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- Reduced the size of the symbol files, as only necessary symbol informations are copied.

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svn path=/trunk/; revision=8754
This commit is contained in:
Hartmut Birr 2004-03-15 21:31:45 +00:00
parent 6d7c68c262
commit 8536591b9d
1 changed files with 81 additions and 5 deletions
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86
reactos/tools/rsym.c
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@ -113,6 +113,25 @@ typedef struct _SYMBOLFILE_HEADER {
unsigned long StabstrLength;
} SYMBOLFILE_HEADER, *PSYMBOLFILE_HEADER;
typedef struct _STAB_ENTRY {
unsigned long n_strx; /* index into string table of name */
unsigned char n_type; /* type of symbol */
unsigned char n_other; /* misc info (usually empty) */
unsigned short n_desc; /* description field */
unsigned long n_value; /* value of symbol */
} STAB_ENTRY, *PSTAB_ENTRY;
#define N_FUN 0x24
#define N_SLINE 0x44
#define N_SO 0x64
typedef struct
{
unsigned long OldOffset;
unsigned long NewOffset;
char* Name;
unsigned long Length;
} STR_ENTRY, *PSTR_ENTRY;
char* convert_path(char* origpath)
{
@ -161,6 +180,13 @@ int main(int argc, char* argv[])
FILE* out;
int n_in;
int n_out;
PSTAB_ENTRY StabEntry;
ULONG Count;
ULONG i;
ULONG SymbolsCount;
PSTR_ENTRY StrEntry;
ULONG StrCount;
ULONG j;
if (argc != 3)
{
@ -239,14 +265,64 @@ int main(int argc, char* argv[])
}
}
StabEntry = SymbolsBase;
SymbolsCount = SymbolsLength / sizeof(STAB_ENTRY);
Count = 0;
for (i = 0; i < SymbolsCount; i++)
{
if (StabEntry[i].n_type == N_FUN ||
StabEntry[i].n_type == N_SLINE ||
StabEntry[i].n_type == N_SO)
{
memmove(&StabEntry[Count], &StabEntry[i], sizeof(STAB_ENTRY));
Count++;
}
}
StrEntry = malloc(sizeof(STR_ENTRY) * Count);
StrCount = 0;
for (i = 0; i < Count; i++)
{
for (j = 0; j < StrCount; j++)
{
if (StabEntry[i].n_strx == StrEntry[j].OldOffset)
{
StabEntry[i].n_strx = StrEntry[j].NewOffset;
break;
}
}
if (j >= StrCount)
{
StrEntry[StrCount].OldOffset = StabEntry[i].n_strx;
StrEntry[StrCount].Name = (char*)SymbolStringsBase + StrEntry[StrCount].OldOffset;
StrEntry[StrCount].Length = strlen(StrEntry[StrCount].Name) + 1;
if (StrCount == 0)
{
StrEntry[StrCount].NewOffset = 0;
}
else
{
StrEntry[StrCount].NewOffset = StrEntry[StrCount-1].NewOffset + StrEntry[StrCount-1].Length;
}
StabEntry[i].n_strx = StrEntry[StrCount].NewOffset;
StrCount++;
}
}
SymbolFileHeader.StabsOffset = sizeof(SYMBOLFILE_HEADER);
SymbolFileHeader.StabsLength = SymbolsLength;
SymbolFileHeader.StabstrOffset = SymbolFileHeader.StabsOffset + SymbolsLength;
SymbolFileHeader.StabstrLength = SymbolStringsLength;
SymbolFileHeader.StabsLength = Count * sizeof(STAB_ENTRY);
SymbolFileHeader.StabstrOffset = SymbolFileHeader.StabsOffset + SymbolFileHeader.StabsLength;
SymbolFileHeader.StabstrLength = StrEntry[StrCount-1].NewOffset + StrEntry[StrCount-1].Length;
n_out = fwrite(&SymbolFileHeader, 1, sizeof(SYMBOLFILE_HEADER), out);
n_out = fwrite(SymbolsBase, 1, SymbolsLength, out);
n_out = fwrite(SymbolStringsBase, 1, SymbolStringsLength, out);
n_out = fwrite(SymbolsBase, 1, SymbolFileHeader.StabsLength, out);
for (i = 0; i < StrCount; i++)
{
fwrite(StrEntry[i].Name, 1, StrEntry[i].Length, out);
}
fclose(out);
exit(0);
}