */
/* Header files should be C++ aware in general. */
#undef NO_IMPLICIT_EXTERN_C
#define TARGET_NO_TOC (! TARGET_TOC)
#define TARGET_NO_EABI (! TARGET_EABI)
+#ifdef HAVE_AS_REL16
+#undef TARGET_SECURE_PLT
+#define TARGET_SECURE_PLT secure_plt
+#endif
+
extern const char *rs6000_abi_name;
extern const char *rs6000_sdata_name;
extern const char *rs6000_tls_size_string; /* For -mtls-size= */
error ("-mcall-aixdesc must be big endian"); \
} \
\
+ if (TARGET_SECURE_PLT != secure_plt) \
+ { \
+ error ("-msecure-plt not supported by your assembler"); \
+ } \
+ \
+ if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128 \
+ && rs6000_explicit_options.long_double) \
+ warning (0, "-msoft-float and -mlong-double-128 not supported"); \
+ \
/* Treat -fPIC the same as -mrelocatable. */ \
if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX) \
- target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC; \
+ { \
+ target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC; \
+ TARGET_NO_FP_IN_TOC = 1; \
+ } \
\
else if (TARGET_RELOCATABLE) \
flag_pic = 2; \
so it is not available to the normal user. */
#define FIXED_R13 1
-/* Size of the V.4 varargs area if needed. */
-/* Override rs6000.h definition. */
-#undef RS6000_VARARGS_AREA
-#define RS6000_VARARGS_AREA (current_function_stdarg ? RS6000_VARARGS_SIZE : 0)
-
/* Override default big endianism definitions in rs6000.h. */
#undef BYTES_BIG_ENDIAN
#undef WORDS_BIG_ENDIAN
((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE) \
? 128 : COMPUTED)
-/* Define this macro as an expression for the alignment of a type
- (given by TYPE as a tree node) if the alignment computed in the
- usual way is COMPUTED and the alignment explicitly specified was
- SPECIFIED. */
-#define ROUND_TYPE_ALIGN(TYPE, COMPUTED, SPECIFIED) \
- ((TARGET_ALTIVEC && TREE_CODE (TYPE) == VECTOR_TYPE) \
- ? MAX (MAX ((COMPUTED), (SPECIFIED)), 128) \
- : MAX (COMPUTED, SPECIFIED))
-
#undef BIGGEST_FIELD_ALIGNMENT
/* Use ELF style section commands. */
#define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\""
#define SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits"
-/* Besides the usual ELF sections, we need a toc section. */
-/* Override elfos.h definition. */
-#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_toc, in_sdata, in_sdata2, in_sbss, in_init, in_fini
-
-/* Override elfos.h definition. */
-#undef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS \
- TOC_SECTION_FUNCTION \
- SDATA_SECTION_FUNCTION \
- SDATA2_SECTION_FUNCTION \
- SBSS_SECTION_FUNCTION \
- INIT_SECTION_FUNCTION \
- FINI_SECTION_FUNCTION
-
-#define TOC_SECTION_FUNCTION \
-void \
-toc_section (void) \
-{ \
- if (in_section != in_toc) \
- { \
- in_section = in_toc; \
- if (DEFAULT_ABI == ABI_AIX \
- && TARGET_MINIMAL_TOC \
- && !TARGET_RELOCATABLE) \
- { \
- if (! toc_initialized) \
- { \
- toc_initialized = 1; \
- fprintf (asm_out_file, "%s\n", TOC_SECTION_ASM_OP); \
- (*targetm.asm_out.internal_label) (asm_out_file, "LCTOC", 0); \
- fprintf (asm_out_file, "\t.tc "); \
- ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1[TC],"); \
- ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
- fprintf (asm_out_file, "\n"); \
- \
- fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
- ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
- fprintf (asm_out_file, " = .+32768\n"); \
- } \
- else \
- fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
- } \
- else if (DEFAULT_ABI == ABI_AIX && !TARGET_RELOCATABLE) \
- fprintf (asm_out_file, "%s\n", TOC_SECTION_ASM_OP); \
- else \
- { \
- fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
- if (! toc_initialized) \
- { \
- ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
- fprintf (asm_out_file, " = .+32768\n"); \
- toc_initialized = 1; \
- } \
- } \
- } \
-} \
- \
-extern int in_toc_section (void); \
-int in_toc_section (void) \
-{ \
- return in_section == in_toc; \
-}
-
-#define SDATA_SECTION_FUNCTION \
-void \
-sdata_section (void) \
-{ \
- if (in_section != in_sdata) \
- { \
- in_section = in_sdata; \
- fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP); \
- } \
-}
-
-#define SDATA2_SECTION_FUNCTION \
-void \
-sdata2_section (void) \
-{ \
- if (in_section != in_sdata2) \
- { \
- in_section = in_sdata2; \
- fprintf (asm_out_file, "%s\n", SDATA2_SECTION_ASM_OP); \
- } \
-}
-
-#define SBSS_SECTION_FUNCTION \
-void \
-sbss_section (void) \
-{ \
- if (in_section != in_sbss) \
- { \
- in_section = in_sbss; \
