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winedump: Fix computation of signed integers in codeview symbol's annotations. 

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Eric Pouech 2021-11-08 14:57:18 +01:00 committed by Alexandre Julliard
parent 7ec312902b
commit 27b7a96d9b
1 changed files with 7 additions and 2 deletions
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9
tools/winedump/msc.c
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@ -1221,6 +1221,11 @@ static unsigned binannot_uncompress(const unsigned char** pptr)
return res; return res;
} }
static inline int binannot_getsigned(unsigned i)
{
return (i & 1) ? -(int)(i >> 1) : (i >> 1);
}
static void dump_binannot(const unsigned char* ba, const char* last, const char* pfx) static void dump_binannot(const unsigned char* ba, const char* last, const char* pfx)
{ {
while (ba < (const unsigned char*)last) while (ba < (const unsigned char*)last)
@ -1248,7 +1253,7 @@ static void dump_binannot(const unsigned char* ba, const char* last, const char*
printf("%sChangeFile %u\n", pfx, binannot_uncompress(&ba)); printf("%sChangeFile %u\n", pfx, binannot_uncompress(&ba));
break; break;
case BA_OP_ChangeLineOffset: case BA_OP_ChangeLineOffset:
printf("%sChangeLineOffset %d\n", pfx, binannot_uncompress(&ba)); printf("%sChangeLineOffset %d\n", pfx, binannot_getsigned(binannot_uncompress(&ba)));
break; break;
case BA_OP_ChangeLineEndDelta: case BA_OP_ChangeLineEndDelta:
printf("%sChangeLineEndDelta %u\n", pfx, binannot_uncompress(&ba)); printf("%sChangeLineEndDelta %u\n", pfx, binannot_uncompress(&ba));
@ -1265,7 +1270,7 @@ static void dump_binannot(const unsigned char* ba, const char* last, const char*
case BA_OP_ChangeCodeOffsetAndLineOffset: case BA_OP_ChangeCodeOffsetAndLineOffset:
{ {
unsigned p1 = binannot_uncompress(&ba); unsigned p1 = binannot_uncompress(&ba);
printf("%sChangeCodeOffsetAndLineOffset %u %u (0x%x)\n", pfx, p1 & 0xf, p1 >> 4, p1); printf("%sChangeCodeOffsetAndLineOffset %u %u (0x%x)\n", pfx, p1 & 0xf, binannot_getsigned(p1 >> 4), p1);
} }
break; break;
case BA_OP_ChangeCodeLengthAndCodeOffset: case BA_OP_ChangeCodeLengthAndCodeOffset: