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factor out pdata code to PE layer

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This commit is contained in:
Nikita Smith
2025-06-01 19:36:01 -07:00
committed by Ryan Fleury
parent f055267e59
commit 578a7ebdee
3 changed files with 31 additions and 24 deletions
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src/linker/lnk.c
+2 -24
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@@ -2138,15 +2138,6 @@ lnk_build_win32_header(Arena *arena, LNK_SymbolTable *symtab, LNK_Config *config
return result;
}
internal int
lnk_pdata_is_before_x8664(void *raw_a, void *raw_b)
{
PE_IntelPdata *a = raw_a;
PE_IntelPdata *b = raw_b;
int is_before = a->voff_first < b->voff_first;
return is_before;
}
internal String8
lnk_build_win32_image(TP_Arena *arena, TP_Context *tp, LNK_Config *config, LNK_SymbolTable *symtab, U64 objs_count, LNK_Obj **objs)
{
@@ -3068,21 +3059,8 @@ lnk_build_win32_image(TP_Arena *arena, TP_Context *tp, LNK_Config *config, LNK_S
{
LNK_Section *pdata_sect = lnk_section_table_search(sectab, str8_lit(".pdata"), PE_PDATA_SECTION_FLAGS);
if (pdata_sect) {
String8 pdata = str8_substr(image_data, rng_1u64(pdata_sect->foff, pdata_sect->foff + pdata_sect->vsize));
ProfBegin("Sort Exception Info");
if (pdata_sect) {
switch (config->machine) {
case COFF_MachineType_Unknown: break;
case COFF_MachineType_X86:
case COFF_MachineType_X64: {
U64 count = pdata.size / sizeof(PE_IntelPdata);
radsort((PE_IntelPdata *)pdata.str, count, lnk_pdata_is_before_x8664);
} break;
default: { NotImplemented; } break;
}
}
ProfEnd();
String8 raw_pdata = str8_substr(image_data, rng_1u64(pdata_sect->foff, pdata_sect->foff + pdata_sect->vsize));
pe_pdata_sort(config->machine, raw_pdata);
PE_DataDirectory *pdata_dir = pe_data_directory_from_idx(image_data, pe, PE_DataDirectoryIndex_EXCEPTIONS);
pdata_dir->virt_off = lnk_get_first_section_contrib_voff(image_section_table, pdata_sect);
src/pe/pe.c
+25
View File
@@ -1790,3 +1790,28 @@ pe_has_plus_header(COFF_MachineType machine)
}
return has_plus_header;
}
////////////////////////////////
internal int
pe_pdata_is_before_x86_64(void *raw_a, void *raw_b)
{
PE_IntelPdata *a = raw_a, *b = raw_b;
return a->voff_first < b->voff_first;
}
internal void
pe_pdata_sort(COFF_MachineType machine, String8 raw_pdata)
{
ProfBeginFunction();
switch (machine) {
case COFF_MachineType_Unknown: break;
case COFF_MachineType_X86:
case COFF_MachineType_X64: {
U64 count = raw_pdata.size / sizeof(PE_IntelPdata);
radsort((PE_IntelPdata *)raw_pdata.str, count, pe_pdata_is_before_x86_64);
} break;
default: { NotImplemented; } break;
}
ProfEnd();
}
src/pe/pe.h
+4
View File
@@ -1106,4 +1106,8 @@ internal String8 pe_make_debug_header_rdi(Arena *arena, Guid guid, String8 rdi_p
internal U32 pe_compute_checksum(U8 *buffer, U64 buffer_size);
////////////////////////////////
internal void pe_pdata_sort(COFF_MachineType machine, String8 raw_pdata);
#endif // PE_H