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Diffstat (limited to 'Source/JavaScriptCore/jit/JITStubsARM.h')
| -rw-r--r-- | Source/JavaScriptCore/jit/JITStubsARM.h | 302 |
1 files changed, 0 insertions, 302 deletions
diff --git a/Source/JavaScriptCore/jit/JITStubsARM.h b/Source/JavaScriptCore/jit/JITStubsARM.h deleted file mode 100644 index fd59188f4..000000000 --- a/Source/JavaScriptCore/jit/JITStubsARM.h +++ /dev/null @@ -1,302 +0,0 @@ -/* - * Copyright (C) 2008, 2009, 2013 Apple Inc. All rights reserved. - * Copyright (C) 2008 Cameron Zwarich <cwzwarich@uwaterloo.ca> - * Copyright (C) Research In Motion Limited 2010, 2011. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of - * its contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef JITStubsARM_h -#define JITStubsARM_h - -#if !CPU(ARM_TRADITIONAL) -#error "JITStubsARM.h should only be #included if CPU(ARM_TRADITIONAL)" -#endif - -#if !USE(JSVALUE32_64) -#error "JITStubsARM.h only implements USE(JSVALUE32_64)" -#endif - -namespace JSC { - -#if COMPILER(GCC) - -#if USE(MASM_PROBE) -// The following are offsets for MacroAssembler::ProbeContext fields accessed -// by the ctiMasmProbeTrampoline stub. - -#define PTR_SIZE 4 -#define PROBE_PROBE_FUNCTION_OFFSET (0 * PTR_SIZE) -#define PROBE_ARG1_OFFSET (1 * PTR_SIZE) -#define PROBE_ARG2_OFFSET (2 * PTR_SIZE) - -#define PROBE_FIRST_GPREG_OFFSET (4 * PTR_SIZE) - -#define GPREG_SIZE 4 -#define PROBE_CPU_R0_OFFSET (PROBE_FIRST_GPREG_OFFSET + (0 * GPREG_SIZE)) -#define PROBE_CPU_R1_OFFSET (PROBE_FIRST_GPREG_OFFSET + (1 * GPREG_SIZE)) -#define PROBE_CPU_R2_OFFSET (PROBE_FIRST_GPREG_OFFSET + (2 * GPREG_SIZE)) -#define PROBE_CPU_R3_OFFSET (PROBE_FIRST_GPREG_OFFSET + (3 * GPREG_SIZE)) -#define PROBE_CPU_R4_OFFSET (PROBE_FIRST_GPREG_OFFSET + (4 * GPREG_SIZE)) -#define PROBE_CPU_R5_OFFSET (PROBE_FIRST_GPREG_OFFSET + (5 * GPREG_SIZE)) -#define PROBE_CPU_R6_OFFSET (PROBE_FIRST_GPREG_OFFSET + (6 * GPREG_SIZE)) -#define PROBE_CPU_R7_OFFSET (PROBE_FIRST_GPREG_OFFSET + (7 * GPREG_SIZE)) -#define PROBE_CPU_R8_OFFSET (PROBE_FIRST_GPREG_OFFSET + (8 * GPREG_SIZE)) -#define PROBE_CPU_R9_OFFSET (PROBE_FIRST_GPREG_OFFSET + (9 * GPREG_SIZE)) -#define PROBE_CPU_R10_OFFSET (PROBE_FIRST_GPREG_OFFSET + (10 * GPREG_SIZE)) -#define PROBE_CPU_R11_OFFSET (PROBE_FIRST_GPREG_OFFSET + (11 * GPREG_SIZE)) -#define PROBE_CPU_IP_OFFSET (PROBE_FIRST_GPREG_OFFSET + (12 * GPREG_SIZE)) -#define PROBE_CPU_SP_OFFSET (PROBE_FIRST_GPREG_OFFSET + (13 * GPREG_SIZE)) -#define PROBE_CPU_LR_OFFSET (PROBE_FIRST_GPREG_OFFSET + (14 * GPREG_SIZE)) -#define PROBE_CPU_PC_OFFSET (PROBE_FIRST_GPREG_OFFSET + (15 * GPREG_SIZE)) - -#define PROBE_CPU_APSR_OFFSET (PROBE_FIRST_GPREG_OFFSET + (16 * GPREG_SIZE)) -#define PROBE_CPU_FPSCR_OFFSET (PROBE_FIRST_GPREG_OFFSET + (17 * GPREG_SIZE)) - -#define PROBE_FIRST_FPREG_OFFSET (PROBE_FIRST_GPREG_OFFSET + (18 * GPREG_SIZE)) - -#define FPREG_SIZE 8 -#define PROBE_CPU_D0_OFFSET (PROBE_FIRST_FPREG_OFFSET + (0 * FPREG_SIZE)) -#define PROBE_CPU_D1_OFFSET (PROBE_FIRST_FPREG_OFFSET + (1 * FPREG_SIZE)) -#define PROBE_CPU_D2_OFFSET (PROBE_FIRST_FPREG_OFFSET + (2 * FPREG_SIZE)) -#define PROBE_CPU_D3_OFFSET (PROBE_FIRST_FPREG_OFFSET + (3 * FPREG_SIZE)) -#define PROBE_CPU_D4_OFFSET (PROBE_FIRST_FPREG_OFFSET + (4 * FPREG_SIZE)) -#define PROBE_CPU_D5_OFFSET (PROBE_FIRST_FPREG_OFFSET + (5 * FPREG_SIZE)) -#define PROBE_CPU_D6_OFFSET (PROBE_FIRST_FPREG_OFFSET + (6 * FPREG_SIZE)) -#define PROBE_CPU_D7_OFFSET (PROBE_FIRST_FPREG_OFFSET + (7 * FPREG_SIZE)) -#define PROBE_CPU_D8_OFFSET (PROBE_FIRST_FPREG_OFFSET + (8 * FPREG_SIZE)) -#define PROBE_CPU_D9_OFFSET (PROBE_FIRST_FPREG_OFFSET + (9 * FPREG_SIZE)) -#define PROBE_CPU_D10_OFFSET (PROBE_FIRST_FPREG_OFFSET + (10 * FPREG_SIZE)) -#define PROBE_CPU_D11_OFFSET (PROBE_FIRST_FPREG_OFFSET + (11 * FPREG_SIZE)) -#define PROBE_CPU_D12_OFFSET (PROBE_FIRST_FPREG_OFFSET + (12 * FPREG_SIZE)) -#define PROBE_CPU_D13_OFFSET (PROBE_FIRST_FPREG_OFFSET + (13 * FPREG_SIZE)) -#define PROBE_CPU_D14_OFFSET (PROBE_FIRST_FPREG_OFFSET + (14 * FPREG_SIZE)) -#define PROBE_CPU_D15_OFFSET (PROBE_FIRST_FPREG_OFFSET + (15 * FPREG_SIZE)) - -#define PROBE_SIZE (PROBE_FIRST_FPREG_OFFSET + (16 * FPREG_SIZE)) - -// These ASSERTs remind you that if you change the layout of ProbeContext, -// you need to change ctiMasmProbeTrampoline offsets above to match. -#define PROBE_OFFSETOF(x) offsetof(struct MacroAssembler::ProbeContext, x) -COMPILE_ASSERT(PROBE_OFFSETOF(probeFunction) == PROBE_PROBE_FUNCTION_OFFSET, ProbeContext_probeFunction_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(arg1) == PROBE_ARG1_OFFSET, ProbeContext_arg1_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(arg2) == PROBE_ARG2_OFFSET, ProbeContext_arg2_offset_matches_ctiMasmProbeTrampoline); - -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r0) == PROBE_CPU_R0_OFFSET, ProbeContext_cpu_r0_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r1) == PROBE_CPU_R1_OFFSET, ProbeContext_cpu_r1_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r2) == PROBE_CPU_R2_OFFSET, ProbeContext_cpu_r2_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r3) == PROBE_CPU_R3_OFFSET, ProbeContext_cpu_r3_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r4) == PROBE_CPU_R4_OFFSET, ProbeContext_cpu_r4_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r5) == PROBE_CPU_R5_OFFSET, ProbeContext_cpu_r5_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r6) == PROBE_CPU_R6_OFFSET, ProbeContext_cpu_r6_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r7) == PROBE_CPU_R7_OFFSET, ProbeContext_cpu_r70_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r8) == PROBE_CPU_R8_OFFSET, ProbeContext_cpu_r8_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r9) == PROBE_CPU_R9_OFFSET, ProbeContext_cpu_r9_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r10) == PROBE_CPU_R10_OFFSET, ProbeContext_cpu_r10_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r11) == PROBE_CPU_R11_OFFSET, ProbeContext_cpu_r11_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.ip) == PROBE_CPU_IP_OFFSET, ProbeContext_cpu_ip_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.sp) == PROBE_CPU_SP_OFFSET, ProbeContext_cpu_sp_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.lr) == PROBE_CPU_LR_OFFSET, ProbeContext_cpu_lr_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.pc) == PROBE_CPU_PC_OFFSET, ProbeContext_cpu_pc_offset_matches_ctiMasmProbeTrampoline); - -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.apsr) == PROBE_CPU_APSR_OFFSET, ProbeContext_cpu_apsr_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.fpscr) == PROBE_CPU_FPSCR_OFFSET, ProbeContext_cpu_fpscr_offset_matches_ctiMasmProbeTrampoline); - -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d0) == PROBE_CPU_D0_OFFSET, ProbeContext_cpu_d0_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d1) == PROBE_CPU_D1_OFFSET, ProbeContext_cpu_d1_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d2) == PROBE_CPU_D2_OFFSET, ProbeContext_cpu_d2_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d3) == PROBE_CPU_D3_OFFSET, ProbeContext_cpu_d3_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d4) == PROBE_CPU_D4_OFFSET, ProbeContext_cpu_d4_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d5) == PROBE_CPU_D5_OFFSET, ProbeContext_cpu_d5_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d6) == PROBE_CPU_D6_OFFSET, ProbeContext_cpu_d6_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d7) == PROBE_CPU_D7_OFFSET, ProbeContext_cpu_d7_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d8) == PROBE_CPU_D8_OFFSET, ProbeContext_cpu_d8_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d9) == PROBE_CPU_D9_OFFSET, ProbeContext_cpu_d9_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d10) == PROBE_CPU_D10_OFFSET, ProbeContext_cpu_d10_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d11) == PROBE_CPU_D11_OFFSET, ProbeContext_cpu_d11_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d12) == PROBE_CPU_D12_OFFSET, ProbeContext_cpu_d12_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d13) == PROBE_CPU_D13_OFFSET, ProbeContext_cpu_d13_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d14) == PROBE_CPU_D14_OFFSET, ProbeContext_cpu_d14_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(PROBE_OFFSETOF(cpu.d15) == PROBE_CPU_D15_OFFSET, ProbeContext_cpu_d15_offset_matches_ctiMasmProbeTrampoline); -COMPILE_ASSERT(sizeof(MacroAssembler::ProbeContext) == PROBE_SIZE, ProbeContext_size_matches_ctiMasmProbeTrampoline); -#undef PROBE_OFFSETOF - -#endif // USE(MASM_PROBE) - - -#if USE(MASM_PROBE) -asm ( -".text" "\n" -".globl " SYMBOL_STRING(ctiMasmProbeTrampoline) "\n" -HIDE_SYMBOL(ctiMasmProbeTrampoline) "\n" -INLINE_ARM_FUNCTION(ctiMasmProbeTrampoline) "\n" -SYMBOL_STRING(ctiMasmProbeTrampoline) ":" "\n" - - // MacroAssembler::probe() has already generated code to store some values. - // The top of stack now looks like this: - // esp[0 * ptrSize]: probeFunction - // esp[1 * ptrSize]: arg1 - // esp[2 * ptrSize]: arg2 - // esp[3 * ptrSize]: saved r3 / S0 - // esp[4 * ptrSize]: saved ip - // esp[5 * ptrSize]: saved lr - // esp[6 * ptrSize]: saved sp - - "mov ip, sp" "\n" - "mov r3, sp" "\n" - "sub r3, r3, #" STRINGIZE_VALUE_OF(PROBE_SIZE) "\n" - - // The ARM EABI specifies that the stack needs to be 16 byte aligned. - "bic r3, r3, #0xf" "\n" - "mov sp, r3" "\n" - - "str lr, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_PC_OFFSET) "]" "\n" - "add lr, sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_R0_OFFSET) "\n" - "stmia lr, { r0-r11 }" "\n" - "mrs lr, APSR" "\n" - "str lr, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_APSR_OFFSET) "]" "\n" - "vmrs lr, FPSCR" "\n" - "str lr, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_FPSCR_OFFSET) "]" "\n" - - "ldr lr, [ip, #0 * " STRINGIZE_VALUE_OF(PTR_SIZE) "]" "\n" - "str lr, [sp, #" STRINGIZE_VALUE_OF(PROBE_PROBE_FUNCTION_OFFSET) "]" "\n" - "ldr lr, [ip, #1 * " STRINGIZE_VALUE_OF(PTR_SIZE) "]" "\n" - "str lr, [sp, #" STRINGIZE_VALUE_OF(PROBE_ARG1_OFFSET) "]" "\n" - "ldr lr, [ip, #2 * " STRINGIZE_VALUE_OF(PTR_SIZE) "]" "\n" - "str lr, [sp, #" STRINGIZE_VALUE_OF(PROBE_ARG2_OFFSET) "]" "\n" - "ldr lr, [ip, #3 * " STRINGIZE_VALUE_OF(PTR_SIZE) "]" "\n" - "str lr, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_R3_OFFSET) "]" "\n" - "ldr lr, [ip, #4 * " STRINGIZE_VALUE_OF(PTR_SIZE) "]" "\n" - "str lr, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_IP_OFFSET) "]" "\n" - "ldr lr, [ip, #5 * " STRINGIZE_VALUE_OF(PTR_SIZE) "]" "\n" - "str lr, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_LR_OFFSET) "]" "\n" - "ldr lr, [ip, #6 * " STRINGIZE_VALUE_OF(PTR_SIZE) "]" "\n" - "str lr, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_SP_OFFSET) "]" "\n" - - "ldr lr, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_PC_OFFSET) "]" "\n" - - "add ip, sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_D0_OFFSET) "\n" - "vstmia.64 ip, { d0-d15 }" "\n" - - "mov fp, sp" "\n" // Save the ProbeContext*. - - "ldr ip, [sp, #" STRINGIZE_VALUE_OF(PROBE_PROBE_FUNCTION_OFFSET) "]" "\n" - "mov r0, sp" "\n" // the ProbeContext* arg. - "blx ip" "\n" - - "mov sp, fp" "\n" - - // To enable probes to modify register state, we copy all registers - // out of the ProbeContext before returning. - - "add ip, sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_D15_OFFSET + FPREG_SIZE) "\n" - "vldmdb.64 ip!, { d0-d15 }" "\n" - "add ip, sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_R11_OFFSET + GPREG_SIZE) "\n" - "ldmdb ip, { r0-r11 }" "\n" - "ldr ip, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_FPSCR_OFFSET) "]" "\n" - "vmsr FPSCR, ip" "\n" - - // There are 5 more registers left to restore: ip, sp, lr, pc, and apsr. - // There are 2 issues that complicate the restoration of these last few - // registers: - // - // 1. Normal ARM calling convention relies on moving lr to pc to return to - // the caller. In our case, the address to return to is specified by - // ProbeContext.cpu.pc. And at that moment, we won't have any available - // scratch registers to hold the return address (lr needs to hold - // ProbeContext.cpu.lr, not the return address). - // - // The solution is to store the return address on the stack and load the - // pc from there. - // - // 2. Issue 1 means we will need to write to the stack location at - // ProbeContext.cpu.sp - 4. But if the user probe function had modified - // the