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Do not create calls via PLT in compilation callback - this is higly platform

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dependent. Hopefully, this will fix PR3801.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81132 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2009-09-06 20:21:48 +00:00
parent f7f4ba6c1f
commit 6c4025773a
1 changed files with 12 additions and 11 deletions
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23
lib/Target/X86/X86JITInfo.cpp
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@ -52,13 +52,6 @@ static TargetJITInfo::JITCompilerFn JITCompilerFunction;
#define GETASMPREFIX(X) GETASMPREFIX2(X)
#define ASMPREFIX GETASMPREFIX(__USER_LABEL_PREFIX__)
// Check if building with -fPIC
#if defined(__PIC__) && __PIC__ && defined(__linux__)
#define ASMCALLSUFFIX "@PLT"
#else
#define ASMCALLSUFFIX
#endif
// For ELF targets, use a .size and .type directive, to let tools
// know the extent of functions defined in assembler.
#if defined(__ELF__)
@ -131,7 +124,7 @@ extern "C" {
// JIT callee
"movq %rbp, %rdi\n" // Pass prev frame and return address
"movq 8(%rbp), %rsi\n"
"call " ASMPREFIX "X86CompilationCallback2" ASMCALLSUFFIX "\n"
"call " ASMPREFIX "X86CompilationCallback2\n"
// Restore all XMM arg registers
"movaps 112(%rsp), %xmm7\n"
"movaps 96(%rsp), %xmm6\n"
@ -207,7 +200,7 @@ extern "C" {
"movl 4(%ebp), %eax\n" // Pass prev frame and return address
"movl %eax, 4(%esp)\n"
"movl %ebp, (%esp)\n"
"call " ASMPREFIX "X86CompilationCallback2" ASMCALLSUFFIX "\n"
"call " ASMPREFIX "X86CompilationCallback2\n"
"movl %ebp, %esp\n" // Restore ESP
CFI(".cfi_def_cfa_register %esp\n")
"subl $12, %esp\n"
@ -263,7 +256,7 @@ extern "C" {
"movl 4(%ebp), %eax\n" // Pass prev frame and return address
"movl %eax, 4(%esp)\n"
"movl %ebp, (%esp)\n"
"call " ASMPREFIX "X86CompilationCallback2" ASMCALLSUFFIX "\n"
"call " ASMPREFIX "X86CompilationCallback2\n"
"addl $16, %esp\n"
"movaps 48(%esp), %xmm3\n"
CFI(".cfi_restore %xmm3\n")
@ -331,7 +324,14 @@ extern "C" {
/// function stub when we did not know the real target of a call. This function
/// must locate the start of the stub or call site and pass it into the JIT
/// compiler function.
extern "C" void ATTRIBUTE_USED
extern "C" {
#if !(defined (X86_64_JIT) && defined(_MSC_VER))
// the following function is called only from this translation unit,
// unless we are under 64bit Windows with MSC, where there is
// no support for inline assembly
static
#endif
void ATTRIBUTE_USED
X86CompilationCallback2(intptr_t *StackPtr, intptr_t RetAddr) {
intptr_t *RetAddrLoc = &StackPtr[1];
assert(*RetAddrLoc == RetAddr &&
@ -403,6 +403,7 @@ X86CompilationCallback2(intptr_t *StackPtr, intptr_t RetAddr) {
*RetAddrLoc -= 5;
#endif
}
}
TargetJITInfo::LazyResolverFn
X86JITInfo::getLazyResolverFunction(JITCompilerFn F) {