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d2r2: .debug_aranges parsing / unit conversion; .debug_ranges parsing

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This commit is contained in:
Ryan Fleury
2026-04-28 08:57:59 -07:00
parent f1a9fc5e3a
commit f5ec462438
10 changed files with 362 additions and 51 deletions
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src/rdi_from_elf/rdi_from_elf.c
+25 -1
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@@ -2,8 +2,32 @@
// Licensed under the MIT license (https://opensource.org/license/mit/)
internal RDIM_BinarySectionList
e2r_rdi_binary_sections_from_elf_section_table(Arena *arena, ELF_Shdr64Array shdrs)
e2r_rdi_binary_sections_from_elf_section_table(Arena *arena, String8 data, ELF_Bin *bin, ELF_Shdr64Array *shdrs)
{
RDIM_BinarySectionList result = {0};
for EachIndex(idx, shdrs->count)
{
// rjf: unpack section
ELF_Shdr64 *src_section = &shdrs->v[idx];
String8 name = elf_name_from_shdr64(data, bin, src_section);
U64 voff_first = src_section->sh_addr;
U64 voff_opl = voff_first + src_section->sh_size;
U64 foff_first = src_section->sh_offset;
U64 foff_opl = foff_first + src_section->sh_size;
// rjf: map flags -> rdi
RDI_BinarySectionFlags flags = RDI_BinarySectionFlag_Read;
if(src_section->sh_flags & ELF_Shf_Write) { flags |= RDI_BinarySectionFlag_Write; }
if(src_section->sh_flags & ELF_Shf_ExecInstr) { flags |= RDI_BinarySectionFlag_Execute; }
// rjf: make rdi section
RDIM_BinarySection *dst_section = rdim_binary_section_list_push(arena, &result);
dst_section->name = name;
dst_section->flags = flags;
dst_section->voff_first = voff_first;
dst_section->voff_opl = voff_opl;
dst_section->foff_first = foff_first;
dst_section->foff_opl = foff_opl;
}
return result;
}
src/rdi_from_elf/rdi_from_elf.h
+1 -1
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@@ -4,6 +4,6 @@
#ifndef RDI_FROM_ELF_H
#define RDI_FROM_ELF_H
internal RDIM_BinarySectionList e2r_rdi_binary_sections_from_elf_section_table(Arena *arena, ELF_Shdr64Array shdrs);
internal RDIM_BinarySectionList e2r_rdi_binary_sections_from_elf_section_table(Arena *arena, String8 data, ELF_Bin *bin, ELF_Shdr64Array *shdrs);
#endif // RDI_FROM_ELF_H