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defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro. 

* defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
	* tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
 	* dwarf2out.c (dwarf2out_init): Don't output a label to mark the
 	start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
	false.
	* config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
	Define to zero.

From-SVN: r28213
This commit is contained in:
Mark Mitchell 1999-07-22 02:16:55 +00:00 committed by Mark Mitchell
parent a6c7a886f4
commit b366352bbd
5 changed files with 38 additions and 2 deletions
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10
gcc/ChangeLog
View File

@ -1,3 +1,13 @@
Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
* defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
* tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
* dwarf2out.c (dwarf2out_init): Don't output a label to mark the
start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
false.
* config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
Define to zero.
1999-07-21 Michael Meissner <meissner@cygnus.com>
* print-rtl.c (print_rtx): Print the names of the virtual

5
gcc/config/mips/iris6.h
View File

@ -34,6 +34,11 @@ Boston, MA 02111-1307, USA. */
irix5.h file. */
#undef DWARF2_UNWIND_INFO
/* The Irix6 assembler will sometimes assign labels to the wrong
section unless the labels are within .ent/.end blocks. Therefore,
we avoid creating such labels. */
#define DWARF2_GENERATE_TEXT_SECTION_LABEL 0
/* For Irix 6, -mabi=64 implies TARGET_LONG64. */
/* This is handled in override_options. */

10
gcc/defaults.h
View File

@ -154,3 +154,13 @@ do { fprintf (FILE, "\t%s\t", ASM_LONG); \
#if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX)
#define DWARF2_UNWIND_INFO 1
#endif
/* By default, we generate a label at the beginning and end of the
text section, and compute the size of the text section by
subtracting the two. However, on some platforms that doesn't
work, and we use the section itself, rather than a label at the
beginning of it, to indicate the start of the section. On such
platforms, define this to zero. */
#ifndef DWARF2_GENERATE_TEXT_SECTION_LABEL
#define DWARF2_GENERATE_TEXT_SECTION_LABEL 1
#endif

8
gcc/dwarf2out.c
View File

@ -10008,7 +10008,10 @@ dwarf2out_init (asm_out_file, main_input_filename)
ASM_GENERATE_INTERNAL_LABEL (text_end_label, TEXT_END_LABEL, 0);
ASM_GENERATE_INTERNAL_LABEL (abbrev_section_label, ABBREV_SECTION_LABEL, 0);
ASM_GENERATE_INTERNAL_LABEL (text_section_label, TEXT_SECTION_LABEL, 0);
if (DWARF2_GENERATE_TEXT_SECTION_LABEL)
ASM_GENERATE_INTERNAL_LABEL (text_section_label, TEXT_SECTION_LABEL, 0);
else
strcpy (text_section_label, stripattributes (TEXT_SECTION));
ASM_GENERATE_INTERNAL_LABEL (debug_info_section_label,
DEBUG_INFO_SECTION_LABEL, 0);
ASM_GENERATE_INTERNAL_LABEL (debug_line_section_label,
@ -10017,7 +10020,8 @@ dwarf2out_init (asm_out_file, main_input_filename)
ASM_OUTPUT_SECTION (asm_out_file, ABBREV_SECTION);
ASM_OUTPUT_LABEL (asm_out_file, abbrev_section_label);
ASM_OUTPUT_SECTION (asm_out_file, TEXT_SECTION);
ASM_OUTPUT_LABEL (asm_out_file, text_section_label);
if (DWARF2_GENERATE_TEXT_SECTION_LABEL)
ASM_OUTPUT_LABEL (asm_out_file, text_section_label);
ASM_OUTPUT_SECTION (asm_out_file, DEBUG_INFO_SECTION);
ASM_OUTPUT_LABEL (asm_out_file, debug_info_section_label);
ASM_OUTPUT_SECTION (asm_out_file, DEBUG_LINE_SECTION);

7
gcc/tm.texi
View File

@ -6908,6 +6908,13 @@ Normally, if the user specifies only @samp{-ggdb} GNU CC will use Dwarf
version 2 if available; this macro disables this. See the description
of the @code{PREFERRED_DEBUGGING_TYPE} macro for more details.
@findex DWARF2_GENERATE_TEXT_SECTION_LABEL
@item DWARF2_GENERATE_TEXT_SECTION_LABEL
By default, the Dwarf 2 debugging information generator will generate a
label to mark the beginning of the text section. If it is better simply
to use the name of the text section itself, rather than an explicit label,
to indicate the beginning of the text section, define this macro to zero.
@findex PUT_SDB_@dots{}
@item PUT_SDB_@dots{}
Define these macros to override the assembler syntax for the special