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(dwarfout_{begin,end}_function): New functions.

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(body_{begin,end}_attribute): New functions.
	(dwarf_attr_name): Print AT_body_begin and AT_body_end.
	(output_{local,global}_subroutine_die): Output the new attributes.

From-SVN: r2361
This commit is contained in:
Tom Wood 1992-10-07 20:24:33 +00:00
parent befb13a587
commit 2a819d04bc
1 changed files with 69 additions and 6 deletions
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75
gcc/dwarfout.c
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@ -532,6 +532,12 @@ static unsigned lookup_filename ();
#ifndef SL_END_LABEL_FMT
#define SL_END_LABEL_FMT ".L_sl%u_e"
#endif
#ifndef BODY_BEGIN_LABEL_FMT
#define BODY_BEGIN_LABEL_FMT ".L_b%u"
#endif
#ifndef BODY_END_LABEL_FMT
#define BODY_END_LABEL_FMT ".L_b%u_e"
#endif
#ifndef FUNC_END_LABEL_FMT
#define FUNC_END_LABEL_FMT ".L_f%u_e"
#endif
@ -888,6 +894,8 @@ dwarf_attr_name (attr)
case AT_src_info: return "AT_src_info";
case AT_mac_info: return "AT_mac_info";
case AT_src_coords: return "AT_src_coords";
case AT_body_begin: return "AT_body_begin";
case AT_body_end: return "AT_body_end";
default: return "AT_<unknown>";
}
@ -2552,6 +2560,26 @@ high_pc_attribute (asm_high_label)
ASM_OUTPUT_DWARF_ADDR (asm_out_file, asm_high_label);
}
/* Generate an AT_body_begin attribute for a subroutine DIE. */
inline void
body_begin_attribute (asm_begin_label)
register char *asm_begin_label;
{
ASM_OUTPUT_DWARF_ATTRIBUTE (asm_out_file, AT_body_begin);
ASM_OUTPUT_DWARF_ADDR (asm_out_file, asm_begin_label);
}
/* Generate an AT_body_end attribute for a subroutine DIE. */
inline void
body_end_attribute (asm_end_label)
register char *asm_end_label;
{
ASM_OUTPUT_DWARF_ATTRIBUTE (asm_out_file, AT_body_end);
ASM_OUTPUT_DWARF_ADDR (asm_out_file, asm_end_label);
}
/* Generate an AT_language attribute given a LANG value. These attributes
are used only within TAG_compile_unit DIEs. */
@ -3108,11 +3136,15 @@ output_global_subroutine_die (arg)
{
if (! DECL_EXTERNAL (decl))
{
char func_end_label[MAX_ARTIFICIAL_LABEL_BYTES];
char label[MAX_ARTIFICIAL_LABEL_BYTES];
low_pc_attribute (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)));
sprintf (func_end_label, FUNC_END_LABEL_FMT, current_funcdef_number);
high_pc_attribute (func_end_label);
sprintf (label, FUNC_END_LABEL_FMT, current_funcdef_number);
high_pc_attribute (label);
sprintf (label, BODY_BEGIN_LABEL_FMT, current_funcdef_number);
body_begin_attribute (label);
sprintf (label, BODY_END_LABEL_FMT, current_funcdef_number);
body_end_attribute (label);
}
}
}
@ -3446,11 +3478,15 @@ output_local_subroutine_die (arg)
if (TREE_ASM_WRITTEN (decl))
{
char func_end_label[MAX_ARTIFICIAL_LABEL_BYTES];
char label[MAX_ARTIFICIAL_LABEL_BYTES];
low_pc_attribute (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)));
sprintf (func_end_label, FUNC_END_LABEL_FMT, current_funcdef_number);
high_pc_attribute (func_end_label);
sprintf (label, FUNC_END_LABEL_FMT, current_funcdef_number);
high_pc_attribute (label);
sprintf (label, BODY_BEGIN_LABEL_FMT, current_funcdef_number);
body_begin_attribute (label);
sprintf (label, BODY_END_LABEL_FMT, current_funcdef_number);
body_end_attribute (label);
}
}
}
@ -4834,6 +4870,33 @@ dwarfout_label (insn)
}
}
/* Output a marker (i.e. a label) for the point in the generated code where
the real body of the function begins (after parameters have been moved
to their home locations). */
void
dwarfout_begin_function ()
{
char label[MAX_ARTIFICIAL_LABEL_BYTES];
text_section ();
sprintf (label, BODY_BEGIN_LABEL_FMT, current_funcdef_number);
ASM_OUTPUT_LABEL (asm_out_file, label);
}
/* Output a marker (i.e. a label) for the point in the generated code where
the real body of the function ends (just before the epilogue code). */
void
dwarfout_end_function ()
{
char label[MAX_ARTIFICIAL_LABEL_BYTES];
text_section ();
sprintf (label, BODY_END_LABEL_FMT, current_funcdef_number);
ASM_OUTPUT_LABEL (asm_out_file, label);
}
/* Output a marker (i.e. a label) for the absolute end of the generated code
for a function definition. This gets called *after* the epilogue code
has been generated. */