| /* libunwind - a platform-independent unwind library |
| |
| This file is part of libunwind. |
| |
| Permission is hereby granted, free of charge, to any person obtaining |
| a copy of this software and associated documentation files (the |
| "Software"), to deal in the Software without restriction, including |
| without limitation the rights to use, copy, modify, merge, publish, |
| distribute, sublicense, and/or sell copies of the Software, and to |
| permit persons to whom the Software is furnished to do so, subject to |
| the following conditions: |
| |
| The above copyright notice and this permission notice shall be |
| included in all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| |
| #include "_UCD_lib.h" |
| |
| #include "_UCD_internal.h" |
| |
| int |
| _UCD_access_reg (unw_addr_space_t as, |
| unw_regnum_t regnum, unw_word_t *valp, |
| int write, void *arg) |
| { |
| if (write) |
| { |
| Debug(0, "write is not supported\n"); |
| return -UNW_EINVAL; |
| } |
| |
| struct UCD_info *ui = arg; |
| |
| #if defined(UNW_TARGET_X86) |
| switch (regnum) { |
| case UNW_X86_EAX: |
| *valp = ui->prstatus->pr_reg.r_eax; |
| break; |
| case UNW_X86_EDX: |
| *valp = ui->prstatus->pr_reg.r_edx; |
| break; |
| case UNW_X86_ECX: |
| *valp = ui->prstatus->pr_reg.r_ecx; |
| break; |
| case UNW_X86_EBX: |
| *valp = ui->prstatus->pr_reg.r_ebx; |
| break; |
| case UNW_X86_ESI: |
| *valp = ui->prstatus->pr_reg.r_esi; |
| break; |
| case UNW_X86_EDI: |
| *valp = ui->prstatus->pr_reg.r_edi; |
| break; |
| case UNW_X86_EBP: |
| *valp = ui->prstatus->pr_reg.r_ebp; |
| break; |
| case UNW_X86_ESP: |
| *valp = ui->prstatus->pr_reg.r_esp; |
| break; |
| case UNW_X86_EIP: |
| *valp = ui->prstatus->pr_reg.r_eip; |
| break; |
| case UNW_X86_EFLAGS: |
| *valp = ui->prstatus->pr_reg.r_eflags; |
| break; |
| case UNW_X86_TRAPNO: |
| *valp = ui->prstatus->pr_reg.r_trapno; |
| break; |
| default: |
| Debug(0, "bad regnum:%d\n", regnum); |
| return -UNW_EINVAL; |
| }; |
| #elif defined(UNW_TARGET_X86_64) |
| switch (regnum) { |
| case UNW_X86_64_RAX: |
| *valp = ui->prstatus->pr_reg.r_rax; |
| break; |
| case UNW_X86_64_RDX: |
| *valp = ui->prstatus->pr_reg.r_rdx; |
| break; |
| case UNW_X86_64_RCX: |
| *valp = ui->prstatus->pr_reg.r_rcx; |
| break; |
| case UNW_X86_64_RBX: |
| *valp = ui->prstatus->pr_reg.r_rbx; |
| break; |
| case UNW_X86_64_RSI: |
| *valp = ui->prstatus->pr_reg.r_rsi; |
| break; |
| case UNW_X86_64_RDI: |
| *valp = ui->prstatus->pr_reg.r_rdi; |
| break; |
| case UNW_X86_64_RBP: |
| *valp = ui->prstatus->pr_reg.r_rbp; |
| break; |
| case UNW_X86_64_RSP: |
| *valp = ui->prstatus->pr_reg.r_rsp; |
| break; |
| case UNW_X86_64_RIP: |
| *valp = ui->prstatus->pr_reg.r_rip; |
| break; |
| default: |
| Debug(0, "bad regnum:%d\n", regnum); |
| return -UNW_EINVAL; |
| }; |
| #else |
| #error Port me |
| #endif |
| |
| return 0; |
| } |