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[ORC] Save AArch64 NEON state in the JIT reentry block.

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The earlier version of the resolver code did not save NEON state, so it would
have broken any callees that used floating point.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268173 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lang Hames 2016-05-01 00:14:45 +00:00
parent d5ebabfb3e
commit 6706c34b89
2 changed files with 75 additions and 43 deletions
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2
include/llvm/ExecutionEngine/Orc/OrcArchitectureSupport.h
View File

@ -111,7 +111,7 @@ class OrcAArch64 {
public:
static const unsigned PointerSize = 8;
static const unsigned TrampolineSize = 12;
static const unsigned ResolverCodeSize = 0xA0;
static const unsigned ResolverCodeSize = 0x120;
typedef GenericIndirectStubsInfo<8> IndirectStubsInfo;

116
lib/ExecutionEngine/Orc/OrcArchitectureSupport.cpp
View File

@ -19,50 +19,82 @@ void OrcAArch64::writeResolverCode(uint8_t *ResolverMem, JITReentryFn ReentryFn,
const uint32_t ResolverCode[] = {
// resolver_entry:
0xa9bf47fd, // 0x00: stp x29, x17, [sp, #-16]!
0x910003fd, // 0x04: mov x29, sp
0xa9bf73fb, // 0x08: stp x27, x28, [sp, #-16]!
0xa9bf6bf9, // 0x0C: stp x25, x26, [sp, #-16]!
0xa9bf63f7, // 0x10: stp x23, x24, [sp, #-16]!
0xa9bf5bf5, // 0x14: stp x21, x22, [sp, #-16]!
0xa9bf53f3, // 0x18: stp x19, x20, [sp, #-16]!
0xa9bf3fee, // 0x1C: stp x14, x15, [sp, #-16]!
0xa9bf37ec, // 0x20: stp x12, x13, [sp, #-16]!
0xa9bf2fea, // 0x24: stp x10, x11, [sp, #-16]!
0xa9bf27e8, // 0x28: stp x8, x9, [sp, #-16]!
0xa9bf1fe6, // 0x2C: stp x6, x7, [sp, #-16]!
0xa9bf17e4, // 0x30: stp x4, x5, [sp, #-16]!
0xa9bf0fe2, // 0x34: stp x2, x3, [sp, #-16]!
0xa9bf07e0, // 0x38: stp x0, x1, [sp, #-16]!
0x580002e0, // 0x3C: ldr x0, Lcallback_mgr
0xaa1e03e1, // 0x40: mov x1, x30
0xd1003021, // 0x44: sub x1, x1, #12
0x58000242, // 0x48: ldr x2, Lreentry_fn
0xd63f0040, // 0x4C: blr x2
0xaa0003f1, // 0x50: mov x17, x0
0xa8c107e0, // 0x54: ldp x0, x1, [sp], #16
0xa8c10fe2, // 0x58: ldp x2, x3, [sp], #16
0xa8c117e4, // 0x5C: ldp x4, x5, [sp], #16
0xa8c11fe6, // 0x60: ldp x6, x7, [sp], #16
0xa8c127e8, // 0x64: ldp x8, x9, [sp], #16
0xa8c12fea, // 0x68: ldp x10, x11, [sp], #16
0xa8c137ec, // 0x6C: ldp x12, x13, [sp], #16
0xa8c13fee, // 0x70: ldp x14, x15, [sp], #16
0xa8c153f3, // 0x74: ldp x19, x20, [sp], #16
0xa8c15bf5, // 0x78: ldp x21, x22, [sp], #16
0xa8c163f7, // 0x7C: ldp x23, x24, [sp], #16
0xa8c16bf9, // 0x80: ldp x25, x26, [sp], #16
0xa8c173fb, // 0x84: ldp x27, x28, [sp], #16
0xa8c17bfd, // 0x88: ldp x29, x30, [sp], #16
0xd65f0220, // 0x8C: ret x17
0x00000000, // 0x90: Lresolver_fn:
0x00000000, // .quad resolver_fn
0x00000000, // 0x98: Lcallback_mgr:
0x00000000, // .quad callback_mgr
0xa9bf47fd, // 0x000: stp x29, x17, [sp, #-16]!
0x910003fd, // 0x004: mov x29, sp
0xa9bf73fb, // 0x008: stp x27, x28, [sp, #-16]!
0xa9bf6bf9, // 0x00c: stp x25, x26, [sp, #-16]!
0xa9bf63f7, // 0x010: stp x23, x24, [sp, #-16]!
0xa9bf5bf5, // 0x014: stp x21, x22, [sp, #-16]!
0xa9bf53f3, // 0x018: stp x19, x20, [sp, #-16]!
0xa9bf3fee, // 0x01c: stp x14, x15, [sp, #-16]!
0xa9bf37ec, // 0x020: stp x12, x13, [sp, #-16]!
0xa9bf2fea, // 0x024: stp x10, x11, [sp, #-16]!
0xa9bf27e8, // 0x028: stp x8, x9, [sp, #-16]!
0xa9bf1fe6, // 0x02c: stp x6, x7, [sp, #-16]!
0xa9bf17e4, // 0x030: stp x4, x5, [sp, #-16]!
0xa9bf0fe2, // 0x034: stp x2, x3, [sp, #-16]!
0xa9bf07e0, // 0x038: stp x0, x1, [sp, #-16]!
0xadbf7ffe, // 0x03c: stp q30, q31, [sp, #-32]!
0xadbf77fc, // 0x040: stp q28, q29, [sp, #-32]!
0xadbf6ffa, // 0x044: stp q26, q27, [sp, #-32]!
0xadbf67f8, // 0x048: stp q24, q25, [sp, #-32]!
0xadbf5ff6, // 0x04c: stp q22, q23, [sp, #-32]!
0xadbf57f4, // 0x050: stp q20, q21, [sp, #-32]!
0xadbf4ff2, // 0x054: stp q18, q19, [sp, #-32]!
0xadbf47f0, // 0x058: stp q16, q17, [sp, #-32]!
0xadbf3fee, // 0x05c: stp q14, q15, [sp, #-32]!
0xadbf37ec, // 0x060: stp q12, q13, [sp, #-32]!
0xadbf2fea, // 0x064: stp q10, q11, [sp, #-32]!
0xadbf27e8, // 0x068: stp q8, q9, [sp, #-32]!
0xadbf1fe6, // 0x06c: stp q6, q7, [sp, #-32]!
0xadbf17e4, // 0x070: stp q4, q5, [sp, #-32]!
0xadbf0fe2, // 0x074: stp q2, q3, [sp, #-32]!
0xadbf07e0, // 0x078: stp q0, q1, [sp, #-32]!
0x580004e0, // 0x07c: ldr x0, Lcallbackmgr
0xaa1e03e1, // 0x080: mov x1, x30
0xd1003021, // 0x084: sub x1, x1, #12
0x58000442, // 0x088: ldr x2, Lreentry_fn_ptr
0xd63f0040, // 0x08c: blr x2
0xaa0003f1, // 0x090: mov x17, x0
0xacc107e0, // 0x094: ldp q0, q1, [sp], #32
0xacc10fe2, // 0x098: ldp q2, q3, [sp], #32
0xacc117e4, // 0x09c: ldp q4, q5, [sp], #32
0xacc11fe6, // 0x0a0: ldp q6, q7, [sp], #32
0xacc127e8, // 0x0a4: ldp q8, q9, [sp], #32
0xacc12fea, // 0x0a8: ldp q10, q11, [sp], #32
0xacc137ec, // 0x0ac: ldp q12, q13, [sp], #32
0xacc13fee, // 0x0b0: ldp q14, q15, [sp], #32
0xacc147f0, // 0x0b4: ldp q16, q17, [sp], #32
0xacc14ff2, // 0x0b8: ldp q18, q19, [sp], #32
0xacc157f4, // 0x0bc: ldp q20, q21, [sp], #32
0xacc15ff6, // 0x0c0: ldp q22, q23, [sp], #32
0xacc167f8, // 0x0c4: ldp q24, q25, [sp], #32
0xacc16ffa, // 0x0c8: ldp q26, q27, [sp], #32
0xacc177fc, // 0x0cc: ldp q28, q29, [sp], #32
0xacc17ffe, // 0x0d0: ldp q30, q31, [sp], #32
0xa8c107e0, // 0x0d4: ldp x0, x1, [sp], #16
0xa8c10fe2, // 0x0d8: ldp x2, x3, [sp], #16
0xa8c117e4, // 0x0dc: ldp x4, x5, [sp], #16
0xa8c11fe6, // 0x0e0: ldp x6, x7, [sp], #16
0xa8c127e8, // 0x0e4: ldp x8, x9, [sp], #16
0xa8c12fea, // 0x0e8: ldp x10, x11, [sp], #16
0xa8c137ec, // 0x0ec: ldp x12, x13, [sp], #16
0xa8c13fee, // 0x0f0: ldp x14, x15, [sp], #16
0xa8c153f3, // 0x0f4: ldp x19, x20, [sp], #16
0xa8c15bf5, // 0x0f8: ldp x21, x22, [sp], #16
0xa8c163f7, // 0x0fc: ldp x23, x24, [sp], #16
0xa8c16bf9, // 0x100: ldp x25, x26, [sp], #16
0xa8c173fb, // 0x104: ldp x27, x28, [sp], #16
0xa8c17bfd, // 0x108: ldp x29, x30, [sp], #16
0xd65f0220, // 0x10c: ret x17
0x01234567, // 0x110: Lreentry_fn_ptr:
0xdeadbeef, // 0x114: .quad 0
0x98765432, // 0x118: Lcallbackmgr:
0xcafef00d // 0x11c: .quad 0
};
const unsigned ReentryFnAddrOffset = 0x90;
const unsigned CallbackMgrAddrOffset = 0x98;
const unsigned ReentryFnAddrOffset = 0x110;
const unsigned CallbackMgrAddrOffset = 0x118;
memcpy(ResolverMem, ResolverCode, sizeof(ResolverCode));
memcpy(ResolverMem + ReentryFnAddrOffset, &ReentryFn, sizeof(ReentryFn));