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| author | Stan Cox <coxs@gnu.org> | 1997-03-18 22:04:32 +0000 |
|---|---|---|
| committer | Stan Cox <coxs@gnu.org> | 1997-03-18 22:04:32 +0000 |
| commit | 5ae749842d025cd165c0088b1546fac0bb2926e8 (patch) | |
| tree | 7592819de2da9dd3ed10ea438872bbd13f9b3d49 | |
| parent | 4cd77633ca2ce8e5ee448ffeb85a89bc97aa46fe (diff) | |
| download | gcc-5ae749842d025cd165c0088b1546fac0bb2926e8.zip gcc-5ae749842d025cd165c0088b1546fac0bb2926e8.tar.gz gcc-5ae749842d025cd165c0088b1546fac0bb2926e8.tar.bz2 | |
Support stabs and section attribute
From-SVN: r13741
| -rw-r--r-- | gcc/config/i386/go32.h | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/gcc/config/i386/go32.h b/gcc/config/i386/go32.h index 68bb19e..835cbde 100644 --- a/gcc/config/i386/go32.h +++ b/gcc/config/i386/go32.h @@ -1,5 +1,13 @@ /* Configuration for an i386 running MS-DOS with djgpp/go32. */ +#define DBX_DEBUGGING_INFO /* support for stabs debugging info */ +#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG /* leave sdb as default */ +#define NO_STAB_H /* DJGPP has no stab.h */ +#if 0 /* enable this, if '-g' should select stabs debugging */ +#undef PREFERRED_DEBUGGING_TYPE +#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG +#endif + /* Don't assume anything about the header files. */ #define NO_IMPLICIT_EXTERN_C @@ -53,7 +61,11 @@ dtor_section () \ fprintf (FILE, "\n"); \ } while (0) -#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \ +/* Allow (eg) __attribute__((section "locked")) to work */ +#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME)\ + do { \ + fprintf (FILE, "\t.section %s\n", NAME); \ + } while (0) do { \ dtor_section (); \ fprintf (FILE, "%s\t", ASM_LONG); \ @@ -61,7 +73,46 @@ dtor_section () \ fprintf (FILE, "\n"); \ } while (0) +/* Output at beginning of assembler file. */ +/* The .file command should always begin the output. */ +/* Use the main_input_filename instead of dump_base_name */ + +#undef ASM_FILE_START +#define ASM_FILE_START(FILE) \ + do { \ + output_file_directive (FILE, main_input_filename); \ + } while (0) + +/* Be function-relative for block and source line stab directives. */ + +#define DBX_BLOCKS_FUNCTION_RELATIVE 1 + +/* but, to make this work, functions must appear prior to line info */ + +#define DBX_FUNCTION_FIRST /* Allow (eg) __attribute__((section "locked")) to work */ +/* Generate a blank trailing N_SO to mark the end of the .o file, since + we can't depend upon the linker to mark .o file boundaries with + embedded stabs. */ + +#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \ + fprintf (FILE, \ + "\t.text\n\t.stabs \"\",%d,0,0,Letext\nLetext:\n", N_SO) + +#undef ASM_OUTPUT_SOURCE_LINE +#define ASM_OUTPUT_SOURCE_LINE(file, line) \ + if ( write_symbols == DBX_DEBUG ) \ + { static int sym_lineno = 1; \ + fprintf (file, ".stabn 68,0,%d,.LM%d-", \ + line, sym_lineno); \ + assemble_name (file, \ + XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0)); \ + fprintf (file, "\n.LM%d:\n", sym_lineno); \ + sym_lineno += 1; } \ + else { \ + fprintf (file, "\t.ln\t%d\n", \ + ((sdb_begin_function_line > -1) \ + ? line - sdb_begin_function_line : 1)); } #define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME)\ do { \ fprintf (FILE, "\t.section %s\n", NAME); \ |