#include "reload.h"
#include "output.h"
#include "toplev.h"
+#include "ggc.h"
#include "tm_p.h"
-
-/* Mips systems use the SDB functions to dump out symbols, but do not
- supply usable syms.h include files. Which syms.h file to use is a
- target parameter so don't use the native one if we're cross compiling. */
-
-#if defined(USG) && !defined(MIPS) && !defined (hpux) && !defined(_WIN32) && !defined(__linux__) && !defined(__INTERIX) && !defined(CROSS_COMPILE)
-#include <syms.h>
-/* Use T_INT if we don't have T_VOID. */
-#ifndef T_VOID
-#define T_VOID T_INT
-#endif
-#else
#include "gsyms.h"
-#endif
-
-/* #include <storclass.h> used to be this instead of syms.h. */
+#include "debug.h"
/* 1 if PARM is passed to this function in memory. */
#include "sdbout.h"
+static void sdbout_init PARAMS ((const char *));
+static void sdbout_finish PARAMS ((const char *));
+static void sdbout_start_source_file PARAMS ((unsigned, const char *));
+static void sdbout_end_source_file PARAMS ((unsigned));
+static void sdbout_begin_block PARAMS ((unsigned, unsigned));
+static void sdbout_end_block PARAMS ((unsigned, unsigned));
+static void sdbout_source_line PARAMS ((unsigned int, const char *));
+static void sdbout_end_epilogue PARAMS ((void));
+static void sdbout_global_decl PARAMS ((tree));
+#ifndef MIPS_DEBUGGING_INFO
+static void sdbout_begin_prologue PARAMS ((unsigned int, const char *));
+#endif
+static void sdbout_end_prologue PARAMS ((unsigned int));
+static void sdbout_begin_function PARAMS ((tree));
+static void sdbout_end_function PARAMS ((unsigned int));
+static void sdbout_toplevel_data PARAMS ((tree));
+static void sdbout_label PARAMS ((rtx));
static char *gen_fake_label PARAMS ((void));
static int plain_type PARAMS ((tree));
static int template_name_p PARAMS ((tree));
static void sdbout_one_type PARAMS ((tree));
static void sdbout_parms PARAMS ((tree));
static void sdbout_reg_parms PARAMS ((tree));
+static void sdbout_global_decl PARAMS ((tree));
\f
/* Random macros describing parts of SDB data. */
SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM)
#endif
-#ifndef PUT_SDB_EPILOGUE_END
-#define PUT_SDB_EPILOGUE_END(NAME) \
-do { fprintf (asm_out_file, "\t.def\t"); \
- assemble_name (asm_out_file, NAME); \
- fprintf (asm_out_file, \
- "%s\t.val\t.%s\t.scl\t-1%s\t.endef\n", \
- SDB_DELIM, SDB_DELIM, SDB_DELIM); } while (0)
-#endif
-
#ifndef SDB_GENERATE_FAKE
#define SDB_GENERATE_FAKE(BUFFER, NUMBER) \
sprintf ((BUFFER), ".%dfake", (NUMBER));
#endif /* MIPS_DEBUGGING_INFO */
\f
-/* Set up for SDB output at the start of compilation. */
-
-void
-sdbout_init (asm_file, input_file_name, syms)
- FILE *asm_file ATTRIBUTE_UNUSED;
- const char *input_file_name ATTRIBUTE_UNUSED;
- tree syms ATTRIBUTE_UNUSED;
+/* The debug hooks structure. */
+struct gcc_debug_hooks sdb_debug_hooks =
{
+ sdbout_init, /* init */
+ sdbout_finish, /* finish */
+ debug_nothing_int_charstar, /* define */
+ debug_nothing_int_charstar, /* undef */
+ sdbout_start_source_file, /* start_source_file */
+ sdbout_end_source_file, /* end_source_file */
+ sdbout_begin_block, /* begin_block */
+ sdbout_end_block, /* end_block */
+ debug_true_tree, /* ignore_block */
+ sdbout_source_line, /* source_line */
#ifdef MIPS_DEBUGGING_INFO
- current_file = (struct sdb_file *) xmalloc (sizeof *current_file);
