| // Copyright 2012 Google LLC |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * 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. |
| // * Neither the name of Google LLC 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| // OWNER OR 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. |
| |
| // This header can be included either from a C, C++ or Assembly file. |
| // Its purpose is to contain constants that must match the offsets of |
| // various fields in ucontext_t. |
| // |
| // They should match the definitions from signal.h. |
| // |
| // Used by src/common/linux/breakpad_getcontext.S |
| // Tested by src/common/linux/breakpad_getcontext_unittest.cc |
| // |
| // This header should not be used by anything else. |
| |
| #ifndef GOOGLEBREAKPAD_COMMON_LINUX_UCONTEXT_CONSTANTS_H |
| #define GOOGLEBREAKPAD_COMMON_LINUX_UCONTEXT_CONSTANTS_H |
| |
| #if defined(__arm__) |
| |
| #define MCONTEXT_GREGS_OFFSET 32 |
| #define UCONTEXT_SIGMASK_OFFSET 104 |
| |
| #elif defined(__aarch64__) |
| |
| #define UCONTEXT_SIGMASK_OFFSET 40 |
| |
| #define MCONTEXT_GREGS_OFFSET 184 |
| #define MCONTEXT_SP_OFFSET 432 |
| #define MCONTEXT_PC_OFFSET 440 |
| #define MCONTEXT_PSTATE_OFFSET 448 |
| #define MCONTEXT_EXTENSION_OFFSET 464 |
| |
| #define FPSIMD_MAGIC 0x46508001 |
| |
| #define FPSIMD_CONTEXT_MAGIC_OFFSET 0 |
| #define FPSIMD_CONTEXT_SIZE_OFFSET 4 |
| #define FPSIMD_CONTEXT_FPSR_OFFSET 8 |
| #define FPSIMD_CONTEXT_FPCR_OFFSET 12 |
| #define FPSIMD_CONTEXT_VREGS_OFFSET 16 |
| #define FPSIMD_CONTEXT_SIZE 528 |
| |
| #define REGISTER_SIZE 8 |
| #define SIMD_REGISTER_SIZE 16 |
| |
| #elif defined(__i386__) |
| |
| #define MCONTEXT_GREGS_OFFSET 20 |
| #define MCONTEXT_GS_OFFSET (MCONTEXT_GREGS_OFFSET + 0*4) |
| #define MCONTEXT_FS_OFFSET (MCONTEXT_GREGS_OFFSET + 1*4) |
| #define MCONTEXT_ES_OFFSET (MCONTEXT_GREGS_OFFSET + 2*4) |
| #define MCONTEXT_DS_OFFSET (MCONTEXT_GREGS_OFFSET + 3*4) |
| #define MCONTEXT_EDI_OFFSET (MCONTEXT_GREGS_OFFSET + 4*4) |
| #define MCONTEXT_ESI_OFFSET (MCONTEXT_GREGS_OFFSET + 5*4) |
| #define MCONTEXT_EBP_OFFSET (MCONTEXT_GREGS_OFFSET + 6*4) |
| #define MCONTEXT_ESP_OFFSET (MCONTEXT_GREGS_OFFSET + 7*4) |
| #define MCONTEXT_EBX_OFFSET (MCONTEXT_GREGS_OFFSET + 8*4) |
| #define MCONTEXT_EDX_OFFSET (MCONTEXT_GREGS_OFFSET + 9*4) |
| #define MCONTEXT_ECX_OFFSET (MCONTEXT_GREGS_OFFSET + 10*4) |
| #define MCONTEXT_EAX_OFFSET (MCONTEXT_GREGS_OFFSET + 11*4) |
| #define MCONTEXT_TRAPNO_OFFSET (MCONTEXT_GREGS_OFFSET + 12*4) |
| #define MCONTEXT_ERR_OFFSET (MCONTEXT_GREGS_OFFSET + 13*4) |
| #define MCONTEXT_EIP_OFFSET (MCONTEXT_GREGS_OFFSET + 14*4) |
| #define MCONTEXT_CS_OFFSET (MCONTEXT_GREGS_OFFSET + 15*4) |
| #define MCONTEXT_EFL_OFFSET (MCONTEXT_GREGS_OFFSET + 16*4) |
| #define MCONTEXT_UESP_OFFSET (MCONTEXT_GREGS_OFFSET + 17*4) |
| #define MCONTEXT_SS_OFFSET (MCONTEXT_GREGS_OFFSET + 18*4) |
| |
| #define UCONTEXT_SIGMASK_OFFSET 108 |
| |
| #define UCONTEXT_FPREGS_OFFSET 96 |
| #if defined(__BIONIC__) |
| #define UCONTEXT_FPREGS_MEM_OFFSET 116 |
| #else |
| #define UCONTEXT_FPREGS_MEM_OFFSET 236 |
| #endif |
| |
| #elif defined(__mips__) |
| |
| #if _MIPS_SIM == _ABIO32 |
| #define MCONTEXT_PC_OFFSET 32 |
| #define MCONTEXT_GREGS_OFFSET 40 |
| #define MCONTEXT_FPREGS_OFFSET 296 |
| #define MCONTEXT_FPC_CSR 556 |
| #define UCONTEXT_SIGMASK_OFFSET 616 |
| #else |
| #define MCONTEXT_GREGS_OFFSET 40 |
| #define MCONTEXT_FPREGS_OFFSET 296 |
| #define MCONTEXT_PC_OFFSET 616 |
| #define MCONTEXT_FPC_CSR 624 |
| #define UCONTEXT_SIGMASK_OFFSET 640 |
| #endif |
| |
| #elif defined(__x86_64__) |
| |
| #define MCONTEXT_GREGS_OFFSET 40 |
| #define UCONTEXT_SIGMASK_OFFSET 296 |
| |
| #define MCONTEXT_GREGS_R8 40 |
| #define MCONTEXT_GREGS_R9 48 |
| #define MCONTEXT_GREGS_R10 56 |
| #define MCONTEXT_GREGS_R11 64 |
| #define MCONTEXT_GREGS_R12 72 |
| #define MCONTEXT_GREGS_R13 80 |
| #define MCONTEXT_GREGS_R14 88 |
| #define MCONTEXT_GREGS_R15 96 |
| #define MCONTEXT_GREGS_RDI 104 |
| #define MCONTEXT_GREGS_RSI 112 |
| #define MCONTEXT_GREGS_RBP 120 |
| #define MCONTEXT_GREGS_RBX 128 |
| #define MCONTEXT_GREGS_RDX 136 |
| #define MCONTEXT_GREGS_RAX 144 |
| #define MCONTEXT_GREGS_RCX 152 |
| #define MCONTEXT_GREGS_RSP 160 |
| #define MCONTEXT_GREGS_RIP 168 |
| #define MCONTEXT_FPREGS_PTR 224 |
| #if defined(__BIONIC__) |
| #define MCONTEXT_FPREGS_MEM 304 |
| #else |
| #define MCONTEXT_FPREGS_MEM 424 |
| #endif |
| #define FPREGS_OFFSET_MXCSR 24 |
| |
| #elif defined(__riscv) |
| |
| #if __riscv_xlen == 32 |
| #define UCONTEXT_SIGMASK_OFFSET 20 |
| #define MCONTEXT_GREGS_OFFSET 148 |
| #define MCONTEXT_GREGS_SIZE 4 |
| #define REG_S sw |
| #elif __riscv_xlen == 64 |
| #define UCONTEXT_SIGMASK_OFFSET 40 |
| #define MCONTEXT_GREGS_OFFSET 168 |
| #define MCONTEXT_GREGS_SIZE 8 |
| #define REG_S sd |
| #else |
| #error "Unexpected __riscv_xlen" |
| #endif |
| |
| #define MCONTEXT_GREGS_PC MCONTEXT_GREGS_OFFSET + 0*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_RA MCONTEXT_GREGS_OFFSET + 1*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_SP MCONTEXT_GREGS_OFFSET + 2*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_GP MCONTEXT_GREGS_OFFSET + 3*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_TP MCONTEXT_GREGS_OFFSET + 4*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_T0 MCONTEXT_GREGS_OFFSET + 5*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_T1 MCONTEXT_GREGS_OFFSET + 6*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_T2 MCONTEXT_GREGS_OFFSET + 7*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_S0 MCONTEXT_GREGS_OFFSET + 8*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_S1 MCONTEXT_GREGS_OFFSET + 9*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_A0 MCONTEXT_GREGS_OFFSET + 10*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_A1 MCONTEXT_GREGS_OFFSET + 11*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_A2 MCONTEXT_GREGS_OFFSET + 12*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_A3 MCONTEXT_GREGS_OFFSET + 13*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_A4 MCONTEXT_GREGS_OFFSET + 14*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_A5 MCONTEXT_GREGS_OFFSET + 15*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_A6 MCONTEXT_GREGS_OFFSET + 16*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_A7 MCONTEXT_GREGS_OFFSET + 17*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_S2 MCONTEXT_GREGS_OFFSET + 18*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_S3 MCONTEXT_GREGS_OFFSET + 19*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_S4 MCONTEXT_GREGS_OFFSET + 20*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_S5 MCONTEXT_GREGS_OFFSET + 21*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_S6 MCONTEXT_GREGS_OFFSET + 22*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_S7 MCONTEXT_GREGS_OFFSET + 23*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_S8 MCONTEXT_GREGS_OFFSET + 24*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_S9 MCONTEXT_GREGS_OFFSET + 25*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_S10 MCONTEXT_GREGS_OFFSET + 26*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_S11 MCONTEXT_GREGS_OFFSET + 27*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_T3 MCONTEXT_GREGS_OFFSET + 28*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_T4 MCONTEXT_GREGS_OFFSET + 29*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_T5 MCONTEXT_GREGS_OFFSET + 30*MCONTEXT_GREGS_SIZE |
