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RSYM: force all sym files to have 0-based function offsets.

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NTOSKRNL: look for 0-based offsets instead of absolute offsets.

svn path=/trunk/; revision=12127
This commit is contained in:
Royce Mitchell III 2004-12-15 01:49:37 +00:00
parent 262a6b4866
commit 66468c3013
2 changed files with 25 additions and 14 deletions
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10
reactos/ntoskrnl/dbg/kdb_stabs.c
View file

@ -88,12 +88,10 @@ KdbpStabFindEntry(IN PIMAGE_SYMBOL_INFO SymbolInfo,
if (RelativeAddress != NULL)
{
if (StabEntry->n_value < (ULONG_PTR)SymbolInfo->ImageBase)
continue;
if (StabEntry->n_value >= ((ULONG_PTR)SymbolInfo->ImageBase + SymbolInfo->ImageSize))
if (StabEntry->n_value >= SymbolInfo->ImageSize)
continue;
SymbolRelativeAddress = StabEntry->n_value - (ULONG_PTR)SymbolInfo->ImageBase;
SymbolRelativeAddress = StabEntry->n_value;
if ((SymbolRelativeAddress <= (ULONG_PTR)RelativeAddress) &&
(SymbolRelativeAddress > AddrFound))
{
@ -109,9 +107,13 @@ KdbpStabFindEntry(IN PIMAGE_SYMBOL_INFO SymbolInfo,
}
if (BestStabEntry == NULL)
{
DPRINT("StabEntry not found!\n");
}
else
{
DPRINT("StabEntry found!\n");
}
return BestStabEntry;
}

9
reactos/tools/rsym.c
View file

@ -168,7 +168,9 @@ int main(int argc, char* argv[])
SYMBOLFILE_HEADER SymbolFileHeader;
IMAGE_DOS_HEADER PEDosHeader;
IMAGE_FILE_HEADER PEFileHeader;
PIMAGE_OPTIONAL_HEADER PEOptHeader;
PIMAGE_SECTION_HEADER PESectionHeaders;
ULONG ImageBase;
PVOID SymbolsBase;
ULONG SymbolsLength;
PVOID SymbolStringsBase;
@ -224,6 +226,11 @@ int main(int argc, char* argv[])
fseek(in, PEDosHeader.e_lfanew + sizeof(ULONG), SEEK_SET);
n_in = fread(&PEFileHeader, 1, sizeof(PEFileHeader), in);
/* Read optional header */
PEOptHeader = malloc(PEFileHeader.SizeOfOptionalHeader);
fread ( PEOptHeader, 1, PEFileHeader.SizeOfOptionalHeader, in );
ImageBase = PEOptHeader->ImageBase;
/* Read PE section headers */
PESectionHeaders = malloc(PEFileHeader.NumberOfSections * sizeof(IMAGE_SECTION_HEADER));
fseek(in, PEDosHeader.e_lfanew + sizeof(ULONG) + sizeof(IMAGE_FILE_HEADER)
@ -276,6 +283,8 @@ int main(int argc, char* argv[])
StabEntry[i].n_type == N_SO)
{
memmove(&StabEntry[Count], &StabEntry[i], sizeof(STAB_ENTRY));
if ( StabEntry[Count].n_value >= ImageBase )
StabEntry[Count].n_value -= ImageBase;
Count++;
}
}