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104 lines
3.1 KiB
104 lines
3.1 KiB
/* |
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* Copyright (C) 2016 The Android Open Source Project |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#ifndef _LIBUNWINDSTACK_REGS_GET_LOCAL_H |
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#define _LIBUNWINDSTACK_REGS_GET_LOCAL_H |
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namespace unwindstack { |
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#if defined(__arm__) |
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inline void RegsGetLocal(Regs* regs) { |
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void* reg_data = regs->RawData(); |
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asm volatile( |
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".align 2\n" |
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"bx pc\n" |
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"nop\n" |
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".code 32\n" |
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"stmia %[base], {r0-r12}\n" |
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"add %[base], #52\n" |
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"mov r1, r13\n" |
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"mov r2, r14\n" |
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"mov r3, r15\n" |
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"stmia %[base], {r1-r3}\n" |
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"orr %[base], pc, #1\n" |
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"bx %[base]\n" |
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: [base] "+r"(reg_data) |
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: |
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: "memory"); |
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regs->SetFromRaw(); |
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} |
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#elif defined(__aarch64__) |
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inline void RegsGetLocal(Regs* regs) { |
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void* reg_data = regs->RawData(); |
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asm volatile( |
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"1:\n" |
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"stp x0, x1, [%[base], #0]\n" |
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"stp x2, x3, [%[base], #16]\n" |
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"stp x4, x5, [%[base], #32]\n" |
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"stp x6, x7, [%[base], #48]\n" |
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"stp x8, x9, [%[base], #64]\n" |
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"stp x10, x11, [%[base], #80]\n" |
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"stp x12, x13, [%[base], #96]\n" |
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"stp x14, x15, [%[base], #112]\n" |
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"stp x16, x17, [%[base], #128]\n" |
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"stp x18, x19, [%[base], #144]\n" |
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"stp x20, x21, [%[base], #160]\n" |
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"stp x22, x23, [%[base], #176]\n" |
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"stp x24, x25, [%[base], #192]\n" |
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"stp x26, x27, [%[base], #208]\n" |
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"stp x28, x29, [%[base], #224]\n" |
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"str x30, [%[base], #240]\n" |
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"mov x12, sp\n" |
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"adr x13, 1b\n" |
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"stp x12, x13, [%[base], #248]\n" |
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: [base] "+r"(reg_data) |
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: |
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: "x12", "x13", "memory"); |
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regs->SetFromRaw(); |
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} |
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#elif defined(__i386__) || defined(__x86_64__) |
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extern "C" void AsmGetRegs(void* regs); |
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inline void RegsGetLocal(Regs* regs) { |
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AsmGetRegs(regs->RawData()); |
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regs->SetFromRaw(); |
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} |
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#endif |
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} // namespace unwindstack |
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#endif // _LIBUNWINDSTACK_REGS_GET_LOCAL_H
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