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cleanup pass over elf parsing; base addr calculation?

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This commit is contained in:
Ryan Fleury
2025-07-28 16:13:45 -07:00
parent 09f9cc25df
commit 48f5df2523
10 changed files with 273 additions and 274 deletions
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src/rdi_from_dwarf/rdi_from_dwarf.c
+7 -28
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@@ -1097,44 +1097,23 @@ d2r_convert(Arena *arena, ASYNC_Root *async_root, D2R_ConvertParams *params)
case ExecutableImageKind_CoffPe:
{
PE_BinInfo pe = pe_bin_info_from_data(scratch.arena, params->exe_data);
// get image arch
arch = pe.arch;
// get image base
image_base = pe.image_base;
// get image sections
String8 raw_sections = str8_substr(params->exe_data, pe.section_table_range);
U64 section_count = raw_sections.size / sizeof(COFF_SectionHeader);
String8 raw_sections = str8_substr(params->exe_data, pe.section_table_range);
U64 section_count = raw_sections.size / sizeof(COFF_SectionHeader);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)raw_sections.str;
// convert sections
String8 string_table = str8_substr(params->exe_data, pe.string_table_range);
binary_sections = c2r_rdi_binary_sections_from_coff_sections(arena, params->exe_data, string_table, section_count, section_table);
// make DWARF input
input = dw_input_from_coff_section_table(scratch.arena, params->exe_data, string_table, section_count, section_table);
}break;
case ExecutableImageKind_Elf32:
case ExecutableImageKind_Elf64:
{
ELF_BinInfo elf = elf_bin_from_data(params->dbg_data);
// get image arch
arch = arch_from_elf_machine(elf.hdr.e_machine);
// get image base
image_base = elf_base_addr_from_bin(&elf.hdr);
// get image sections
ELF_Shdr64Array shdrs = elf_shdr64_array_from_bin(scratch.arena, params->dbg_data, &elf.hdr);
// convert sections
binary_sections = e2r_rdi_binary_sections_from_elf_section_table(arena, shdrs);
// make DWARF input
input = dw_input_from_elf_section_table(scratch.arena, params->dbg_data, &elf);
ELF_Bin bin = elf_bin_from_data(scratch.arena, params->dbg_data);
arch = arch_from_elf_machine(bin.hdr.e_machine);
image_base = elf_base_addr_from_bin(&bin);
binary_sections = e2r_rdi_binary_sections_from_elf_section_table(arena, bin.shdrs);
input = dw_input_from_elf_bin(scratch.arena, params->dbg_data, &bin);
}break;
}