- current_file->next = NULL;
- current_file->name = input_file_name;
+ /* Defer on MIPS systems so that parameter descriptions follow
+ function entry. */
+ debug_nothing_int_charstar, /* begin_prologue */
+ sdbout_end_prologue, /* end_prologue */
+#else
+ sdbout_begin_prologue, /* begin_prologue */
+ debug_nothing_int, /* end_prologue */
#endif
-
-#ifdef RMS_QUICK_HACK_1
- tree t;
- for (t = syms; t; t = TREE_CHAIN (t))
- if (DECL_NAME (t) && IDENTIFIER_POINTER (DECL_NAME (t)) != 0
- && !strcmp (IDENTIFIER_POINTER (DECL_NAME (t)), "__vtbl_ptr_type"))
- sdbout_symbol (t, 0);
-#endif
-}
-
+ sdbout_end_epilogue, /* end_epilogue */
+ sdbout_begin_function, /* begin_function */
+ sdbout_end_function, /* end_function */
+ debug_nothing_tree, /* function_decl */
+ sdbout_global_decl, /* global_decl */
+ debug_nothing_tree, /* deferred_inline_function */
+ debug_nothing_tree, /* outlining_inline_function */
+ sdbout_label
+};
+\f
#if 0
/* return the tag identifier for type
/* If there was an error in the declaration, don't dump core
if there is no RTL associated with the variable doesn't
exist. */
- if (DECL_RTL (decl) == 0)
+ if (!DECL_RTL_SET_P (decl))
return;
- DECL_RTL (decl) = eliminate_regs (DECL_RTL (decl), 0, NULL_RTX);
+ SET_DECL_RTL (decl,
+ eliminate_regs (DECL_RTL (decl), 0, NULL_RTX));
#ifdef LEAF_REG_REMAP
if (current_function_uses_only_leaf_regs)
leaf_renumber_regs_insn (DECL_RTL (decl));
}
else if (GET_CODE (value) == SUBREG)
{
- int offset = 0;
while (GET_CODE (value) == SUBREG)
- {
- offset += SUBREG_WORD (value);
- value = SUBREG_REG (value);
- }
+ value = SUBREG_REG (value);
if (GET_CODE (value) == REG)
{
- regno = REGNO (value);
- if (regno >= FIRST_PSEUDO_REGISTER)
+ if (REGNO (value) >= FIRST_PSEUDO_REGISTER)
return;
- regno += offset;
}
- alter_subreg (DECL_RTL (decl));
+ regno = REGNO (alter_subreg (DECL_RTL (decl)));
value = DECL_RTL (decl);
}
/* Don't output anything if an auto variable
return;
/* Record the name for, starting a symtab entry. */
- name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
+ if (local)
+ name = IDENTIFIER_POINTER (DECL_NAME (decl));
+ else
+ name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
if (GET_CODE (value) == MEM
&& GET_CODE (XEXP (value, 0)) == SYMBOL_REF)
/* Output SDB information for a top-level initialized variable
that has been delayed. */
-void
+static void
sdbout_toplevel_data (decl)
tree decl;
{
const char *name;
CONTIN;
- name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (tem));
+ name = IDENTIFIER_POINTER (DECL_NAME (tem));
PUT_SDB_DEF (name);
if (DECL_BIT_FIELD_TYPE (tem))
{
so that the debugging output will be accurate. */
DECL_INCOMING_RTL (parms)
= eliminate_regs (DECL_INCOMING_RTL (parms), 0, NULL_RTX);
- DECL_RTL (parms) = eliminate_regs (DECL_RTL (parms), 0, NULL_RTX);
+ SET_DECL_RTL (parms,
+ eliminate_regs (DECL_RTL (parms), 0, NULL_RTX));
if (PARM_PASSED_IN_MEMORY (parms))
{
}
}
\f
+/* Output debug information for a global DECL. Called from toplev.c
+ after compilation proper has finished. */
+
+static void
+sdbout_global_decl (decl)
+ tree decl;
+{
+ if (TREE_CODE (decl) == VAR_DECL
+ && !DECL_EXTERNAL (decl)
+ && DECL_RTL_SET_P (decl))
+ {
+ /* The COFF linker can move initialized global vars to the end.
