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(print_load_command_name) [LC_DYLD_INFO]: Add cases

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LC_DYLD_INFO and LC_DYLD_INFO_ONLY.
(copy_data_segment): Also copy __program_vars section.
(copy_dyld_info) [LC_DYLD_INFO]: New function.
(dump_it) [LC_DYLD_INFO]: Use it.
This commit is contained in:
YAMAMOTO Mitsuharu 2009-08-28 22:49:46 +00:00
parent ec16db0402
commit 6bcd6333a4
1 changed files with 45 additions and 0 deletions
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45
src/unexmacosx.c
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@ -581,6 +581,14 @@ print_load_command_name (int lc)
case LC_UUID:
printf ("LC_UUID ");
break;
#endif
#ifdef LC_DYLD_INFO
case LC_DYLD_INFO:
printf ("LC_DYLD_INFO ");
break;
case LC_DYLD_INFO_ONLY:
printf ("LC_DYLD_INFO_ONLY");
break;
#endif
default:
printf ("unknown ");
@ -819,6 +827,7 @@ copy_data_segment (struct load_command *lc)
|| strncmp (sectp->sectname, "__const", 16) == 0
|| strncmp (sectp->sectname, "__cfstring", 16) == 0
|| strncmp (sectp->sectname, "__gcc_except_tab", 16) == 0
|| strncmp (sectp->sectname, "__program_vars", 16) == 0
|| strncmp (sectp->sectname, "__objc_", 7) == 0)
{
if (!unexec_copy (sectp->offset, old_file_offset, sectp->size))
@ -1086,6 +1095,36 @@ copy_twolevelhints (struct load_command *lc, long delta)
curr_header_offset += lc->cmdsize;
}
#ifdef LC_DYLD_INFO
/* Copy a LC_DYLD_INFO(_ONLY) load command from the input file to the output
file, adjusting the file offset fields. */
static void
copy_dyld_info (struct load_command *lc, long delta)
{
struct dyld_info_command *dip = (struct dyld_info_command *) lc;
if (dip->rebase_off > 0)
dip->rebase_off += delta;
if (dip->bind_off > 0)
dip->bind_off += delta;
if (dip->weak_bind_off > 0)
dip->weak_bind_off += delta;
if (dip->lazy_bind_off > 0)
dip->lazy_bind_off += delta;
if (dip->export_off > 0)
dip->export_off += delta;
printf ("Writing ");
print_load_command_name (lc->cmd);
printf (" command\n");
if (!unexec_write (curr_header_offset, lc, lc->cmdsize))
unexec_error ("cannot write dyld info command to header");
curr_header_offset += lc->cmdsize;
}
#endif
/* Copy other kinds of load commands from the input file to the output
file, ones that do not require adjustments of file offsets. */
static void
@ -1152,6 +1191,12 @@ dump_it ()
case LC_TWOLEVEL_HINTS:
copy_twolevelhints (lca[i], linkedit_delta);
break;
#ifdef LC_DYLD_INFO
case LC_DYLD_INFO:
case LC_DYLD_INFO_ONLY:
copy_dyld_info (lca[i], linkedit_delta);
break;
#endif
default:
copy_other (lca[i]);
break;