| #define MCONTEXT_GREGS_T6 MCONTEXT_GREGS_OFFSET + 31*MCONTEXT_GREGS_SIZE |
| |
| #define MCONTEXT_FPREGS_OFFSET MCONTEXT_GREGS_OFFSET + 32*MCONTEXT_GREGS_SIZE |
| |
| #if __riscv_flen == 32 |
| #define MCONTEXT_FPREGS_SIZE 4 |
| #define FREG_S fsw |
| #elif __riscv_flen == 64 |
| #define MCONTEXT_FPREGS_SIZE 8 |
| #define FREG_S fsd |
| #elif __riscv_flen == 128 |
| #define MCONTEXT_FPREGS_SIZE 16 |
| #define FREG_S fsq |
| #else |
| #error "Unexpected __riscv_flen" |
| #endif |
| |
| #define MCONTEXT_FPREGS_FT0 MCONTEXT_FPREGS_OFFSET + 0*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FT1 MCONTEXT_FPREGS_OFFSET + 1*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FT2 MCONTEXT_FPREGS_OFFSET + 2*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FT3 MCONTEXT_FPREGS_OFFSET + 3*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FT4 MCONTEXT_FPREGS_OFFSET + 4*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FT5 MCONTEXT_FPREGS_OFFSET + 5*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FT6 MCONTEXT_FPREGS_OFFSET + 6*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FT7 MCONTEXT_FPREGS_OFFSET + 7*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FS0 MCONTEXT_FPREGS_OFFSET + 8*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FS1 MCONTEXT_FPREGS_OFFSET + 9*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FA0 MCONTEXT_FPREGS_OFFSET + 10*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FA1 MCONTEXT_FPREGS_OFFSET + 11*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FA2 MCONTEXT_FPREGS_OFFSET + 12*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FA3 MCONTEXT_FPREGS_OFFSET + 13*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FA4 MCONTEXT_FPREGS_OFFSET + 14*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FA5 MCONTEXT_FPREGS_OFFSET + 15*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FA6 MCONTEXT_FPREGS_OFFSET + 16*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FA7 MCONTEXT_FPREGS_OFFSET + 17*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FS2 MCONTEXT_FPREGS_OFFSET + 18*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FS3 MCONTEXT_FPREGS_OFFSET + 19*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FS4 MCONTEXT_FPREGS_OFFSET + 20*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FS5 MCONTEXT_FPREGS_OFFSET + 21*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FS6 MCONTEXT_FPREGS_OFFSET + 22*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FS7 MCONTEXT_FPREGS_OFFSET + 23*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FS8 MCONTEXT_FPREGS_OFFSET + 24*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FS9 MCONTEXT_FPREGS_OFFSET + 25*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FS10 MCONTEXT_FPREGS_OFFSET + 26*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FS11 MCONTEXT_FPREGS_OFFSET + 27*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FT8 MCONTEXT_FPREGS_OFFSET + 28*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FT9 MCONTEXT_FPREGS_OFFSET + 29*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FT10 MCONTEXT_FPREGS_OFFSET + 30*MCONTEXT_FPREGS_SIZE |
| #define MCONTEXT_FPREGS_FT11 MCONTEXT_FPREGS_OFFSET + 31*MCONTEXT_FPREGS_SIZE |
| |
| #define MCONTEXT_FPC_CSR MCONTEXT_FPREGS_OFFSET + 32*MCONTEXT_FPREGS_SIZE |
| |
| #else |
| # error "This header has not been ported for your CPU" |
| #endif |
| |
| #endif // GOOGLEBREAKPAD_COMMON_ANDROID_UCONTEXT_CONSTANTS_H |
