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[Mach-O] wip

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This commit is contained in:
Rui Ueyama 2021-10-07 18:12:38 +09:00
parent 14cadf44ac
commit 91ec5ae972
1 changed files with 12 additions and 4 deletions
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16
macho/dumper.cc
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@ -99,13 +99,13 @@ void dump_unwind_info(u8 *buf, MachSection &sec) {
if (ent[i].second_level_pages_section_offset == 0)
break;
u8 *p = buf + sec.offset + ent[i].second_level_pages_section_offset;
u8 *addr = buf + sec.offset + ent[i].second_level_pages_section_offset;
switch (u32 kind = *p; kind) {
switch (u32 kind = *addr; kind) {
case UNWIND_SECOND_LEVEL_REGULAR: {
std::cout << "\n UNWIND_SECOND_LEVEL_REGULAR:";
UnwindInfoRegularSecondLevelPageHeader &hdr2 =
*(UnwindInfoRegularSecondLevelPageHeader *)p;
*(UnwindInfoRegularSecondLevelPageHeader *)addr;
std::cout << std::hex
<< "\n entryPageOffset: 0x" << hdr2.entryPageOffset
<< "\n entryCount: 0x" << hdr2.entryCount;
@ -114,12 +114,20 @@ void dump_unwind_info(u8 *buf, MachSection &sec) {
case UNWIND_SECOND_LEVEL_COMPRESSED: {
std::cout << "\n UNWIND_SECOND_LEVEL_COMPRESSED";
UnwindInfoCompressedSecondLevelPageHeader &hdr2 =
*(UnwindInfoCompressedSecondLevelPageHeader *)p;
*(UnwindInfoCompressedSecondLevelPageHeader *)addr;
std::cout << std::hex
<< "\n entryPageOffset: 0x" << hdr2.entryPageOffset
<< "\n entryCount: 0x" << hdr2.entryCount
<< "\n encodingsPageOffset: 0x" << hdr2.encodingsPageOffset
<< "\n encodingsCount: 0x" << hdr2.encodingsCount;
u32 *ent2 = (u32 *)(addr + hdr2.entryPageOffset);
for (i64 j = 0; j < hdr2.entryCount; j++)
std::cout << std::hex << "\n 0x" << ent2[j];
ent2 = (u32 *)(addr + hdr2.encodingsPageOffset);
for (i64 j = 0; j < hdr2.encodingsCount; j++)
std::cout << std::hex << "\n 0x" << ent2[j];
break;
}
default: