080b4b3aff
4a6fac8a update version to 5.77 801cf3fd cosmetic change of getNumCores d397e824 fix number of cores that share LLC cache a669e092 support non-intel-cpu visual studio af5f422e Merge branch 'fenghaitao-guard_x86' into develop 9b98dc17 Guard x86 specific codes with "#if defined(__i386__) || defined(__x86_64__)" dd4173e1 move some member variables input private f72646a7 update version 4612528f format change 4b95e862 Merge branch 'shelleygoel-master' 4c262fa6 add functionality to get num of cores using x2APIC ID bc70e7e1 recover Xbyak::CastTo d09a230f unlink Label when LabelManager is destroyed 973e8597 update version afdb9fe9 Xbyak::CastTo is removed b011aca4 add RegRip +/- int acae93cd increase max temp regs for StackFrame ea4e3562 util::StackFrame uses push/pop instead of mov 42462ef9 use evex encoding for vpslld/vpslldq/vpsraw/...(reg, mem, imm); da9117a9 update version of readme.md d35f4fb7 fix the encoding of vinsertps for disp8N 1de435ed bf uses Label class 613922bd add Label L() for convenience 43e15583 fix typo 93579ee6 add protect-re.cpp 60004b5c fix url of protect-re.cpp 348b2709 fix typo of doc f34f6ed5 update manual 232110be update test 82b78bf0 add setProtectMode dd8b290f put warning message if pageSize != 4096 64775ca2 a little refactoring 7c3e7b85 fix wrong VSIB encoding with idx >= 16 git-subtree-dir: externals/xbyak git-subtree-split: 4a6fac8ade404f667b94170f713367fe7da2a852
70 lines
1.2 KiB
C++
70 lines
1.2 KiB
C++
#define XBYAK_NO_OP_NAMES
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#include <xbyak/xbyak.h>
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struct Code1 : Xbyak::CodeGenerator {
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Code1()
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: Xbyak::CodeGenerator(4096, Xbyak::DontSetProtectRWE)
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{
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mov(eax, 123);
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ret();
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}
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void update()
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{
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db(0);
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}
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};
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void test1(bool updateCode)
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{
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Code1 c;
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c.setProtectModeRE();
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if (updateCode) c.update(); // segmentation fault
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int (*f)() = c.getCode<int (*)()>();
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printf("f=%d\n", f());
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c.setProtectModeRW();
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c.update();
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puts("ok");
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}
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struct Code2 : Xbyak::CodeGenerator {
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Code2()
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: Xbyak::CodeGenerator(4096, Xbyak::AutoGrow)
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{
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mov(eax, 123);
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ret();
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}
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void update()
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{
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db(0);
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}
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};
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void test2(bool updateCode)
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{
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Code2 c;
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c.readyRE();
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if (updateCode) c.update(); // segmentation fault
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int (*f)() = c.getCode<int (*)()>();
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printf("f=%d\n", f());
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c.setProtectModeRW();
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c.update();
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puts("ok");
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}
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int main(int argc, char *argv[])
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{
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if (argc < 2) {
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fprintf(stderr, "%s <testNum> [update]\n", argv[0]);
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return 0;
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}
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bool update = argc == 3;
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int n = atoi(argv[1]);
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printf("n=%d update=%d\n", n, update);
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switch (n) {
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case 1: test1(update); break;
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case 2: test2(update); break;
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default: fprintf(stderr, "no test %d\n", n); break;
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}
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}
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