Re-land "[test] Split LLDB tests into API, Shell & Unit"

The original patch got reverted because it broke `check-lldb` on a clean
build. This fixes that.

llvm-svn: 374201

1 files changed, 45 insertions, 0 deletions

diff --git a/lldb/test/Shell/Register/Inputs/x86-64-gp-write.cpp b/lldb/test/Shell/Register/Inputs/x86-64-gp-write.cpp
new file mode 100644
index 00000000000..fd579c031a3
--- /dev/null
+++ b/lldb/test/Shell/Register/Inputs/x86-64-gp-write.cpp
@@ -0,0 +1,45 @@
+#include <cinttypes>
+#include <cstdint>
+#include <cstdio>
+
+int main() {
+  constexpr uint64_t fill = 0x0F0F0F0F0F0F0F0F;
+
+  uint64_t rax, rbx, rcx, rdx, rsp, rbp, rsi, rdi;
+
+  asm volatile(
+    // save rsp & rbp
+    "movq    %%rsp, %4\n\t"
+    "movq    %%rbp, %5\n\t"
+    "\n\t"
+    "movq    %8, %%rax\n\t"
+    "movq    %8, %%rbx\n\t"
+    "movq    %8, %%rcx\n\t"
+    "movq    %8, %%rdx\n\t"
+    "movq    %8, %%rsp\n\t"
+    "movq    %8, %%rbp\n\t"
+    "movq    %8, %%rsi\n\t"
+    "movq    %8, %%rdi\n\t"
+    "\n\t"
+    "int3\n\t"
+    "\n\t"
+    // swap saved & current rsp & rbp
+    "xchgq    %%rsp, %4\n\t"
+    "xchgq    %%rbp, %5\n\t"
+    : "=a"(rax), "=b"(rbx), "=c"(rcx), "=d"(rdx), "=r"(rsp), "=r"(rbp),
+      "=S"(rsi), "=D"(rdi)
+    : "g"(fill)
+    :
+  );
+
+  printf("rax = 0x%016" PRIx64 "\n", rax);
+  printf("rbx = 0x%016" PRIx64 "\n", rbx);
+  printf("rcx = 0x%016" PRIx64 "\n", rcx);
+  printf("rdx = 0x%016" PRIx64 "\n", rdx);
+  printf("rsp = 0x%016" PRIx64 "\n", rsp);
+  printf("rbp = 0x%016" PRIx64 "\n", rbp);
+  printf("rsi = 0x%016" PRIx64 "\n", rsi);
+  printf("rdi = 0x%016" PRIx64 "\n", rdi);
+
+  return 0;
+}