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checkpoint on simplified / stripped down dwarf -> rdi, and dwarf parsing helpers

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This commit is contained in:
Ryan Fleury
2025-11-11 15:10:16 -08:00
parent 17ec73d752
commit b8a8ec31c7
13 changed files with 1097 additions and 54 deletions
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src/radbin/radbin.c
+124 -27
View File
@@ -613,12 +613,10 @@ rb_thread_entry_point(void *p)
}break;
}
//- rjf: convert inputs to RDI info
//- rjf: convert DWARF in inputs to RDI info
B32 convert_done = 0;
RDIM_BakeParams pdb_bake_params = {0};
RDIM_BakeParams dwarf_bake_params = {0};
{
//- rjf: PE inputs w/ DWARF, or ELF inputs => DWARF -> RDI conversion
B32 pe_w_dwarf = (input_files_from_format_table[RB_FileFormat_PE].count != 0 &&
input_files_from_format_table[RB_FileFormat_PE].first->v->format_flags & RB_FileFormatFlag_HasDWARF);
B32 elf_w_dwarf = (input_files_from_format_table[RB_FileFormat_ELF32].count != 0 ||
@@ -630,7 +628,103 @@ rb_thread_entry_point(void *p)
else if(pe_w_dwarf) { log_infof("PEs w/ DWARF specified; converting DWARF data to RDI\n"); }
else if(elf_w_dwarf) { log_infof("ELFs specified; converting DWARF data to RDI\n"); }
// rjf: input files -> exe, exe metadata, & raw dwarf
RB_File *exe_file = &rb_file_nil;
Arch arch = Arch_Null;
U64 base_vaddr = 0;
RDIM_BinarySectionList binary_sections = {0};
DW_Raw raw = {0};
B32 got_dwarf = 0;
{
for(RB_FileNode *n = input_files.first; n != 0; n = n->next)
{
// rjf: the first PE w/ DWARF, *or* the first ELF => pick as our exectable
if(exe_file == &rb_file_nil &&
((n->v->format == RB_FileFormat_PE && n->v->format_flags & RB_FileFormatFlag_HasDWARF) ||
n->v->format == RB_FileFormat_ELF64 ||
n->v->format == RB_FileFormat_ELF32))
{
exe_file = n->v;
}
// rjf: PE => get PE info
PE_BinInfo pe = {0};
if(n->v->format == RB_FileFormat_PE)
{
pe = pe_bin_info_from_data(arena, n->v->data);
if(arch == Arch_Null)
{
arch = pe.arch;
}
if(base_vaddr == 0)
{
base_vaddr = pe.image_base;
}
if(binary_sections.count == 0)
{
String8 raw_sections = str8_substr(n->v->data, pe.section_table_range);
COFF_SectionHeader *section_table = str8_deserial_get_raw_ptr(raw_sections, 0, sizeof(COFF_SectionHeader)*pe.section_count);
String8 string_table = str8_substr(n->v->data, pe.string_table_range);
binary_sections = c2r_rdi_binary_sections_from_coff_sections(arena, n->v->data, string_table, pe.section_count, section_table);
}
}
// rjf: ELF => get ELF info
ELF_Bin elf = {0};
if(n->v->format == RB_FileFormat_ELF32 ||
n->v->format == RB_FileFormat_ELF64)
{
elf = elf_bin_from_data(arena, n->v->data);
if(arch == Arch_Null)
{
arch = arch_from_elf_machine(elf.hdr.e_machine);
}
if(base_vaddr == 0)
{
base_vaddr = elf_base_addr_from_bin(&elf);
}
if(binary_sections.count == 0)
{
binary_sections = e2r_rdi_binary_sections_from_elf_section_table(arena, n->v->data, &elf, elf.shdrs);
}
}
// rjf: PE w/ DWARF => gather DWARF sections
if(!got_dwarf && n->v->format == RB_FileFormat_PE && n->v->format_flags & RB_FileFormatFlag_HasDWARF)
{
String8 raw_sections = str8_substr(n->v->data, pe.section_table_range);
COFF_SectionHeader *section_table = str8_deserial_get_raw_ptr(raw_sections, 0, sizeof(COFF_SectionHeader)*pe.section_count);
String8 string_table = str8_substr(n->v->data, pe.string_table_range);
raw = dw_raw_from_coff_section_table(arena, n->v->data, string_table, pe.section_count, section_table);
got_dwarf = 1;
}
// rjf: ELF w/ DWARF => gather DWARF sections