value of ProbeContext.cpu.sp to point in the range between - // &ProbeContext.cpu.ip thru &ProbeContext.cpu.aspr, then the action for - // Issue 1 may trash the values to be restored before we can restore - // them. - // - // The solution is to check if ProbeContext.cpu.sp contains a value in - // the undesirable range. If so, we copy the remaining ProbeContext - // register data to a safe range (at memory lower than where - // ProbeContext.cpu.sp points) first, and restore the remaining register - // from this new range. - - "add ip, sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_APSR_OFFSET) "\n" - "ldr lr, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_SP_OFFSET) "]" "\n" - "cmp lr, ip" "\n" - "bgt " SYMBOL_STRING(ctiMasmProbeTrampolineEnd) "\n" - - // We get here because the new expected stack pointer location is lower - // than where it's supposed to be. This means the safe range of stack - // memory where we'll be copying the remaining register restore values to - // might be in a region of memory below the sp i.e. unallocated stack - // memory. This in turn makes it vulnerable to interrupts potentially - // trashing the copied values. To prevent that, we must first allocate the - // needed stack memory by adjusting the sp before the copying. - - "sub lr, lr, #(6 * " STRINGIZE_VALUE_OF(PTR_SIZE) - " + " STRINGIZE_VALUE_OF(PROBE_CPU_IP_OFFSET) ")" "\n" - - "mov ip, sp" "\n" - "mov sp, lr" "\n" - "mov lr, ip" "\n" - - "ldr ip, [lr, #" STRINGIZE_VALUE_OF(PROBE_CPU_IP_OFFSET) "]" "\n" - "str ip, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_IP_OFFSET) "]" "\n" - "ldr ip, [lr, #" STRINGIZE_VALUE_OF(PROBE_CPU_SP_OFFSET) "]" "\n" - "str ip, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_SP_OFFSET) "]" "\n" - "ldr ip, [lr, #" STRINGIZE_VALUE_OF(PROBE_CPU_LR_OFFSET) "]" "\n" - "str ip, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_LR_OFFSET) "]" "\n" - "ldr ip, [lr, #" STRINGIZE_VALUE_OF(PROBE_CPU_PC_OFFSET) "]" "\n" - "str ip, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_PC_OFFSET) "]" "\n" - "ldr ip, [lr, #" STRINGIZE_VALUE_OF(PROBE_CPU_APSR_OFFSET) "]" "\n" - "str ip, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_APSR_OFFSET) "]" "\n" - -SYMBOL_STRING(ctiMasmProbeTrampolineEnd) ":" "\n" - "ldr ip, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_PC_OFFSET) "]" "\n" - "ldr lr, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_SP_OFFSET) "]" "\n" - "sub lr, lr, #" STRINGIZE_VALUE_OF(PTR_SIZE) "\n" - "str ip, [lr]" "\n" - "str lr, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_SP_OFFSET) "]" "\n" - - "ldr ip, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_APSR_OFFSET) "]" "\n" - "msr APSR, ip" "\n" - "ldr ip, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_LR_OFFSET) "]" "\n" - "mov lr, ip" "\n" - "ldr ip, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_IP_OFFSET) "]" "\n" - "ldr sp, [sp, #" STRINGIZE_VALUE_OF(PROBE_CPU_SP_OFFSET) "]" "\n" - - "pop { pc }" "\n" -); -#endif // USE(MASM_PROBE) - - - -#endif // COMPILER(GCC) - -} // namespace JSC - -#endif // JITStubsARM_h |