📄 coff.c
字号:
aux->Section.NumberOfRelocations,
aux->Section.NumberOfLinenumbers,
aux->Section.Number, aux->Section.Selection);
TRACE("More sect %d %s %08lx %d %d %d\n",
coff_sym->SectionNumber,
coff_get_name(coff_sym, coff_strtab),
coff_sym->Value, coff_sym->Type,
coff_sym->StorageClass, coff_sym->NumberOfAuxSymbols);
/*
* Duplicate the file entry. We have no way to describe
* multiple text sections in our current way of handling things.
*/
coff_add_file(&coff_files, msc_dbg->module, fn);
}
else
{
TRACE("New text sect from %s: %lx %x %x %d %d\n",
source_get(msc_dbg->module, coff_files.files[curr_file_idx].compiland->source),
aux->Section.Length,
aux->Section.NumberOfRelocations,
aux->Section.NumberOfLinenumbers,
aux->Section.Number, aux->Section.Selection);
}
if (coff_files.files[curr_file_idx].startaddr > coff_sym->Value)
{
coff_files.files[curr_file_idx].startaddr = coff_sym->Value;
}
if (coff_files.files[curr_file_idx].endaddr < coff_sym->Value + aux->Section.Length)
{
coff_files.files[curr_file_idx].endaddr = coff_sym->Value + aux->Section.Length;
}
coff_files.files[curr_file_idx].linetab_offset = linetab_indx;
coff_files.files[curr_file_idx].linecnt = aux->Section.NumberOfLinenumbers;
linetab_indx += aux->Section.NumberOfLinenumbers;
i += naux;
continue;
}
if (coff_sym->StorageClass == IMAGE_SYM_CLASS_STATIC && naux == 0 &&
coff_sym->SectionNumber == 1)
{
DWORD base = msc_dbg->sectp[coff_sym->SectionNumber - 1].VirtualAddress;
/*
* This is a normal static function when naux == 0.
* Just register it. The current file is the correct
* one in this instance.
*/
nampnt = coff_get_name(coff_sym, coff_strtab);
TRACE("\tAdding static symbol %s\n", nampnt);
/* FIXME: was adding symbol to this_file ??? */
coff_add_symbol(&coff_files.files[curr_file_idx],
&symt_new_function(msc_dbg->module,
coff_files.files[curr_file_idx].compiland,
nampnt,
msc_dbg->module->module.BaseOfImage + base + coff_sym->Value,
0 /* FIXME */,
NULL /* FIXME */)->symt);
i += naux;
continue;
}
if (coff_sym->StorageClass == IMAGE_SYM_CLASS_EXTERNAL &&
ISFCN(coff_sym->Type) && coff_sym->SectionNumber > 0)
{
struct symt_compiland* compiland = NULL;
DWORD base = msc_dbg->sectp[coff_sym->SectionNumber - 1].VirtualAddress;
nampnt = coff_get_name(coff_sym, coff_strtab);
TRACE("%d: %lx %s\n",
i, msc_dbg->module->module.BaseOfImage + base + coff_sym->Value,
nampnt);
TRACE("\tAdding global symbol %s (sect=%s)\n",
nampnt, msc_dbg->sectp[coff_sym->SectionNumber - 1].Name);
/*
* Now we need to figure out which file this guy belongs to.
*/
for (j = 0; j < coff_files.nfiles; j++)
{
if (coff_files.files[j].startaddr <= base + coff_sym->Value
&& coff_files.files[j].endaddr > base + coff_sym->Value)
{
compiland = coff_files.files[j].compiland;
break;
}
}
if (j < coff_files.nfiles)
{
coff_add_symbol(&coff_files.files[j],
&symt_new_function(msc_dbg->module, compiland, nampnt,
msc_dbg->module->module.BaseOfImage + base + coff_sym->Value,
0 /* FIXME */, NULL /* FIXME */)->symt);
}
else
{
symt_new_function(msc_dbg->module, NULL, nampnt,
msc_dbg->module->module.BaseOfImage + base + coff_sym->Value,
0 /* FIXME */, NULL /* FIXME */);
}
i += naux;
continue;
}
if (coff_sym->StorageClass == IMAGE_SYM_CLASS_EXTERNAL &&
coff_sym->SectionNumber > 0)
{
DWORD base = msc_dbg->sectp[coff_sym->SectionNumber - 1].VirtualAddress;
/*
* Similar to above, but for the case of data symbols.
