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outmacho: dwarf debug (1/4)

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skeletion interfaces

MachO Dwarf is basically porting of ELF's DWARF implementations
and it includes debug line information and some debug meta data

Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Chang S. Bae 2017-04-08 02:22:05 -07:00 committed by H. Peter Anvin
parent 3b26c45e7f
commit 6a912a3c90
1 changed files with 57 additions and 4 deletions
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61
output/outmacho.c
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@ -1727,6 +1727,27 @@ static const struct pragma_facility macho_pragma_list[] = {
{ NULL, macho_pragma } /* Implements macho32/macho64 namespaces */
};
static void macho_dbg_init(void)
{
}
static void macho_dbg_linenum(const char *file_name, int32_t line_num, int32_t segto)
{
(void)file_name;
(void)line_num;
(void)segto;
}
static void macho_dbg_output(int type, void *param)
{
(void)type;
(void)param;
}
static void macho_dbg_cleanup(void)
{
}
#ifdef OF_MACHO32
static const struct macho_fmt macho32_fmt = {
4,
@ -1751,13 +1772,29 @@ static void macho32_init(void)
macho_gotpcrel_sect = NO_SEG;
}
static const struct dfmt macho32_df_dwarf = {
"MachO32 (i386) dwarf debug format for Darwin/MacOS",
"dwarf",
macho_dbg_init,
macho_dbg_linenum,
null_debug_deflabel,
null_debug_directive,
null_debug_typevalue,
macho_dbg_output,
macho_dbg_cleanup,
NULL /*pragma list*/
};
static const struct dfmt * const macho32_df_arr[2] =
{ &macho32_df_dwarf, NULL };
const struct ofmt of_macho32 = {
"NeXTstep/OpenStep/Rhapsody/Darwin/MacOS X (i386) object files",
"macho32",
0,
32,
null_debug_arr,
&null_debug_form,
macho32_df_arr,
&macho32_df_dwarf,
macho_stdmac,
macho32_init,
nasm_do_legacy_output,
@ -1799,13 +1836,29 @@ static void macho64_init(void)
define_label("..gotpcrel", macho_gotpcrel_sect, 0L, NULL, false, false);
}
static const struct dfmt macho64_df_dwarf = {
"MachO64 (x86-64) dwarf debug format for Darwin/MacOS",
"dwarf",
macho_dbg_init,
macho_dbg_linenum,
null_debug_deflabel,
null_debug_directive,
null_debug_typevalue,
macho_dbg_output,
macho_dbg_cleanup,
NULL /*pragma list*/
};
static const struct dfmt * const macho64_df_arr[2] =
{ &macho64_df_dwarf, NULL };
const struct ofmt of_macho64 = {
"NeXTstep/OpenStep/Rhapsody/Darwin/MacOS X (x86_64) object files",
"macho64",
0,
64,
null_debug_arr,
&null_debug_form,
macho64_df_arr,
&macho64_df_dwarf,
macho_stdmac,
macho64_init,
nasm_do_legacy_output,