- fprintf (asm_out_file, "%s\n", SBSS_SECTION_ASM_OP); \
- } \
-}
-
-#define INIT_SECTION_FUNCTION \
-void \
-init_section (void) \
-{ \
- if (in_section != in_init) \
- { \
- in_section = in_init; \
- fprintf (asm_out_file, "%s\n", INIT_SECTION_ASM_OP); \
- } \
-}
-
-#define FINI_SECTION_FUNCTION \
-void \
-fini_section (void) \
-{ \
- if (in_section != in_fini) \
- { \
- in_section = in_fini; \
- fprintf (asm_out_file, "%s\n", FINI_SECTION_ASM_OP); \
- } \
-}
-
/* Override default elf definitions. */
+#define TARGET_ASM_INIT_SECTIONS rs6000_elf_asm_init_sections
#undef TARGET_ASM_SELECT_RTX_SECTION
#define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section
#undef TARGET_ASM_SELECT_SECTION
|| (!TARGET_NO_FP_IN_TOC \
&& !TARGET_RELOCATABLE \
&& GET_CODE (X) == CONST_DOUBLE \
- && GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT \
+ && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \
&& BITS_PER_WORD == HOST_BITS_PER_INT)))
/* These macros generate the special .type and .size directives which
#define LCOMM_ASM_OP "\t.lcomm\t"
-/* Override elfos.h definition. */
-#undef ASM_OUTPUT_ALIGNED_LOCAL
-#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
+/* Describe how to emit uninitialized local items. */
+#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
do { \
- if (rs6000_sdata != SDATA_NONE && (SIZE) > 0 \
- && (SIZE) <= g_switch_value) \
+ if ((DECL) && rs6000_elf_in_small_data_p (DECL)) \
{ \
- sbss_section (); \
+ switch_to_section (sbss_section); \
ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT)); \
ASM_OUTPUT_LABEL (FILE, NAME); \
ASM_OUTPUT_SKIP (FILE, SIZE); \
/* Describe how to emit uninitialized external linkage items. */
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
do { \
- ASM_OUTPUT_ALIGNED_LOCAL (FILE, NAME, SIZE, ALIGN); \
+ ASM_OUTPUT_ALIGNED_DECL_LOCAL (FILE, DECL, NAME, SIZE, ALIGN); \
} while (0)
#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
#define TARGET_OS_SYSV_CPP_BUILTINS() \
do \
{ \
- if (flag_pic == 1) \
- { \
- builtin_define ("__pic__=1"); \
- builtin_define ("__PIC__=1"); \
- } \
- else if (flag_pic == 2) \
- { \
- builtin_define ("__pic__=2"); \
- builtin_define ("__PIC__=2"); \
- } \
if (target_flags_explicit \
& MASK_RELOCATABLE) \
builtin_define ("_RELOCATABLE"); \
#define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_big)"
+#ifndef CC1_SECURE_PLT_DEFAULT_SPEC
+#define CC1_SECURE_PLT_DEFAULT_SPEC ""
+#endif
+
/* Pass -G xxx to the compiler and set correct endian mode. */
#define CC1_SPEC "%{G*} \
%{mlittle|mlittle-endian: %(cc1_endian_little); \
mcall-gnu : -mbig %(cc1_endian_big); \
mcall-i960-old : -mlittle %(cc1_endian_little); \
: %(cc1_endian_default)} \
-%{mno-sdata: -msdata=none } \
%{meabi: %{!mcall-*: -mcall-sysv }} \
%{!meabi: %{!mno-eabi: \
%{mrelocatable: -meabi } \
%{mcall-openbsd: -mno-eabi }}} \
%{msdata: -msdata=default} \
%{mno-sdata: -msdata=none} \
+%{!mbss-plt: %{!msecure-plt: %(cc1_secure_plt_default)}} \
%{profile: -p}"
/* Don't put -Y P,<path> for cross compilers. */
#define LINK_OS_FREEBSD_SPEC "\
%{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \
- %{Wl,*:%*} \
%{v:-V} \
%{assert*} %{R*} %{rpath*} %{defsym*} \
%{shared:-Bshareable %{h*} %{soname*}} \
#define LINK_START_LINUX_SPEC ""
+#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
+#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#if UCLIBC_DEFAULT
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
+#else
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
+#endif
+#define LINUX_DYNAMIC_LINKER \
+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
+
#define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
%{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}"
+ %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}}}"
#if defined(HAVE_LD_EH_FRAME_HDR)
# define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
{ "cc1_endian_big", CC1_ENDIAN_BIG_SPEC }, \
{ "cc1_endian_little", CC1_ENDIAN_LITTLE_SPEC }, \
{ "cc1_endian_default", CC1_ENDIAN_DEFAULT_SPEC }, \
+ { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \
{ "cpp_os_ads", CPP_OS_ADS_SPEC }, \
{ "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \
{ "cpp_os_mvme", CPP_OS_MVME_SPEC }, \
? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) \
: DW_EH_PE_absptr)
-#define TARGET_ASM_EXCEPTION_SECTION readonly_data_section
-
#define DOUBLE_INT_ASM_OP "\t.quad\t"
/* Generate entries in .fixup for relocatable addresses. */
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