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simplify section table

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Nikita Smith authored and Ryan Fleury committed 2025-06-25 10:53:24 -07:00
1 parent ecdee57c60
commit 9d93eda3ed
6 files changed
+175 -242
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src/linker/lnk_section_table.h
+32 -48
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@@ -20,18 +20,9 @@ typedef struct LNK_SectionContrib
U8 unused[2];
};
} u;
U16 align; // alignment of the contribution in the image
U16 align; // contribution alignment in the image
} LNK_SectionContrib;
typedef struct LNK_CommonBlockContrib
{
struct LNK_Symbol *symbol;
union {
U32 size;
U32 offset;
} u;
} LNK_CommonBlockContrib;
typedef struct LNK_SectionContribChunk
{
struct LNK_SectionContribChunk *next;
@@ -49,24 +40,14 @@ typedef struct LNK_SectionContribChunkList
LNK_SectionContribChunk *last;
} LNK_SectionContribChunkList;
typedef struct LNK_SectionDefinition
{
String8 name;
COFF_SectionFlags flags;
U64 contribs_count;
struct LNK_Obj *obj;
U64 obj_sect_idx;
} LNK_SectionDefinition;
typedef struct LNK_Section
{
U64 id;
String8 name;
COFF_SectionFlags flags;
B32 is_merged;
U64 merge_id;
LNK_SectionContribChunkList contribs;
struct LNK_Section *merge_dst;
U64 voff;
U64 vsize;
U64 fsize;
@@ -97,23 +78,44 @@ typedef struct LNK_SectionArray
typedef struct LNK_SectionTable
{
Arena *arena;
U64 id_max;
U64 next_sect_idx;
LNK_SectionList list;
LNK_SectionList merge_list;
HashTable *sect_ht; // name -> LNK_Section *
HashTable *sect_ht; // (name * COFF_SectionFlags) -> LNK_Section *
U64 next_sect_idx;
} LNK_SectionTable;
////////////////////////////////
// --- Section Contrib Chunk List ----------------------------------------------
internal U8 lnk_code_align_byte_from_machine(COFF_MachineType machine);
internal U16 lnk_default_align_from_machine(COFF_MachineType machine);
internal LNK_SectionContrib * lnk_section_contrib_chunk_push(LNK_SectionContribChunk *chunk, U64 count);
internal LNK_SectionContrib * lnk_section_contrib_chunk_push_atomic(LNK_SectionContribChunk *chunk, U64 count);
internal LNK_SectionContribChunk * lnk_section_contrib_chunk_list_push_chunk(Arena *arena, LNK_SectionContribChunkList *list, U64 cap, String8 sort_idx);
internal void lnk_section_contrib_chunk_list_concat_in_place(LNK_SectionContribChunkList *list, LNK_SectionContribChunkList *to_concat);
internal LNK_SectionContribChunk ** lnk_array_from_section_contrib_chunk_list(Arena *arena, LNK_SectionContribChunkList list);
////////////////////////////////
// --- Section List ------------------------------------------------------------
internal LNK_SectionArray lnk_section_array_from_list(Arena *arena, LNK_SectionList list);
////////////////////////////////
// --- Section Table -----------------------------------------------------------
internal String8 lnk_make_name_with_flags(Arena *arena, String8 name, COFF_SectionFlags flags);
internal LNK_SectionTable * lnk_section_table_alloc(void);
internal void lnk_section_table_release(LNK_SectionTable **sectab_ptr);
internal LNK_Section * lnk_section_table_push(LNK_SectionTable *sectab, String8 name, COFF_SectionFlags flags);
internal LNK_SectionNode * lnk_section_table_remove(LNK_SectionTable *sectab, String8 name);
internal LNK_Section * lnk_section_table_search(LNK_SectionTable *sectab, String8 name, COFF_SectionFlags flags);
internal LNK_SectionArray lnk_section_table_search_many(Arena *arena, LNK_SectionTable *sectab, String8 full_or_partial_name);
internal void lnk_section_table_merge(LNK_SectionTable *sectab, LNK_MergeDirectiveList merge_list);
// --- Section Finalization ----------------------------------------------------
internal void lnk_finalize_section_layout (LNK_Section *sect, U64 file_align);
internal void lnk_assign_section_index (LNK_Section *sect, U64 sect_idx);
internal void lnk_assign_section_virtual_space(LNK_Section *sect, U64 sect_align, U64 *voff_cursor);
internal void lnk_assign_section_file_space (LNK_Section *sect, U64 *foff_cursor);
// --- Section Contribution ----------------------------------------------------
internal U64 lnk_size_from_section_contrib(LNK_SectionContrib *sc);
internal U64 lnk_voff_from_section_contrib(COFF_SectionHeader **image_section_table, LNK_SectionContrib *sc);
@@ -124,21 +126,3 @@ internal LNK_SectionContrib * lnk_get_first_section_contrib(LNK_Section *sect);
internal LNK_SectionContrib * lnk_get_last_section_contrib(LNK_Section *sect);
internal U64 lnk_get_section_contrib_size(LNK_Section *sect);
internal U64 lnk_get_first_section_contrib_voff(COFF_SectionHeader **image_section_table, LNK_Section *sect);
////////////////////////////////
internal LNK_SectionTable * lnk_section_table_alloc(void);
internal void lnk_section_table_release(LNK_SectionTable **st_ptr);
internal LNK_Section * lnk_section_table_push(LNK_SectionTable *sectab, String8 name, COFF_SectionFlags flags);
internal LNK_SectionNode * lnk_section_table_remove(LNK_SectionTable *sectab, String8 name);
internal LNK_Section * lnk_section_table_search(LNK_SectionTable *sectab, String8 name, COFF_SectionFlags flags);
internal LNK_SectionArray lnk_section_table_search_many(Arena *arena, LNK_SectionTable *sectab, String8 full_or_partial_name);
internal void lnk_section_table_merge(LNK_SectionTable *sectab, LNK_MergeDirectiveList merge_list);
internal LNK_SectionArray lnk_section_table_get_output_sections(Arena *arena, LNK_SectionTable *sectab);
internal LNK_Section * lnk_finalized_section_from_id(LNK_SectionTable *sectab, U64 id);
internal LNK_SectionArray lnk_section_table_get_output_sections(Arena *arena, LNK_SectionTable *sectab);
internal void lnk_finalize_section_layout(LNK_SectionTable *sectab, LNK_Section *sect, U64 file_align);
internal void lnk_assign_section_index(LNK_Section *sect, U64 sect_idx);
internal void lnk_assign_section_virtual_space(LNK_Section *sect, U64 sect_align, U64 *voff_cursor);
internal void lnk_assign_section_file_space(LNK_Section *sect, U64 *foff_cursor);