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gas data sizes

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Ciro Santilli 六四事件 法轮功
2019-05-09 00:00:01 +00:00
parent 5e55547ce1
commit 7014d34576
4 changed files with 143 additions and 3 deletions
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29
userland/arch/aarch64/gas_data_sizes.S Normal file
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/* https://github.com/cirosantilli/linux-kernel-module-cheat#gas-data-sizes */
#include "common.h"
ENTRY
#define ASSERT_DIFF(label1, label2, result) \
adr x0, label1; \
adr x1, label2; \
sub x0, x1, x0; \
ASSERT_EQ(x0, result)
ASSERT_DIFF(mybyte, myword, 1)
ASSERT_DIFF(myword, mylong, 4)
ASSERT_DIFF(mylong, myquad, 4)
ASSERT_DIFF(myquad, myocta, 8)
ASSERT_DIFF(myocta, theend, 16)
#undef ASSERT_DIF
EXIT
mybyte:
.byte 0x12
myword:
.word 0x1234
mylong:
.long 0x12345678
myquad:
.quad 0x123456789ABCDEF0
myocta:
.octa 0x123456789ABCDEF0123456789ABCDEF0
theend:

28
userland/arch/arm/gas_data_sizes.S Normal file
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#include "common.h"
.data
mybyte:
.byte 0x12
myword:
.word 0x1234
mylong:
.long 0x12345678
myquad:
.quad 0x123456789ABCDEF0
myocta:
.octa 0x123456789ABCDEF0123456789ABCDEF0
theend:
ENTRY
#define ASSERT_DIFF(label1, label2, result) \
ldr r0, =label1; \
ldr r1, =label2; \
sub r0, r1, r0; \
ASSERT_EQ(r0, result)
ASSERT_DIFF(mybyte, myword, 1)
ASSERT_DIFF(myword, mylong, 4)
ASSERT_DIFF(mylong, myquad, 4)
ASSERT_DIFF(myquad, myocta, 8)
ASSERT_DIFF(myocta, theend, 16)
#undef ASSERT_DIF
EXIT

28
userland/arch/x86_64/gas_data_sizes.S Normal file
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/* https://github.com/cirosantilli/linux-kernel-module-cheat#gas-data-sizes */
#include "common.h"
ENTRY
#define ASSERT_DIFF(label1, label2, result) \
mov $label2, %rax; \
sub $label1, %rax; \
ASSERT_EQ(%rax, $result)
ASSERT_DIFF(mybyte, myword, 1)
ASSERT_DIFF(myword, mylong, 2)
ASSERT_DIFF(mylong, myquad, 4)
ASSERT_DIFF(myquad, myocta, 8)
ASSERT_DIFF(myocta, theend, 16)
#undef ASSERT_DIF
EXIT
mybyte:
.byte 0x12
myword:
.word 0x1234
mylong:
.long 0x12345678
myquad:
.quad 0x123456789ABCDEF0
myocta:
.octa 0x123456789ABCDEF0123456789ABCDEF0
theend: