From 6bcd6333a4e6b9225c8d176fc94d215fc44fa198 Mon Sep 17 00:00:00 2001 From: YAMAMOTO Mitsuharu Date: Fri, 28 Aug 2009 22:49:46 +0000 Subject: [PATCH] (print_load_command_name) [LC_DYLD_INFO]: Add cases 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. --- src/unexmacosx.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/src/unexmacosx.c b/src/unexmacosx.c index ff6ab016fd1..bb71d8fa76d 100644 --- a/src/unexmacosx.c +++ b/src/unexmacosx.c @@ -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; -- 2.39.2