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Make minor improvements

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This commit is contained in:
Justine Tunney 2020-12-19 11:21:04 -08:00
parent 1fc91f3580
commit b562d6fdb3
41 changed files with 1948 additions and 92 deletions
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5
tool/build/lib/elfwriter.c
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@ -129,7 +129,7 @@ static size_t FlushStrtab(struct ElfWriter *elf, const char *name,
struct Interner *strtab) {
size_t size = strtab->i * sizeof(strtab->p[0]);
elfwriter_align(elf, 1, 0);
AppendSection(elf, ".strtab", SHT_STRTAB, 0);
AppendSection(elf, name, SHT_STRTAB, 0);
mempcpy(elfwriter_reserve(elf, size), strtab->p, size);
elfwriter_commit(elf, size);
return FinishSection(elf);
@ -172,6 +172,9 @@ struct ElfWriter *elfwriter_open(const char *path, int mode) {
elf->ehdr = memcpy(elf->map, &kObjHeader, (elf->wrote = sizeof(kObjHeader)));
elf->strtab = newinterner();
elf->shstrtab = newinterner();
intern(elf->strtab, "");
intern(elf->shstrtab, "");
intern(elf->shstrtab, ".shstrtab");
return elf;
}

1
tool/build/lib/elfwriter_cargoculting.c
View file

@ -22,6 +22,7 @@
void elfwriter_cargoculting(struct ElfWriter *elf) {
elfwriter_startsection(elf, "", SHT_NULL, 0);
elfwriter_finishsection(elf);
elfwriter_startsection(elf, ".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR);
elfwriter_finishsection(elf);
elfwriter_startsection(elf, ".data", SHT_PROGBITS, SHF_ALLOC | SHF_WRITE);