if(!got_dwarf && (n->v->format == RB_FileFormat_ELF32 || n->v->format == RB_FileFormat_ELF64) && n->v->format_flags & RB_FileFormatFlag_HasDWARF)
{
raw = dw_raw_from_elf_bin(arena, n->v->data, &elf);
got_dwarf = 1;
}
}
}
// rjf: convert (NEW)
#if 0
D2R2_ConvertParams convert_params = {0};
{
convert_params.exe_name = exe_file->path;
convert_params.exe_data = exe_file->data;
convert_params.arch = arch;
convert_params.base_vaddr = base_vaddr;
convert_params.binary_sections = binary_sections;
convert_params.raw = raw;
convert_params.subset_flags = subset_flags;
convert_params.deterministic = cmd_line_has_flag(cmdline, str8_lit("deterministic"));
}
ProfScope("convert") dwarf_bake_params = d2r2_convert(arena, &convert_params);
// rjf: convert
#else
D2R_ConvertParams convert_params = {0};
{
B32 got_exe = 0;
@@ -710,34 +804,37 @@ rb_thread_entry_point(void *p)
convert_params.deterministic = cmd_line_has_flag(cmdline, str8_lit("deterministic"));
}
ProfScope("convert") dwarf_bake_params = d2r_convert(arena, &convert_params);
#endif
}
}
lane_sync();
//- rjf: convert PDB in inputs to RDI info
RDIM_BakeParams pdb_bake_params = {0};
if(input_files_from_format_table[RB_FileFormat_PDB].count != 0)
{
convert_done = 1;
log_infof("PDBs specified; converting PDB data to RDI\n");
//- rjf: PDB inputs => PDB -> RDI conversion
if(input_files_from_format_table[RB_FileFormat_PDB].count != 0)
// rjf: get EXE/PDB file data
RB_File *exe_file = rb_file_list_first(&input_files_from_format_table[RB_FileFormat_PE]);
RB_File *pdb_file = rb_file_list_first(&input_files_from_format_table[RB_FileFormat_PDB]);
String8 exe_path = exe_file->path;
String8 pdb_path = pdb_file->path;
String8 exe_data = exe_file->data;
String8 pdb_data = pdb_file->data;
// rjf: convert
P2R_ConvertParams convert_params = {0};
{
convert_done = 1;
log_infof("PDBs specified; converting PDB data to RDI\n");
// rjf: get EXE/PDB file data
RB_File *exe_file = rb_file_list_first(&input_files_from_format_table[RB_FileFormat_PE]);
RB_File *pdb_file = rb_file_list_first(&input_files_from_format_table[RB_FileFormat_PDB]);
String8 exe_path = exe_file->path;
String8 pdb_path = pdb_file->path;
String8 exe_data = exe_file->data;
String8 pdb_data = pdb_file->data;
// rjf: convert
P2R_ConvertParams convert_params = {0};
{
convert_params.input_pdb_name = pdb_path;
convert_params.input_exe_name = exe_path;
convert_params.input_pdb_data = pdb_data;
convert_params.input_exe_data = exe_data;
convert_params.subset_flags = subset_flags;
convert_params.deterministic = cmd_line_has_flag(cmdline, str8_lit("deterministic"));
}
ProfScope("convert") pdb_bake_params = p2r_convert(arena, &convert_params);
convert_params.input_pdb_name = pdb_path;
convert_params.input_exe_name = exe_path;
convert_params.input_pdb_data = pdb_data;
convert_params.input_exe_data = exe_data;
convert_params.subset_flags = subset_flags;
convert_params.deterministic = cmd_line_has_flag(cmdline, str8_lit("deterministic"));
}
ProfScope("convert") pdb_bake_params = p2r_convert(arena, &convert_params);
}
lane_sync();
src/radbin/radbin_main.c
+2
View File
@@ -34,6 +34,7 @@
#include "rdi_from_elf/rdi_from_elf.h"
#include "rdi_from_pdb/rdi_from_pdb.h"
#include "rdi_from_dwarf/rdi_from_dwarf.h"
#include "rdi_from_dwarf/rdi_from_dwarf_2.h"
#include "radbin/radbin.h"
//- rjf: [c]
@@ -60,6 +61,7 @@
#include "rdi_from_elf/rdi_from_elf.c"
#include "rdi_from_pdb/rdi_from_pdb.c"
#include "rdi_from_dwarf/rdi_from_dwarf.c"
#include "rdi_from_dwarf/rdi_from_dwarf_2.c"
#include "radbin/radbin.c"
////////////////////////////////