* These aren't treated as entrypoints.
*/
nampnt = coff_get_name(coff_sym, coff_strtab);
TRACE("%d: %lx %s\n",
i, msc_dbg->module->module.BaseOfImage + base + coff_sym->Value,
nampnt);
TRACE("\tAdding global data symbol %s\n", nampnt);
/*
* Now we need to figure out which file this guy belongs to.
*/
symt_new_global_variable(msc_dbg->module, NULL, nampnt, TRUE /* FIXME */,
msc_dbg->module->module.BaseOfImage + base + coff_sym->Value,
0 /* FIXME */, NULL /* FIXME */);
i += naux;
continue;
}
if (coff_sym->StorageClass == IMAGE_SYM_CLASS_STATIC && naux == 0)
{
/*
* Ignore these. They don't have anything to do with
* reality.
*/
i += naux;
continue;
}
TRACE("Skipping unknown entry '%s' %d %d %d\n",
coff_get_name(coff_sym, coff_strtab),
coff_sym->StorageClass, coff_sym->SectionNumber, naux);
/*
* For now, skip past the aux entries.
*/
i += naux;
}
if (coff_files.files != NULL)
{
/*
* OK, we now should have a list of files, and we should have a list
* of entrypoints. We need to sort the entrypoints so that we are
* able to tie the line numbers with the given functions within the
* file.
*/
for (j = 0; j < coff_files.nfiles; j++)
{
if (coff_files.files[j].entries != NULL)
{
qsort(coff_files.files[j].entries, coff_files.files[j].neps,
sizeof(struct symt*), symt_cmp_addr);
}
}
/*
* Now pick apart the line number tables, and attach the entries
* to the given functions.
*/
for (j = 0; j < coff_files.nfiles; j++)
{
l = 0;
if (coff_files.files[j].neps != 0)
{
for (k = 0; k < coff_files.files[j].linecnt; k++)
{
linepnt = coff_linetab + coff_files.files[j].linetab_offset + k;
/*
* If we have spilled onto the next entrypoint, then
* bump the counter..
*/
for (;;)
{
if (l+1 >= coff_files.files[j].neps) break;
symt_get_info(coff_files.files[j].entries[l+1], TI_GET_ADDRESS, &addr);
if (((msc_dbg->module->module.BaseOfImage + linepnt->Type.VirtualAddress) < addr))
break;
l++;
}
if (coff_files.files[j].entries[l+1]->tag == SymTagFunction)
{
/*
* Add the line number. This is always relative to the
* start of the function, so we need to subtract that offset
* first.
*/
symt_get_info(coff_files.files[j].entries[l+1], TI_GET_ADDRESS, &addr);
symt_add_func_line(msc_dbg->module, (struct symt_function*)coff_files.files[j].entries[l+1],
coff_files.files[j].compiland->source, linepnt->Linenumber,
msc_dbg->module->module.BaseOfImage + linepnt->Type.VirtualAddress - addr);
}
}
}
}
for (j = 0; j < coff_files.nfiles; j++)
{
if (coff_files.files[j].entries != NULL)
{
HeapFree(GetProcessHeap(), 0, coff_files.files[j].entries);
}
}
HeapFree(GetProcessHeap(), 0, coff_files.files);
msc_dbg->module->module.SymType = SymCoff;
ret = TRUE;
}
return ret;
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -