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Code Issues Releases Wiki Activity

Propagate pagezero_vmsize; fix overlay_offset.

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modified:   p_mach.cpp
This commit is contained in:
John Reiser 2018-09-22 12:11:51 -07:00
parent b259b0ca28
commit bb1f9cdecd
1 changed files with 4 additions and 1 deletions
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5
src/p_mach.cpp
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@ -558,7 +558,7 @@ template <class T>
void PackMachBase<T>::pack4(OutputFile *fo, Filter &ft) // append PackHeader void PackMachBase<T>::pack4(OutputFile *fo, Filter &ft) // append PackHeader
{ {
// offset of p_info in compressed file // offset of p_info in compressed file
overlay_offset = secTEXT.addr + sizeof(linfo); overlay_offset = secTEXT.offset + sizeof(linfo);
super::pack4(fo, ft); super::pack4(fo, ft);
if (Mach_header::MH_EXECUTE == my_filetype) { if (Mach_header::MH_EXECUTE == my_filetype) {
@ -612,6 +612,9 @@ void PackMachBase<T>::pack4(OutputFile *fo, Filter &ft) // append PackHeader
case Mach_command::LC_SEGMENT: // fall through case Mach_command::LC_SEGMENT: // fall through
case Mach_command::LC_SEGMENT_64: { case Mach_command::LC_SEGMENT_64: {
Mach_segment_command *const segptr = (Mach_segment_command *)lcp; Mach_segment_command *const segptr = (Mach_segment_command *)lcp;
if (!strcmp("__PAGEZERO", segptr->segname)) {
segptr->vmsize = pagezero_vmsize;
}
if (!strcmp("__TEXT", segptr->segname)) { if (!strcmp("__TEXT", segptr->segname)) {
sectxt = (Mach_section_command *)(1+ segptr); sectxt = (Mach_section_command *)(1+ segptr);
txt_addr = sectxt->addr; txt_addr = sectxt->addr;