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Make minor improvements

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This commit is contained in:
Justine Tunney 2020-12-23 23:42:56 -08:00
parent 04caf6f9ad
commit 95b142e4e5
95 changed files with 3818 additions and 2760 deletions
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18
tool/build/lib/elfwriter.c
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@ -190,7 +190,10 @@ void elfwriter_close(struct ElfWriter *elf) {
freeinterner(elf->strtab);
free(elf->shdrs->p);
free(elf->relas->p);
for (i = 0; i < ARRAYLEN(elf->syms); ++i) free(elf->syms[i]->p);
free(elf->path);
for (i = 0; i < ARRAYLEN(elf->syms); ++i) {
free(elf->syms[i]->p);
}
free(elf);
}
@ -237,6 +240,14 @@ void elfwriter_finishsection(struct ElfWriter *elf) {
if (elf->relas->j < elf->relas->i) MakeRelaSection(elf, section);
}
/**
* Appends symbol.
*
* This function should be called between elfwriter_startsection() and
* elfwriter_finishsection(). If that's not possible, then this can be
* called after elfwriter_open() and then elfwriter_setsection() can be
* called later to fix-up the section id.
*/
struct ElfWriterSymRef elfwriter_appendsym(struct ElfWriter *elf,
const char *name, int st_info,
int st_other, size_t st_value,
@ -247,6 +258,11 @@ struct ElfWriterSymRef elfwriter_appendsym(struct ElfWriter *elf,
: kElfWriterSymGlobal);
}
void elfwriter_setsection(struct ElfWriter *elf, struct ElfWriterSymRef sym,
uint16_t st_shndx) {
elf->syms[sym.slg]->p[sym.sym].st_shndx = st_shndx;
}
struct ElfWriterSymRef elfwriter_linksym(struct ElfWriter *elf,
const char *name, int st_info,
int st_other) {