ed/raddebugger
1
0
Fork 0
mirror of https://github.com/Ed94/raddebugger.git synced 2026-07-21 13:55:43 +00:00
Code Issues Packages Projects Releases Wiki Activity

create section layout without copying chunk data and perform chunk data

Browse Source 
copy in parallel given layout
This commit is contained in:
Nikita Smith
2024-11-14 14:43:22 -08:00
parent 2562d04fbf
commit b631d431fa
10 changed files with 490 additions and 457 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/linker/lnk_section_table.c
+74 -26
View File
@@ -250,16 +250,18 @@ lnk_code_align_byte_from_machine(COFF_MachineType machine)
internal void
lnk_section_build_data(LNK_Section *sect, COFF_MachineType machine)
{
if (sect->is_loose && sect->has_layout) {
// get value for align data fill
U8 align_byte = 0;
B32 is_code = !!(sect->flags & COFF_SectionFlag_CNT_CODE);
if (is_code) {
align_byte = lnk_code_align_byte_from_machine(machine);
if (sect->is_loose) {
if (sect->has_layout) {
sect->layout = lnk_build_chunk_layout(sect->arena, sect->cman);
} else {
sect->layout.total_count = sect->cman->total_chunk_count;
sect->layout.chunk_ptr_array = lnk_make_chunk_id_map(sect->arena, sect->cman);
sect->layout.chunk_off_array = 0;
sect->layout.chunk_file_size_array = 0;
sect->layout.chunk_virt_size_array = 0;
sect->layout.align_array_count = 0;
sect->layout.align_array = 0;
}
sect->layout = lnk_build_chunk_layout(sect->arena, sect->cman, sect->flags, align_byte);
sect->is_loose = 0;
}
}
@@ -594,19 +596,48 @@ lnk_section_table_assign_indices(LNK_SectionTable *st)
}
internal String8
lnk_section_table_serialize(Arena *arena, LNK_SectionTable *st)
lnk_section_table_serialize(TP_Context *tp, Arena *arena, LNK_SectionTable *st, COFF_MachineType machine)
{
ProfBeginFunction();
Temp scratch = scratch_begin(&arena, 1);
String8List image_list = {0};
for (LNK_SectionNode *sect_node = st->list.first; sect_node != NULL; sect_node = sect_node->next) {
LNK_Section *sect = &sect_node->data;
str8_list_push(scratch.arena, &image_list, sect->layout.data);
U64 image_size = 0;
for (LNK_SectionNode *sect_n = st->list.first; sect_n != 0; sect_n = sect_n->next) {
LNK_Section *sect = &sect_n->data;
if (sect->has_layout) {
U64 root_size = sect->layout.chunk_file_size_array[sect->root->ref.chunk_id];
image_size += root_size;
}
}
String8 result = str8_list_join(arena, &image_list, NULL);
U8 *image_buffer = push_array_no_zero(arena, U8, image_size);
String8 image = str8(image_buffer, image_size);
U64 image_cursor = 0;
for (LNK_SectionNode *sect_n = st->list.first; sect_n != 0; sect_n = sect_n->next) {
LNK_Section *sect = &sect_n->data;
if (sect->has_layout) {
if (sect->flags & COFF_SectionFlag_CNT_UNINITIALIZED_DATA) {
continue;
}
U64 sect_size = sect->layout.chunk_file_size_array[sect->root->ref.chunk_id];
String8 sect_data = str8_substr(image, rng_1u64(image_cursor, image_cursor + sect_size));
U8 fill_byte = 0;
if (sect->flags & COFF_SectionFlag_CNT_CODE) {
fill_byte = lnk_code_align_byte_from_machine(machine);
}
lnk_serialize_chunk_layout(tp, sect->layout, sect_data, fill_byte);
image_cursor += sect_size;
}
}
scratch_end(scratch);
ProfEnd();
return result;
return image;
}
internal LNK_ChunkPtr **
@@ -736,24 +767,41 @@ lnk_file_size_from_chunk_ref(LNK_Section **sect_id_map, LNK_ChunkRef chunk_ref)
}
internal String8
lnk_data_from_chunk_ref(LNK_Section **sect_id_map, LNK_ChunkRef chunk_ref)
lnk_data_from_chunk_ref(LNK_Section **sect_id_map, String8 image_data, LNK_ChunkRef chunk_ref)
{
LNK_ChunkRef final_chunk_ref = lnk_get_final_chunk_ref(sect_id_map, chunk_ref);
LNK_Section *sect = sect_id_map[final_chunk_ref.sect_id];
U64 chunk_off = lnk_off_from_chunk_ref(sect_id_map, chunk_ref);
U64 chunk_size = lnk_file_size_from_chunk_ref(sect_id_map, chunk_ref);
String8 chunk_data = str8_substr(sect->layout.data, r1u64(chunk_off, chunk_off + chunk_size));
LNK_ChunkRef final_chunk_ref = lnk_get_final_chunk_ref(sect_id_map, chunk_ref);
LNK_Section *sect = sect_id_map[final_chunk_ref.sect_id];
String8 chunk_data;
if (sect->has_layout) {
U64 chunk_size = lnk_file_size_from_chunk_ref(sect_id_map, chunk_ref);
U64 chunk_foff = lnk_file_off_from_chunk_ref(sect_id_map, chunk_ref);
chunk_data = str8_substr(image_data, r1u64(chunk_foff, chunk_foff + chunk_size));
} else {
LNK_Chunk *chunk = sect->layout.chunk_ptr_array[final_chunk_ref.chunk_id];
Assert(chunk->type == LNK_Chunk_Leaf);
chunk_data = chunk->u.leaf;
}
return chunk_data;
}
internal String8
lnk_data_from_chunk_ref_no_pad(LNK_Section **sect_id_map, LNK_ChunkRef chunk_ref)
lnk_data_from_chunk_ref_no_pad(LNK_Section **sect_id_map, String8 image_data, LNK_ChunkRef chunk_ref)
{
LNK_ChunkRef final_chunk_ref = lnk_get_final_chunk_ref(sect_id_map, chunk_ref);
LNK_Section *sect = sect_id_map[final_chunk_ref.sect_id];
U64 chunk_off = lnk_off_from_chunk_ref(sect_id_map, chunk_ref);
U64 chunk_size = lnk_virt_size_from_chunk_ref(sect_id_map, chunk_ref);
String8 chunk_data = str8_substr(sect->layout.data, r1u64(chunk_off, chunk_off + chunk_size));
String8 chunk_data;
if (sect->has_layout) {
U64 chunk_size = lnk_virt_size_from_chunk_ref(sect_id_map, chunk_ref);
U64 chunk_foff = lnk_file_off_from_chunk_ref(sect_id_map, chunk_ref);
chunk_data = str8_substr(image_data, r1u64(chunk_foff, chunk_foff + chunk_size));
} else {
LNK_Chunk *chunk = sect->layout.chunk_ptr_array[final_chunk_ref.chunk_id];
Assert(chunk->type == LNK_Chunk_Leaf);
chunk_data = chunk->u.leaf;
}
return chunk_data;
}