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arm64 filter, relocation, defineSymbols

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modified:   Makefile
	modified:   bele.h
	modified:   filter/ct.h
	modified:   filteri.cpp
	modified:   linker.cpp
	modified:   miniacc.h
	modified:   p_lx_elf.cpp
	modified:   stub/arm64-linux.elf-entry.h
	modified:   stub/src/arm64-linux.elf-entry.S
This commit is contained in:
John Reiser
2017-03-05 21:05:13 -08:00
parent 4089cc6e6f
commit 68a2b91ccb
9 changed files with 142 additions and 95 deletions
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src/filter/ct.h
+41
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@@ -459,4 +459,45 @@ static int s_ct24arm_be(Filter *f)
#undef CT24ARM_BE
#undef ARMCT_COND
/*************************************************************************
// 26-bit ARM calltrick ("naive")
**************************************************************************/
#define CT26ARM_LE(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(b, get(b) + (addvalue)); \
f->calls++; \
} \
b += 4; \
} while (b < b_end); \
if (f->lastcall) f->lastcall += 4; \
return 0;
#define ARMCT_COND (((b[3] & 0x7C) == 0x14))
static int f_ct26arm_le(Filter *f)
{
CT26ARM_LE(f, ARMCT_COND, a / 4 + f->addvalue, get_le26, set_le26)
}
static int u_ct26arm_le(Filter *f)
{
CT26ARM_LE(f, ARMCT_COND, 0 - a / 4 - f->addvalue, get_le26, set_le26)
}
static int s_ct26arm_le(Filter *f)
{
CT26ARM_LE(f, ARMCT_COND, a + f->addvalue, get_le26, set_dummy)
}
#undef CT26ARM_LE
#undef ARMCT_COND
/* vim:set ts=4 sw=4 et: */