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pdb converter - new location info building for all cases

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This commit is contained in:
Ryan Fleury
2025-09-05 15:19:30 -07:00
parent 6f9b22b258
commit cd77ddb1b7
2 changed files with 41 additions and 2 deletions
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src/rdi_from_pdb/rdi_from_pdb_2.c
+40 -1
View File
@@ -39,9 +39,38 @@ p2r2_location_info_from_addr_reg_off(Arena *arena, RDI_Arch arch, RDI_RegCode re
}
internal void
p2r2_location_over_lvar_addr_range(Arena *arena, RDIM_ScopeChunkList *scopes, RDIM_LocationSet *locset, RDIM_Location *location, CV_LvarAddrRange *range, COFF_SectionHeader *section, CV_LvarAddrGap *gaps, U64 gap_count)
p2r2_local_push_location_cases_over_lvar_addr_range(Arena *arena, RDIM_ScopeChunkList *scopes, RDIM_Local *local, RDIM_Location2 *loc, CV_LvarAddrRange *range, COFF_SectionHeader *section, CV_LvarAddrGap *gaps, U64 gap_count)
{
//- rjf: extract range info
U64 voff_first = 0;
U64 voff_opl = 0;
if(section != 0)
{
voff_first = section->voff + range->off;
voff_opl = voff_first + range->len;
}
//- rjf: emit location for ranges not coverd by gaps
CV_LvarAddrGap *gap_ptr = gaps;
U64 voff_cursor = voff_first;
for(U64 i = 0; i < gap_count; i += 1, gap_ptr += 1)
{
U64 voff_gap_first = voff_first + gap_ptr->off;
U64 voff_gap_opl = voff_gap_first + gap_ptr->len;
if(voff_cursor < voff_gap_first)
{
RDIM_Rng1U64 voff_range = {voff_cursor, voff_gap_first};
rdim_local_push_location_case(arena, scopes, local, loc, voff_range);
}
voff_cursor = voff_gap_opl;
}
//- rjf: emit remaining range
if(voff_cursor < voff_opl)
{
RDIM_Rng1U64 voff_range = {voff_cursor, voff_opl};
rdim_local_push_location_case(arena, scopes, local, loc, voff_range);
}
}
internal RDIM_BakeParams
@@ -3419,9 +3448,12 @@ p2r2_convert(Arena *arena, P2R_ConvertParams *params)
RDI_RegCode reg_code = p2r_rdi_reg_code_from_cv_reg_code(arch, cv_reg);
// rjf: build location
RDIM_LocationInfo loc_info = {RDI_LocationKind_ValReg, reg_code};
RDIM_Location2 *loc = rdim_location_chunk_list_push_new(arena, sym_locations, sym_locations_chunk_cap, &loc_info);
RDIM_Location *location = rdim_push_location_val_reg(arena, reg_code);
// rjf: emit locations over ranges
p2r2_local_push_location_cases_over_lvar_addr_range(arena, sym_scopes, defrange_target2, loc, range, range_section, gaps, gap_count);
p2r_location_over_lvar_addr_range(arena, sym_scopes, defrange_target, location, range, range_section, gaps, gap_count);
}break;
@@ -3473,6 +3505,7 @@ p2r2_convert(Arena *arena, P2R_ConvertParams *params)
RDIM_Location2 *location = rdim_location_chunk_list_push_new(arena, sym_locations, sym_locations_chunk_cap, &location_info);
// rjf: emit locations over ranges
p2r2_local_push_location_cases_over_lvar_addr_range(arena, sym_scopes, defrange_target2, location, range, range_section, gaps, gap_count);
// TODO(rjf): p2r_location_over_lvar_addr_range(arena, &sym_scopes, defrange_target, location, range, range_section, gaps, gap_count);
}break;
@@ -3506,9 +3539,12 @@ p2r2_convert(Arena *arena, P2R_ConvertParams *params)
}
// rjf: build location
RDIM_LocationInfo loc_info = {RDI_LocationKind_ValReg, reg_code};
RDIM_Location2 *loc = rdim_location_chunk_list_push_new(arena, sym_locations, sym_locations_chunk_cap, &loc_info);
RDIM_Location *location = rdim_push_location_val_reg(arena, reg_code);
// rjf: emit locations over ranges
p2r2_local_push_location_cases_over_lvar_addr_range(arena, sym_scopes, defrange_target2, loc, range, range_section, gaps, gap_count);
p2r_location_over_lvar_addr_range(arena, sym_scopes, defrange_target, location, range, range_section, gaps, gap_count);
}break;
@@ -3589,9 +3625,12 @@ p2r2_convert(Arena *arena, P2R_ConvertParams *params)
U32 byte_pos = 0;
B32 extra_indirection_to_value = 0;
S64 var_off = defrange_register_rel->reg_off;
RDIM_LocationInfo loc_info = p2r2_location_info_from_addr_reg_off(arena, arch, reg_code, byte_size, byte_pos, var_off, extra_indirection_to_value);
RDIM_Location2 *loc = rdim_location_chunk_list_push_new(arena, sym_locations, sym_locations_chunk_cap, &loc_info);
RDIM_Location *location = p2r_location_from_addr_reg_off(arena, arch, reg_code, byte_size, byte_pos, var_off, extra_indirection_to_value);
// rjf: emit locations over ranges
p2r2_local_push_location_cases_over_lvar_addr_range(arena, sym_scopes, defrange_target2, loc, range, range_section, gaps, gap_count);
p2r_location_over_lvar_addr_range(arena, sym_scopes, defrange_target, location, range, range_section, gaps, gap_count);
}break;
src/rdi_from_pdb/rdi_from_pdb_2.h
+1 -1
View File
@@ -109,7 +109,7 @@ struct P2R2_Shared
global P2R2_Shared *p2r2_shared = 0;
internal RDIM_LocationInfo p2r2_location_info_from_addr_reg_off(Arena *arena, RDI_Arch arch, RDI_RegCode reg_code, U32 reg_byte_size, U32 reg_byte_pos, S64 offset, B32 extra_indirection);
internal void p2r2_location_over_lvar_addr_range(Arena *arena, RDIM_ScopeChunkList *scopes, RDIM_LocationSet *locset, RDIM_Location *location, CV_LvarAddrRange *range, COFF_SectionHeader *section, CV_LvarAddrGap *gaps, U64 gap_count);
internal void p2r2_local_push_location_cases_over_lvar_addr_range(Arena *arena, RDIM_ScopeChunkList *scopes, RDIM_Local *local, RDIM_Location2 *loc, CV_LvarAddrRange *range, COFF_SectionHeader *section, CV_LvarAddrGap *gaps, U64 gap_count);
internal RDIM_BakeParams p2r2_convert(Arena *arena, P2R_ConvertParams *params);