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eliminate assumptions of module presence in unwinding codepaths, & callstack UI; fixes callstacks for JIT'd code

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Ryan Fleury
2024-01-23 14:26:43 -08:00
parent 8bf8112edd
commit 804a8406b9
4 changed files with 84 additions and 98 deletions
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src/pe/pe.c
+43 -43
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@@ -236,56 +236,56 @@ pe_bin_info_from_data(Arena *arena, String8 data)
internal U64
pe_intel_pdata_off_from_voff__binary_search(String8 data, PE_BinInfo *bin, U64 voff)
{
// TODO(allen): cleanup pass.
Assert(bin->arch == Architecture_x86 || bin->arch == Architecture_x64);
Rng1U64 range = bin->data_dir_franges[PE_DataDirectoryIndex_EXCEPTIONS];
U64 pdata_off = range.min;
U64 pdata_count = (range.max - range.min)/sizeof(PE_IntelPdata);
U64 result = 0;
// check if this bin includes a pdata array
if(pdata_count > 0)
if(bin->arch != Architecture_Null)
{
PE_IntelPdata *pdata_array = (PE_IntelPdata*)(data.str + pdata_off);
if(voff >= pdata_array[0].voff_first)
Rng1U64 range = bin->data_dir_franges[PE_DataDirectoryIndex_EXCEPTIONS];
U64 pdata_off = range.min;
U64 pdata_count = (range.max - range.min)/sizeof(PE_IntelPdata);
// check if this bin includes a pdata array
if(pdata_count > 0)
{
// binary search:
// find max index s.t. pdata_array[index].voff_first <= voff
// we assume (i < j) -> (pdata_array[i].voff_first < pdata_array[j].voff_first)
U64 index = pdata_count;
U64 min = 0;
U64 opl = pdata_count;
for(;;)
PE_IntelPdata *pdata_array = (PE_IntelPdata*)(data.str + pdata_off);
if(voff >= pdata_array[0].voff_first)
{
U64 mid = (min + opl)/2;
PE_IntelPdata *pdata = pdata_array + mid;
if(voff < pdata->voff_first)
// binary search:
// find max index s.t. pdata_array[index].voff_first <= voff
// we assume (i < j) -> (pdata_array[i].voff_first < pdata_array[j].voff_first)
U64 index = pdata_count;
U64 min = 0;
U64 opl = pdata_count;
for(;;)
{
opl = mid;
U64 mid = (min + opl)/2;
PE_IntelPdata *pdata = pdata_array + mid;
if(voff < pdata->voff_first)
{
opl = mid;
}
else if(pdata->voff_first < voff)
{
min = mid;
}
else
{
index = mid;
break;
}
if(min + 1 >= opl)
{
index = min;
break;
}
}
else if(pdata->voff_first < voff)
// if we are in range fill result
{
min = mid;
}
else
{
index = mid;
break;
}
if(min + 1 >= opl)
{
index = min;
break;
}
}
// if we are in range fill result
{
PE_IntelPdata *pdata = pdata_array + index;
if(pdata->voff_first <= voff && voff < pdata->voff_one_past_last)
{
result = pdata_off + index*sizeof(PE_IntelPdata);
PE_IntelPdata *pdata = pdata_array + index;
if(pdata->voff_first <= voff && voff < pdata->voff_one_past_last)
{
result = pdata_off + index*sizeof(PE_IntelPdata);
}
}
}
}