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Fixes for being compiled PIC on Linux. This isn't the most

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general solution possible, but it's a fairly simple one.
Based on a patch from the OpenGTL project!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52662 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-06-24 00:50:01 +00:00
parent f399235a03
commit db7991de75
1 changed files with 10 additions and 3 deletions
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13
lib/Target/X86/X86JITInfo.cpp
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@ -51,6 +51,13 @@ 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
// Provide a convenient way for disabling usage of CFI directives.
// This is needed for old/broken assemblers (for example, gas on
// Darwin is pretty old and doesn't support these directives)
@ -112,7 +119,7 @@ extern "C" {
// JIT callee
"movq %rbp, %rdi\n" // Pass prev frame and return address
"movq 8(%rbp), %rsi\n"
"call " ASMPREFIX "X86CompilationCallback2\n"
"call " ASMPREFIX "X86CompilationCallback2" ASMCALLSUFFIX "\n"
// Restore all XMM arg registers
"movaps 112(%rsp), %xmm7\n"
"movaps 96(%rsp), %xmm6\n"
@ -186,7 +193,7 @@ 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\n"
"call " ASMPREFIX "X86CompilationCallback2" ASMCALLSUFFIX "\n"
"movl %ebp, %esp\n" // Restore ESP
CFI(".cfi_def_cfa_register %esp\n")
"subl $12, %esp\n"
@ -240,7 +247,7 @@ 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\n"
"call " ASMPREFIX "X86CompilationCallback2" ASMCALLSUFFIX "\n"
"addl $16, %esp\n"
"movaps 48(%esp), %xmm3\n"
CFI(".cfi_restore %xmm3\n")