[lldb] [lit] Introduce tests for reading x86 general purpose registers
Introduce tests for reading the eight x86 general purpose registers, i.e. RAX/RBX/RCX/RDX/RBP/RSP/RSI/RDI and their shorter counterparts. The test comes in separate 32-bit and 64-bit variant, targeting appropriate processors. While technically the 32-bit test could run on amd64, it would be redundant to the 64-bit version, so just run one of them on each arch. Differential Revision: https://reviews.llvm.org/D61210 llvm-svn: 359438
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Michal Gorny
parent
c570b2a2e5
commit
d25710f5a0
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#include <cstdint>
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int main() {
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constexpr uint64_t rax = 0x0102030405060708;
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constexpr uint64_t rbx = 0x1112131415161718;
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constexpr uint64_t rcx = 0x2122232425262728;
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constexpr uint64_t rdx = 0x3132333435363738;
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constexpr uint64_t rsp = 0x4142434445464748;
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constexpr uint64_t rbp = 0x5152535455565758;
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constexpr uint64_t rsi = 0x6162636465666768;
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constexpr uint64_t rdi = 0x7172737475767778;
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asm volatile(
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// save rsp & rbp
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"movq %%rsp, %%r8\n\t"
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"movq %%rbp, %%r9\n\t"
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"\n\t"
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"movq %0, %%rax\n\t"
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"movq %1, %%rbx\n\t"
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"movq %2, %%rcx\n\t"
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"movq %3, %%rdx\n\t"
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"movq %4, %%rsp\n\t"
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"movq %5, %%rbp\n\t"
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"movq %6, %%rsi\n\t"
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"movq %7, %%rdi\n\t"
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"\n\t"
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"int3\n\t"
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"\n\t"
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// restore rsp & rbp
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"movq %%r8, %%rsp\n\t"
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"movq %%r9, %%rbp"
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:
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: "i"(rax), "i"(rbx), "i"(rcx), "i"(rdx), "i"(rsp), "i"(rbp), "i"(rsi),
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"i"(rdi)
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: "%rax", "%rbx", "%rcx", "%rdx", "%rsp", "%rbp", "%rsi", "%rdi", "%r8",
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"%r9"
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);
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return 0;
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}
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#include <cstdint>
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int main() {
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constexpr uint32_t eax = 0x05060708;
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constexpr uint32_t ebx = 0x15161718;
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constexpr uint32_t ecx = 0x25262728;
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constexpr uint32_t edx = 0x35363738;
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constexpr uint32_t esp = 0x45464748;
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constexpr uint32_t ebp = 0x55565758;
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constexpr uint32_t esi = 0x65666768;
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constexpr uint32_t edi = 0x75767778;
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asm volatile(
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// save esp & ebp
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"movd %%esp, %%mm0\n\t"
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"movd %%ebp, %%mm1\n\t"
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"\n\t"
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"movl %0, %%eax\n\t"
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"movl %1, %%ebx\n\t"
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"movl %2, %%ecx\n\t"
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"movl %3, %%edx\n\t"
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"movl %4, %%esp\n\t"
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"movl %5, %%ebp\n\t"
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"movl %6, %%esi\n\t"
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"movl %7, %%edi\n\t"
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"\n\t"
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"int3\n\t"
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"\n\t"
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// restore esp & ebp
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"movd %%mm0, %%esp\n\t"
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"movd %%mm1, %%ebp\n\t"
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:
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: "i"(eax), "i"(ebx), "i"(ecx), "i"(edx), "i"(esp), "i"(ebp), "i"(esi),
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"i"(edi)
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: "%eax", "%ebx", "%ecx", "%edx", "%esp", "%ebp", "%esi", "%edi", "%mm0",
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"%mm1"
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);
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return 0;
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}
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# XFAIL: system-windows
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# REQUIRES: native && target-x86_64
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# RUN: %clangxx -fomit-frame-pointer %p/Inputs/x86-64-gp-read.cpp -o %t
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# RUN: %lldb -b -s %s %t | FileCheck %s
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process launch
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register read --all
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# CHECK-DAG: rax = 0x0102030405060708
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# CHECK-DAG: rbx = 0x1112131415161718
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# CHECK-DAG: rcx = 0x2122232425262728
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# CHECK-DAG: rdx = 0x3132333435363738
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# CHECK-DAG: rdi = 0x7172737475767778
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# CHECK-DAG: rsi = 0x6162636465666768
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# CHECK-DAG: rbp = 0x5152535455565758
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# CHECK-DAG: rsp = 0x4142434445464748
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# CHECK-DAG: eax = 0x05060708
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# CHECK-DAG: ebx = 0x15161718
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# CHECK-DAG: ecx = 0x25262728
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# CHECK-DAG: edx = 0x35363738
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# CHECK-DAG: edi = 0x75767778
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# CHECK-DAG: esi = 0x65666768
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# CHECK-DAG: ebp = 0x55565758
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# CHECK-DAG: esp = 0x45464748
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# CHECK-DAG: ax = 0x0708
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# CHECK-DAG: bx = 0x1718
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# CHECK-DAG: cx = 0x2728
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# CHECK-DAG: dx = 0x3738
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# CHECK-DAG: di = 0x7778
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# CHECK-DAG: si = 0x6768
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# CHECK-DAG: bp = 0x5758
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# CHECK-DAG: sp = 0x4748
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# CHECK-DAG: ah = 0x07
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# CHECK-DAG: bh = 0x17
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# CHECK-DAG: ch = 0x27
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# CHECK-DAG: dh = 0x37
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# CHECK-DAG: al = 0x08
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# CHECK-DAG: bl = 0x18
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# CHECK-DAG: cl = 0x28
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# CHECK-DAG: dl = 0x38
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process continue
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# CHECK: Process {{[0-9]+}} exited with status = 0
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# XFAIL: system-windows
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# REQUIRES: native && target-x86
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# RUN: %clangxx -fomit-frame-pointer %p/Inputs/x86-gp-read.cpp -o %t
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# RUN: %lldb -b -s %s %t | FileCheck %s
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process launch
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register read --all
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# CHECK-DAG: eax = 0x05060708
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# CHECK-DAG: ebx = 0x15161718
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# CHECK-DAG: ecx = 0x25262728
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# CHECK-DAG: edx = 0x35363738
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# CHECK-DAG: edi = 0x75767778
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# CHECK-DAG: esi = 0x65666768
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# CHECK-DAG: ebp = 0x55565758
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# CHECK-DAG: esp = 0x45464748
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# CHECK-DAG: ax = 0x0708
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# CHECK-DAG: bx = 0x1718
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# CHECK-DAG: cx = 0x2728
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# CHECK-DAG: dx = 0x3738
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# CHECK-DAG: di = 0x7778
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# CHECK-DAG: si = 0x6768
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# CHECK-DAG: bp = 0x5758
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# CHECK-DAG: sp = 0x4748
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# CHECK-DAG: ah = 0x07
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# CHECK-DAG: bh = 0x17
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# CHECK-DAG: ch = 0x27
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# CHECK-DAG: dh = 0x37
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# CHECK-DAG: al = 0x08
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# CHECK-DAG: bl = 0x18
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# CHECK-DAG: cl = 0x28
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# CHECK-DAG: dl = 0x38
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process continue
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# CHECK: Process {{[0-9]+}} exited with status = 0
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