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[Mach-O] wip

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This commit is contained in:
Rui Ueyama 2021-09-13 19:30:41 +09:00
parent fbc2ea478e
commit 79f2b2bbdc
1 changed files with 18 additions and 9 deletions
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27
macho/main.cc
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@ -51,17 +51,14 @@ int main(int argc, char **argv) {
<< "\nncmds: " << hdr.ncmds
<< "\nsizeofcmds: " << hdr.sizeofcmds
<< "\nflags: 0x" << std::hex << hdr.flags << std::dec
<< "\n";
<< "\n\n";
u8 *p = buf + sizeof(MachHeader);
for (i64 i = 0; i < hdr.ncmds; i++) {
LoadCommand &cmd = *(LoadCommand *)p;
LoadCommand &lc = *(LoadCommand *)p;
switch (cmd.cmd) {
case LC_SEGMENT:
std::cout << "LC_SEGMENT\n";
break;
switch (lc.cmd) {
case LC_SYMTAB:
std::cout << "LC_SYMTAB\n";
break;
@ -74,9 +71,21 @@ int main(int argc, char **argv) {
case LC_LOAD_DYLINKER:
std::cout << "LC_LOAD_DYLINKER\n";
break;
case LC_SEGMENT_64:
case LC_SEGMENT_64: {
std::cout << "LC_SEGMENT_64\n";
SegmentCommand &cmd = *(SegmentCommand *)&lc;
std::cout << " segname: " << cmd.segname
<< "\n vmaddr: 0x" << std::hex << cmd.vmaddr << std::dec
<< "\n vmsize: 0x" << std::hex << cmd.vmsize << std::dec
<< "\n fileoff: " << cmd.fileoff
<< "\n filesize: " << cmd.filesize
<< "\n maxprot: " << cmd.maxprot
<< "\n initprot: " << cmd.initprot
<< "\n nsects: " << cmd.nsects
<< "\n flags: 0x" << std::hex << cmd.flags << std::dec
<< "\n";
break;
}
case LC_UUID:
std::cout << "LC_UUID\n";
break;
@ -99,11 +108,11 @@ int main(int argc, char **argv) {
std::cout << "LC_BUILD_VERSION\n";
break;
default:
std::cout << "UNKNOWN (0x" << std::hex << cmd.cmd << ")\n";
std::cout << "UNKNOWN (0x" << std::hex << lc.cmd << ")\n";
break;
}
p += cmd.cmdsize;
p += lc.cmdsize;
}
return 0;