X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FARM%2FARMJITInfo.cpp;h=45b7e48d0cfb7513eef55f31ca69ff24bf3a8e4f;hb=3a96122c4ae4e7727ba976a9f658626c18997689;hp=b31a4fa343ba57cc199bcb8d3d04a3668c1239b0;hpb=75361b69f3f327842b9dad69fa7f28ae3b688412;p=oota-llvm.git diff --git a/lib/Target/ARM/ARMJITInfo.cpp b/lib/Target/ARM/ARMJITInfo.cpp index b31a4fa343b..45b7e48d0cf 100644 --- a/lib/Target/ARM/ARMJITInfo.cpp +++ b/lib/Target/ARM/ARMJITInfo.cpp @@ -22,7 +22,7 @@ #include "llvm/Support/Debug.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/raw_ostream.h" -#include "llvm/System/Memory.h" +#include "llvm/Support/Memory.h" #include using namespace llvm; @@ -43,7 +43,7 @@ static TargetJITInfo::JITCompilerFn JITCompilerFunction; #define ASMPREFIX GETASMPREFIX(__USER_LABEL_PREFIX__) // CompilationCallback stub - We can't use a C function with inline assembly in -// it, because we the prolog/epilog inserted by GCC won't work for us (we need +// it, because the prolog/epilog inserted by GCC won't work for us. (We need // to preserve more context and manipulate the stack directly). Instead, // write our own wrapper, which does things our way, so we have complete // control over register saving and restoring. @@ -97,9 +97,10 @@ extern "C" { "str r0, [sp,#16]\n" // Return to the (newly modified) stub to invoke the real function. // The above twiddling of the saved return addresses allows us to - // deallocate everything, including the LR the stub saved, all in one - // pop instruction. - "ldmia sp!, {r0, r1, r2, r3, lr, pc}\n" + // deallocate everything, including the LR the stub saved, with two + // updating load instructions. + "ldmia sp!, {r0, r1, r2, r3, lr}\n" + "ldr pc, [sp], #4\n" ); #else // Not an ARM host void ARMCompilationCallback() { @@ -290,7 +291,7 @@ void ARMJITInfo::relocate(void *Function, MachineRelocation *MR, *((intptr_t*)RelocPos) |= ResultPtr; // Set register Rn to PC. *((intptr_t*)RelocPos) |= - ARMRegisterInfo::getRegisterNumbering(ARM::PC) << ARMII::RegRnShift; + getARMRegisterNumbering(ARM::PC) << ARMII::RegRnShift; break; } case ARM::reloc_arm_pic_jt: @@ -318,6 +319,18 @@ void ARMJITInfo::relocate(void *Function, MachineRelocation *MR, *((intptr_t*)RelocPos) |= ResultPtr; break; } + case ARM::reloc_arm_movw: { + ResultPtr = ResultPtr & 0xFFFF; + *((intptr_t*)RelocPos) |= ResultPtr & 0xFFF; + *((intptr_t*)RelocPos) |= ((ResultPtr >> 12) & 0xF) << 16; + break; + } + case ARM::reloc_arm_movt: { + ResultPtr = (ResultPtr >> 16) & 0xFFFF; + *((intptr_t*)RelocPos) |= ResultPtr & 0xFFF; + *((intptr_t*)RelocPos) |= ((ResultPtr >> 12) & 0xF) << 16; + break; + } } } }