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This commit is contained in:
Ryan Fleury
2025-06-02 14:13:57 -07:00
parent cff99f5431
commit 94b969f203
283 changed files with 6600 additions and 6600 deletions
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src/dwarf/dwarf_unwind.c
+10 -10
View File
@@ -1,4 +1,4 @@
// Copyright (c) 2024 Epic Games Tools
// Copyright (c) Epic Games Tools
// Licensed under the MIT license (https://opensource.org/license/mit/)
internal U64 dw_based_range_read(void *base, Rng1U64 range, U64 off, U64 size, void *out) { return 0; }
@@ -25,9 +25,9 @@ dw_unwind_x64(String8 raw_text,
{
// TODO: What if ELF has two sections with instructions and pointer is ecnoded relative to .text2?
Temp scratch = scratch_begin(0, 0);
DW_UnwindResult result = {0};
dw_unwind_init_x64();
// rebase
@@ -46,7 +46,7 @@ dw_unwind_x64(String8 raw_text,
//- get frame info range
void *frame_base = raw_eh_frame.str;
Rng1U64 frame_range = rng_1u64(0, raw_eh_frame.size);
//- section vaddrs
U64 text_base_vaddr = text_vrange.min + rebase_voff_to_vaddr;
U64 frame_base_voff = text_vrange.min;
@@ -113,7 +113,7 @@ dw_unwind_x64(String8 raw_text,
result.is_invalid = 1;
}
}
// apply main row to modify the registers
if (main_row != 0) {
result = dw_unwind_x64__apply_frame_rules(raw_eh_frame, main_row, text_base_vaddr, read_memory, read_memory_ud, stack_pointer, regs);
@@ -133,7 +133,7 @@ dw_unwind_x64__apply_frame_rules(String8 raw_eh_frame,
DW_RegsX64 *regs)
{
DW_UnwindResult result = {0};
U64 missed_read_addr = 0;
//- setup a dwarf expression machine
@@ -375,7 +375,7 @@ dw_unwind_parse_pointer_x64(void *frame_base, Rng1U64 frame_range, DW_EhPtrCtx *
case DW_EhPtrEnc_SLEB128:
{
U64 size = dw_based_range_read_sleb128(frame_base, frame_range, pointer_off,
(S64*)&raw_pointer);
(S64*)&raw_pointer);
after_pointer_off = pointer_off + size;
} break;
}
@@ -588,7 +588,7 @@ internal DW_CFIRecords
dw_unwind_eh_frame_cfi_from_ip_slow_x64(String8 raw_eh_frame, DW_EhPtrCtx *ptr_ctx, U64 ip_voff)
{
Temp scratch = scratch_begin(0, 0);
DW_CFIRecords result = {0};
DW_CIEUnpackedNode *cie_first = 0;
@@ -622,7 +622,7 @@ dw_unwind_eh_frame_cfi_from_ip_slow_x64(String8 raw_eh_frame, DW_EhPtrCtx *ptr_c
Rng1U64 rec_range = rng_1u64(rec_off, rec_opl);
String8 raw_rec = str8_substr(raw_eh_frame, rec_range);
// discriminator
U64 discrim_off = after_rec_size_off;
U32 discrim = 0;
@@ -839,7 +839,7 @@ internal B32
dw_unwind_machine_run_to_ip_x64(void *base, Rng1U64 range, DW_CFIMachine *machine, U64 target_ip, DW_CFIRow *row)
{
Temp scratch = scratch_begin(0, 0);
B32 result = 0;
// pull out machine's equipment