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(Logical change 1.205)

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hp.com!davidm 2004-04-20 16:53:44 +00:00
parent 662957d585
commit 36c7442db3
2 changed files with 45 additions and 0 deletions
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25
src/mi/_ReadSLEB.c
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#include <libunwind.h>
unw_word_t
_ReadSLEB (unsigned char **dpp)
{
unsigned shift = 0;
unw_word_t byte, result = 0;
unsigned char *bp = *dpp;
while (1)
{
byte = *bp++;
result |= (byte & 0x7f) << shift;
if ((byte & 0x80) == 0)
break;
shift += 7;
}
if (shift < 8 * sizeof (unw_word_t) && (byte & 0x40) != 0)
/* sign-extend negative value */
result |= ((unw_word_t) -1) << shift;
*dpp = bp;
return result;
}

20
src/mi/_ReadULEB.c
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#include <libunwind.h>
unw_word_t
_ReadULEB (unsigned char **dpp)
{
unsigned shift = 0;
unw_word_t byte, result = 0;
unsigned char *bp = *dpp;
while (1)
{
byte = *bp++;
result |= (byte & 0x7f) << shift;
if ((byte & 0x80) == 0)
break;
shift += 7;
}
*dpp = bp;
return result;
}