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Make PPC64CompilationCallback compilable no non-darwin platforms.

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Patch by Nathan Whitehorn!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133059 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Roman Divacky 2011-06-15 15:29:47 +00:00
parent 8e61432249
commit e355b80194
1 changed files with 56 additions and 34 deletions
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90
lib/Target/PowerPC/PPCJITInfo.cpp
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@ -87,7 +87,7 @@ asm(
// FIXME: could shrink frame
// Set up a proper stack frame
// FIXME Layout
// PowerPC64 ABI linkage - 24 bytes
// PowerPC32 ABI linkage - 24 bytes
// parameters - 32 bytes
// 13 double registers - 104 bytes
// 8 int registers - 32 bytes
@ -205,11 +205,27 @@ void PPC32CompilationCallback() {
#if (defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)) && \
defined(__ppc64__)
#ifdef __ELF__
asm(
".text\n"
".align 2\n"
".globl PPC64CompilationCallback\n"
".section \".opd\",\"aw\"\n"
".align 3\n"
"PPC64CompilationCallback:\n"
".quad .L.PPC64CompilationCallback,.TOC.@tocbase,0\n"
".size PPC64CompilationCallback,24\n"
".previous\n"
".align 4\n"
".type PPC64CompilationCallback,@function\n"
".L.PPC64CompilationCallback:\n"
#else
asm(
".text\n"
".align 2\n"
".globl _PPC64CompilationCallback\n"
"_PPC64CompilationCallback:\n"
#endif
// Make space for 8 ints r[3-10] and 13 doubles f[1-13] and the
// FIXME: need to save v[0-19] for altivec?
// Set up a proper stack frame
@ -218,49 +234,55 @@ asm(
// parameters - 64 bytes
// 13 double registers - 104 bytes
// 8 int registers - 64 bytes
"mflr r0\n"
"std r0, 16(r1)\n"
"stdu r1, -280(r1)\n"
"mflr 0\n"
"std 0, 16(1)\n"
"stdu 1, -280(1)\n"
// Save all int arg registers
"std r10, 272(r1)\n" "std r9, 264(r1)\n"
"std r8, 256(r1)\n" "std r7, 248(r1)\n"
"std r6, 240(r1)\n" "std r5, 232(r1)\n"
"std r4, 224(r1)\n" "std r3, 216(r1)\n"
"std 10, 272(1)\n" "std 9, 264(1)\n"
"std 8, 256(1)\n" "std 7, 248(1)\n"
"std 6, 240(1)\n" "std 5, 232(1)\n"
"std 4, 224(1)\n" "std 3, 216(1)\n"
// Save all call-clobbered FP regs.
"stfd f13, 208(r1)\n" "stfd f12, 200(r1)\n"
"stfd f11, 192(r1)\n" "stfd f10, 184(r1)\n"
"stfd f9, 176(r1)\n" "stfd f8, 168(r1)\n"
"stfd f7, 160(r1)\n" "stfd f6, 152(r1)\n"
"stfd f5, 144(r1)\n" "stfd f4, 136(r1)\n"
"stfd f3, 128(r1)\n" "stfd f2, 120(r1)\n"
"stfd f1, 112(r1)\n"
"stfd 13, 208(1)\n" "stfd 12, 200(1)\n"
"stfd 11, 192(1)\n" "stfd 10, 184(1)\n"
"stfd 9, 176(1)\n" "stfd 8, 168(1)\n"
"stfd 7, 160(1)\n" "stfd 6, 152(1)\n"
"stfd 5, 144(1)\n" "stfd 4, 136(1)\n"
"stfd 3, 128(1)\n" "stfd 2, 120(1)\n"
"stfd 1, 112(1)\n"
// Arguments to Compilation Callback:
// r3 - our lr (address of the call instruction in stub plus 4)
// r4 - stub's lr (address of instruction that called the stub plus 4)
// r5 - is64Bit - always 1.
"mr r3, r0\n"
"ld r2, 280(r1)\n" // stub's frame
"ld r4, 16(r2)\n" // stub's lr
"li r5, 1\n" // 1 == 64 bit
"mr 3, 0\n" // return address (still in r0)
"ld 5, 280(1)\n" // stub's frame
"ld 4, 16(5)\n" // stub's lr
"li 5, 1\n" // 1 == 64 bit
#ifdef __ELF__
"bl PPCCompilationCallbackC\n"
"nop\n"
#else
"bl _PPCCompilationCallbackC\n"
"mtctr r3\n"
#endif
"mtctr 3\n"
// Restore all int arg registers
"ld r10, 272(r1)\n" "ld r9, 264(r1)\n"
"ld r8, 256(r1)\n" "ld r7, 248(r1)\n"
"ld r6, 240(r1)\n" "ld r5, 232(r1)\n"
"ld r4, 224(r1)\n" "ld r3, 216(r1)\n"
"ld 10, 272(1)\n" "ld 9, 264(1)\n"
"ld 8, 256(1)\n" "ld 7, 248(1)\n"
"ld 6, 240(1)\n" "ld 5, 232(1)\n"
"ld 4, 224(1)\n" "ld 3, 216(1)\n"
// Restore all FP arg registers
"lfd f13, 208(r1)\n" "lfd f12, 200(r1)\n"
"lfd f11, 192(r1)\n" "lfd f10, 184(r1)\n"
"lfd f9, 176(r1)\n" "lfd f8, 168(r1)\n"
"lfd f7, 160(r1)\n" "lfd f6, 152(r1)\n"
"lfd f5, 144(r1)\n" "lfd f4, 136(r1)\n"
"lfd f3, 128(r1)\n" "lfd f2, 120(r1)\n"
"lfd f1, 112(r1)\n"
"lfd 13, 208(1)\n" "lfd 12, 200(1)\n"
"lfd 11, 192(1)\n" "lfd 10, 184(1)\n"
"lfd 9, 176(1)\n" "lfd 8, 168(1)\n"
"lfd 7, 160(1)\n" "lfd 6, 152(1)\n"
"lfd 5, 144(1)\n" "lfd 4, 136(1)\n"
"lfd 3, 128(1)\n" "lfd 2, 120(1)\n"
"lfd 1, 112(1)\n"
// Pop 3 frames off the stack and branch to target
"ld r1, 280(r1)\n"
"ld r2, 16(r1)\n"
"mtlr r2\n"
"ld 1, 280(1)\n"
"ld 0, 16(1)\n"
"mtlr 0\n"
// XXX: any special TOC handling in the ELF case for JIT?
"bctr\n"
);
#else