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Introduce new linker for fat ape binaries

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This commit is contained in:
Justine Tunney 2023-08-11 04:37:23 -07:00
parent e3c456d23a
commit 0105e3e2b6
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GPG key ID: BE714B4575D6E328
44 changed files with 3140 additions and 867 deletions
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30
tool/decode/pe2.c
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@ -226,13 +226,14 @@ static void showpeoptionalheader(struct NtImageOptionalHeader *opt) {
}
}
static void ShowIlt(int64_t *ilt) {
printf("\n");
showtitle(basename(path), "windows", "import lookup table (ilt)", 0, 0);
static void ShowIlt(uint32_t rva) {
int64_t *ilt, *ilt0;
ilt = ilt0 = GetRva(rva);
do {
printf("\n");
show(".quad", format(b1, "%#lx", *ilt),
_gc(xasprintf("@%#lx", (intptr_t)ilt - (intptr_t)mz)));
_gc(xasprintf("rva=%#lx off=%#lx", (char *)ilt - (char *)ilt0 + rva,
(intptr_t)ilt - (intptr_t)mz)));
if (*ilt) {
char *hint = GetRva(*ilt);
printf("/\t.short\t%d\t\t\t# @%#lx\n", READ16LE(hint),
@ -244,11 +245,11 @@ static void ShowIlt(int64_t *ilt) {
} while (*ilt++);
}
static void ShowIat(char *iat, size_t size) {
static void ShowIdt(char *idt, size_t size) {
char *p, *e;
printf("\n");
showtitle(basename(path), "windows", "import address table (iat)", 0, 0);
for (p = iat, e = iat + size; p + 20 <= e; p += 20) {
showtitle(basename(path), "windows", "import descriptor table (idt)", 0, 0);
for (p = idt, e = idt + size; p + 20 <= e; p += 20) {
printf("\n");
show(".long", format(b1, "%#x", READ32LE(p)),
_gc(xasprintf("ImportLookupTable RVA @%#lx",
@ -262,9 +263,18 @@ static void ShowIat(char *iat, size_t size) {
show(".long", format(b1, "%#x", READ32LE(p + 16)),
"ImportAddressTable RVA");
}
for (p = iat, e = iat + size; p + 20 <= e; p += 20) {
for (p = idt, e = idt + size; p + 20 <= e; p += 20) {
if (READ32LE(p)) {
ShowIlt(GetRva(READ32LE(p)));
printf("\n");
showtitle(basename(path), "windows", "import lookup table (ilt)", 0, 0);
ShowIlt(READ32LE(p));
}
}
for (p = idt, e = idt + size; p + 20 <= e; p += 20) {
if (READ32LE(p)) {
printf("\n");
showtitle(basename(path), "windows", "import address table (iat)", 0, 0);
ShowIlt(READ32LE(p + 16));
}
}
}
@ -342,7 +352,7 @@ static void showpeheader(struct NtImageNtHeaders *pe) {
pe->FileHeader.NumberOfSections *
sizeof(struct NtImageSectionHeader)),
pe->FileHeader.NumberOfSections);
ShowIat(GetRva(pe->OptionalHeader.DataDirectory[kNtImageDirectoryEntryImport]
ShowIdt(GetRva(pe->OptionalHeader.DataDirectory[kNtImageDirectoryEntryImport]
.VirtualAddress),
pe->OptionalHeader.DataDirectory[kNtImageDirectoryEntryImport].Size);
}