+ And that can screw up the symbol ordering. Defer those for
+ sdbout_finish (). */
+ if (!DECL_INITIAL (decl) || !TREE_PUBLIC (decl))
+ sdbout_symbol (decl, 0);
+
+ /* Output COFF information for non-global file-scope initialized
+ variables. */
+ if (DECL_INITIAL (decl) && GET_CODE (DECL_RTL (decl)) == MEM)
+ sdbout_toplevel_data (decl);
+ }
+}
+
+/* Output initialized global vars at the end, in the order of
+ definition. See comment in sdbout_global_decl. */
+
+static void
+sdbout_finish (main_filename)
+ const char *main_filename ATTRIBUTE_UNUSED;
+{
+ tree decl = getdecls ();
+ unsigned int len = list_length (decl);
+ tree *vec = (tree *) xmalloc (sizeof (tree) * len);
+ unsigned int i;
+
+ /* Process the decls in reverse order--earliest first. Put them
+ into VEC from back to front, then take out from front. */
+
+ for (i = 0; i < len; i++, decl = TREE_CHAIN (decl))
+ vec[len - i - 1] = decl;
+
+ for (i = 0; i < len; i++)
+ {
+ decl = vec[i];
+ if (TREE_CODE (decl) == VAR_DECL
+ && ! DECL_EXTERNAL (decl)
+ && DECL_INITIAL (decl)
+ && TREE_PUBLIC (decl)
+ && DECL_RTL_SET_P (decl))
+ sdbout_symbol (decl, 0);
+ }
+
+ free (vec);
+}
+\f
/* Describe the beginning of an internal block within a function.
Also output descriptions of variables defined in this block.
The blocks match the BLOCKs in DECL_INITIAL (current_function_decl),
if the count starts at 0 for the outermost one. */
-void
-sdbout_begin_block (file, line, n)
- FILE *file ATTRIBUTE_UNUSED;
- int line;
- int n;
+static void
+sdbout_begin_block (line, n)
+ unsigned int line;
+ unsigned int n;
{
tree decl = current_function_decl;
MAKE_LINE_SAFE (line);
/* Describe the end line-number of an internal block within a function. */
-void
-sdbout_end_block (file, line, n)
- FILE *file ATTRIBUTE_UNUSED;
- int line;
- int n ATTRIBUTE_UNUSED;
+static void
+sdbout_end_block (line, n)
+ unsigned int line;
+ unsigned int n ATTRIBUTE_UNUSED;
{
MAKE_LINE_SAFE (line);
PUT_SDB_BLOCK_END (line - sdb_begin_function_line);
}
+static void
+sdbout_source_line (line, filename)
+ unsigned int line;
+ const char *filename ATTRIBUTE_UNUSED;
+{
+ /* COFF relative line numbers must be positive. */
+ if (line > sdb_begin_function_line)
+ {
+#ifdef ASM_OUTPUT_SOURCE_LINE
+ ASM_OUTPUT_SOURCE_LINE (asm_out_file, line);
+#else
+ fprintf (asm_out_file, "\t.ln\t%d\n",
+ ((sdb_begin_function_line > -1)
+ ? line - sdb_begin_function_line : 1));
+#endif
+ }
+}
+
/* Output sdb info for the current function name.
Called from assemble_start_function. */
-void
-sdbout_mark_begin_function ()
+static void
+sdbout_begin_function (decl)
+ tree decl ATTRIBUTE_UNUSED;
{
sdbout_symbol (current_function_decl, 0);
}
-/* Called at beginning of function body (after prologue).
