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Squashed 'externals/xbyak/' changes from 2794cde7..671fc805

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671fc805 update test/cybozu
8ca86231 remove mutable in Address
8b93498f add cmpsb/scasb/...
7eb62750 avoid core_sharing_data_cache = 0 for some cloud envrionment
85767e95 support mingw64
59573e6e add PROTECT_RE mode for protect()
71b75f65 fix push(qword[mem])
811f4959 Merge branch 'rsdubtso-master'
8e3cb711 Account for potentially zero 0xb leaf when parsing cache/topology via cpuid
a816249f update version
fe083912 fix to avoid zero division for some virtual machine
f0a8f7fa update version
cac09b7a Merge pull request #62 from mgouicem/master
1f96b5e0 Fixes an error raised by clang < 3.9
c0f885ac Merge pull request #61 from mgouicem/master
bfe2d201 Change default value for n_cores in setCacheHierarchy.
fd587b55 change format and add getter for data_cache_size
80b3c7b9 remove macro
88189609 Merge branch 'mgouicem-master'
e6b79723 Adding queries to get the cpu topology on Intel architectures.
221384f0 vmov* supports [mem]|k|z
c04141ef define XBYAK_NO_OP_NAMES for test
af7f05ee add const for Label

git-subtree-dir: externals/xbyak
git-subtree-split: 671fc805d09d075f48d4625f183ef2e1ef725106
This commit is contained in:
MerryMage 2020-04-22 20:51:10 +01:00
parent 9fb82036ca
commit dbb1f8cf37
25 changed files with 425 additions and 204 deletions
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6
sample/static_buf.cpp
View file

@ -13,7 +13,6 @@ struct Code : Xbyak::CodeGenerator {
{
puts("generate");
printf("ptr=%p, %p\n", getCode(), buf);
Xbyak::CodeArray::protect(buf, sizeof(buf), true);
#ifdef XBYAK32
mov(eax, ptr [esp + 4]);
add(eax, ptr [esp + 8]);
@ -23,6 +22,11 @@ struct Code : Xbyak::CodeGenerator {
lea(rax, ptr [rdi + rsi]);
#endif
ret();
Xbyak::CodeArray::protect(buf, sizeof(buf), Xbyak::CodeArray::PROTECT_RE);
}
~Code()
{
Xbyak::CodeArray::protect(buf, sizeof(buf), Xbyak::CodeArray::PROTECT_RW);
}
} s_code;

9
sample/test0.cpp
View file

@ -162,18 +162,21 @@ int main()
{
// use memory allocated by user
using namespace Xbyak;
const size_t codeSize = 1024;
const size_t codeSize = 4096;
uint8 buf[codeSize + 16];
uint8 *p = CodeArray::getAlignedAddress(buf);
CodeArray::protect(p, codeSize, true);
Sample s(p, codeSize);
if (!CodeArray::protect(p, codeSize, CodeArray::PROTECT_RWE)) {
fprintf(stderr, "can't protect\n");
return 1;
}
int (*func)(int) = s.getCode<int (*)(int)>();
if (Xbyak::CastTo<uint8*>(func) != p) {
fprintf(stderr, "internal error %p %p\n", p, Xbyak::CastTo<uint8*>(func));
return 1;
}
printf("0 + ... + %d = %d\n", 100, func(100));
CodeArray::protect(p, codeSize, false);
CodeArray::protect(p, codeSize, CodeArray::PROTECT_RW);
}
puts("OK");
testReset();

3
sample/test_util.cpp
View file

@ -104,6 +104,9 @@ void putCPUinfo()
Core i7-3930K 6 2D
*/
cpu.putFamily();
for (unsigned int i = 0; i < cpu.getDataCacheLevels(); i++) {
printf("cache level=%u data cache size=%u cores sharing data cache=%u\n", i, cpu.getDataCacheSize(i), cpu.getCoresSharingDataCache(i));
}
}
int main()