mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-07-02 09:18:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix a bunch of Windows bugs reported on Discord

Browse source 
This change addresses everything from stack smashing to %SYSTEMROOT%
breaking socket(). Issues relating to compile.com not reporting text
printed to stderr has been resolved for Windows builds.
This commit is contained in:
Justine Tunney 2023-07-28 06:17:34 -07:00
parent b0e3258709
commit 5018171fa5
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
10 changed files with 104 additions and 46 deletions
Download patch file Download diff file Expand all files Collapse all files

8
tool/build/fixupobj.c
View file

@ -176,13 +176,13 @@ static void RewriteTlsCode(void) {
uint32_t *p, *pe;
for (i = 0; i < elf->e_shnum; ++i) {
if (!(shdr = GetElfSectionHeaderAddress(elf, esize, i))) {
Die("elf header overflow");
Die("elf header overflow #1");
}
if (shdr->sh_type == SHT_PROGBITS && //
(shdr->sh_flags & SHF_ALLOC) && //
(shdr->sh_flags & SHF_EXECINSTR)) {
if (!(p = GetElfSectionAddress(elf, esize, shdr))) {
Die("elf header overflow");
Die("elf header overflow #2");
}
for (pe = p + shdr->sh_size / 4; p <= pe; ++p) {
if ((*p & -32) == MRS_TPIDR_EL0) {
@ -213,11 +213,11 @@ static void OptimizePatchableFunctionEntries(void) {
if (!syms[i].st_size) continue;
if (ELF64_ST_TYPE(syms[i].st_info) != STT_FUNC) continue;
if (!(shdr = GetElfSectionHeaderAddress(elf, esize, syms[i].st_shndx))) {
Die("elf header overflow");
Die("elf header overflow #3");
}
if (shdr->sh_type != SHT_PROGBITS) continue;
if (!(p = GetElfSectionAddress(elf, esize, shdr))) {
Die("elf header overflow");
Die("elf header overflow #4");
}
if (syms[i].st_value < shdr->sh_addr) {
Die("elf symbol beneath section");