- Record the function's starting line number, so we can output
- relative line numbers for the other lines.
- Describe beginning of outermost block.
- Also describe the parameter list. */
+/* Called at beginning of function body (before or after prologue,
+ depending on MIPS_DEBUGGING_INFO). Record the function's starting
+ line number, so we can output relative line numbers for the other
+ lines. Describe beginning of outermost block. Also describe the
+ parameter list. */
-void
-sdbout_begin_function (line)
- int line;
+#ifndef MIPS_DEBUGGING_INFO
+static void
+sdbout_begin_prologue (line, file)
+ unsigned int line;
+ const char *file ATTRIBUTE_UNUSED;
+{
+ sdbout_end_prologue (line);
+}
+#endif
+
+static void
+sdbout_end_prologue (line)
+ unsigned int line;
{
sdb_begin_function_line = line - 1;
PUT_SDB_FUNCTION_START (line);
/* Called at end of function (before epilogue).
Describe end of outermost block. */
-void
+static void
sdbout_end_function (line)
- int line;
+ unsigned int line;
{
#ifdef SDB_ALLOW_FORWARD_REFERENCES
sdbout_dequeue_anonymous_types ();
/* Output sdb info for the absolute end of a function.
Called after the epilogue is output. */
-void
+static void
sdbout_end_epilogue ()
{
- PUT_SDB_EPILOGUE_END
- (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (current_function_decl)));
+ const char *name
+ = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (current_function_decl));
+
+#ifdef PUT_SDB_EPILOGUE_END
+ PUT_SDB_EPILOGUE_END (name);
+#else
+ fprintf (asm_out_file, "\t.def\t");
+ assemble_name (asm_out_file, name);
+ fprintf (asm_out_file, "%s\t.val\t.%s\t.scl\t-1%s\t.endef\n",
+ SDB_DELIM, SDB_DELIM, SDB_DELIM);
+#endif
}
/* Output sdb info for the given label. Called only if LABEL_NAME (insn)
is present. */
-void
+static void
sdbout_label (insn)
register rtx insn;
{
/* Change to reading from a new source file. */
-void
-sdbout_start_new_source_file (filename)
+static void
+sdbout_start_source_file (line, filename)
+ unsigned int line ATTRIBUTE_UNUSED;
const char *filename ATTRIBUTE_UNUSED;
{
#ifdef MIPS_DEBUGGING_INFO
/* Revert to reading a previous source file. */
-void
-sdbout_resume_previous_source_file ()
+static void
+sdbout_end_source_file (line)
+ unsigned int line ATTRIBUTE_UNUSED;
{
#ifdef MIPS_DEBUGGING_INFO
struct sdb_file *next;
#endif
}
+/* Set up for SDB output at the start of compilation. */
+
+static void
+sdbout_init (input_file_name)
+ const char *input_file_name ATTRIBUTE_UNUSED;
+{
+#ifdef MIPS_DEBUGGING_INFO
+ current_file = (struct sdb_file *) xmalloc (sizeof *current_file);
+ current_file->next = NULL;
+ current_file->name = input_file_name;
+#endif
+
+#ifdef RMS_QUICK_HACK_1
+ tree t;
+ for (t = getdecls (); t; t = TREE_CHAIN (t))
+ if (DECL_NAME (t) && IDENTIFIER_POINTER (DECL_NAME (t)) != 0
+ && !strcmp (IDENTIFIER_POINTER (DECL_NAME (t)), "__vtbl_ptr_type"))
+ sdbout_symbol (t, 0);
+#endif
+
+#ifdef SDB_ALLOW_FORWARD_REFERENCES
+ ggc_add_tree_root (&anonymous_types, 1);
+#endif
+}
+
#endif /* SDB_DEBUGGING_INFO */
OSDN Git Service
