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CT24ARM needs big+little endian versions

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This commit is contained in:
John Reiser 2006-06-21 13:57:12 -07:00
parent 7dbc1d894b
commit 9181bcd9a7
1 changed files with 26 additions and 8 deletions
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34
src/filter/ct.h
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@ -387,7 +387,7 @@ static int s_ct32_e8e9_bswap_be(Filter *f)
// 24-bit ARM calltrick ("naive")
**************************************************************************/
#define CT24ARM(f, cond, addvalue, get, set) \
#define CT24ARM_LE(f, cond, addvalue, get, set) \
upx_byte *b = f->buf; \
upx_byte *b_end = b + f->buf_len - 4; \
do { \
@ -408,37 +408,55 @@ static int s_ct32_e8e9_bswap_be(Filter *f)
static int f_ct24arm_le(Filter *f)
{
CT24ARM(f, ARMCT_COND_le, a / 4 + f->addvalue, get_le24, set_le24)
CT24ARM_LE(f, ARMCT_COND_le, a / 4 + f->addvalue, get_le24, set_le24)
}
static int u_ct24arm_le(Filter *f)
{
CT24ARM(f, ARMCT_COND_le, 0 - a / 4 - f->addvalue, get_le24, set_le24)
CT24ARM_LE(f, ARMCT_COND_le, 0 - a / 4 - f->addvalue, get_le24, set_le24)
}
static int s_ct24arm_le(Filter *f)
{
CT24ARM(f, ARMCT_COND_le, a + f->addvalue, get_le24, set_dummy)
CT24ARM_LE(f, ARMCT_COND_le, a + f->addvalue, get_le24, set_dummy)
}
#undef CT24ARM_LE
#define CT24ARM_BE(f, cond, addvalue, get, set) \
upx_byte *b = f->buf; \
upx_byte *b_end = b + f->buf_len - 4; \
do { \
if (cond) \
{ \
unsigned a = (unsigned) (b - f->buf); \
f->lastcall = a; \
set(1+b, get(1+b) + (addvalue)); \
f->calls++; \
} \
b += 4; \
} while (b < b_end); \
if (f->lastcall) f->lastcall += 4; \
return 0;
#define ARMCT_COND_be (((b[0] & 0x0f) == 0x0b))
static int f_ct24arm_be(Filter *f)
{
CT24ARM(f, ARMCT_COND_be, a / 4 + f->addvalue, get_be24, set_be24)
CT24ARM_BE(f, ARMCT_COND_be, a / 4 + f->addvalue, get_be24, set_be24)
}
static int u_ct24arm_be(Filter *f)
{
CT24ARM(f, ARMCT_COND_be, 0 - a / 4 - f->addvalue, get_be24, set_be24)
CT24ARM_BE(f, ARMCT_COND_be, 0 - a / 4 - f->addvalue, get_be24, set_be24)
}
static int s_ct24arm_be(Filter *f)
{
CT24ARM(f, ARMCT_COND_be, a + f->addvalue, get_be24, set_dummy)
CT24ARM_BE(f, ARMCT_COND_be, a + f->addvalue, get_be24, set_dummy)
}
#undef CT24ARM
#undef CT24ARM_BE
#undef ARMCT_COND
/*