| /* Linux-specific definitions: (these are the C library offsets and not the kernel ones) */ |
| |
| /* Define various structure offsets to simplify cross-compilation. */ |
| |
| /* Offsets for x86 Linux "ucontext_t": */ |
| |
| #define LINUX_UC_FLAGS_OFF 0x00 |
| #define LINUX_UC_LINK_OFF 0x04 |
| #define LINUX_UC_STACK_OFF 0x08 |
| #define LINUX_UC_MCONTEXT_OFF 0x14 |
| #define LINUX_UC_SIGMASK_OFF 0x6c |
| // Bionic uses 8 bytes for sigmask (just like the kernel) whereas libunwind |
| // expects by default a glibc like sigmask (128 bytes). |
| #if defined(__ANDROID__) |
| #define LINUX_UC_FPREGS_MEM_OFF 0x74 |
| #else |
| #define LINUX_UC_FPREGS_MEM_OFF 0xec |
| #endif |
| |
| /* The struct sigcontext is located at an offset of 4 |
| from the stack pointer in the signal frame. */ |
| |
| /* Offsets for x86 Linux "struct sigcontext": */ |
| |
| #define LINUX_SC_GS_OFF 0x00 |
| #define LINUX_SC_GSH_OFF 0x02 |
| #define LINUX_SC_FS_OFF 0x04 |
| #define LINUX_SC_FSH_OFF 0x06 |
| #define LINUX_SC_ES_OFF 0x08 |
| #define LINUX_SC_ESH_OFF 0x0a |
| #define LINUX_SC_DS_OFF 0x0c |
| #define LINUX_SC_DSH_OFF 0x0e |
| #define LINUX_SC_EDI_OFF 0x10 |
| #define LINUX_SC_ESI_OFF 0x14 |
| #define LINUX_SC_EBP_OFF 0x18 |
| #define LINUX_SC_ESP_OFF 0x1c |
| #define LINUX_SC_EBX_OFF 0x20 |
| #define LINUX_SC_EDX_OFF 0x24 |
| #define LINUX_SC_ECX_OFF 0x28 |
| #define LINUX_SC_EAX_OFF 0x2c |
| #define LINUX_SC_TRAPNO_OFF 0x30 |
| #define LINUX_SC_ERR_OFF 0x34 |
| #define LINUX_SC_EIP_OFF 0x38 |
| #define LINUX_SC_CS_OFF 0x3c |
| #define LINUX_SC_CSH_OFF 0x3e |
| #define LINUX_SC_EFLAGS_OFF 0x40 |
| #define LINUX_SC_ESP_AT_SIGNAL_OFF 0x44 |
| #define LINUX_SC_SS_OFF 0x48 |
| #define LINUX_SC_SSH_OFF 0x4a |
| #define LINUX_SC_FPSTATE_OFF 0x4c |
| #define LINUX_SC_OLDMASK_OFF 0x50 |
| #define LINUX_SC_CR2_OFF 0x54 |
| |
| /* Offsets for x86 Linux "struct _fpstate": */ |
| |
| #define LINUX_FPSTATE_CW_OFF 0x000 |
| #define LINUX_FPSTATE_SW_OFF 0x004 |
| #define LINUX_FPSTATE_TAG_OFF 0x008 |
| #define LINUX_FPSTATE_IPOFF_OFF 0x00c |
| #define LINUX_FPSTATE_CSSEL_OFF 0x010 |
| #define LINUX_FPSTATE_DATAOFF_OFF 0x014 |
| #define LINUX_FPSTATE_DATASEL_OFF 0x018 |
| #define LINUX_FPSTATE_ST0_OFF 0x01c |
| #define LINUX_FPSTATE_ST1_OFF 0x026 |
| #define LINUX_FPSTATE_ST2_OFF 0x030 |
| #define LINUX_FPSTATE_ST3_OFF 0x03a |
| #define LINUX_FPSTATE_ST4_OFF 0x044 |
| #define LINUX_FPSTATE_ST5_OFF 0x04e |
| #define LINUX_FPSTATE_ST6_OFF 0x058 |
| #define LINUX_FPSTATE_ST7_OFF 0x062 |
| #define LINUX_FPSTATE_STATUS_OFF 0x06c |
| #define LINUX_FPSTATE_MAGIC_OFF 0x06e |
| #define LINUX_FPSTATE_FXSR_ENV_OFF 0x070 |
| #define LINUX_FPSTATE_MXCSR_OFF 0x088 |
| #define LINUX_FPSTATE_FXSR_ST0_OFF 0x090 |
| #define LINUX_FPSTATE_FXSR_ST1_OFF 0x0a0 |
| #define LINUX_FPSTATE_FXSR_ST2_OFF 0x0b0 |
| #define LINUX_FPSTATE_FXSR_ST3_OFF 0x0c0 |
| #define LINUX_FPSTATE_FXSR_ST4_OFF 0x0d0 |
| #define LINUX_FPSTATE_FXSR_ST5_OFF 0x0e0 |
| #define LINUX_FPSTATE_FXSR_ST6_OFF 0x0f0 |
| #define LINUX_FPSTATE_FXSR_ST7_OFF 0x100 |
| #define LINUX_FPSTATE_XMM0_OFF 0x110 |
| #define LINUX_FPSTATE_XMM1_OFF 0x120 |
| #define LINUX_FPSTATE_XMM2_OFF 0x130 |
| #define LINUX_FPSTATE_XMM3_OFF 0x140 |
| #define LINUX_FPSTATE_XMM4_OFF 0x150 |
| #define LINUX_FPSTATE_XMM5_OFF 0x160 |
| #define LINUX_FPSTATE_XMM6_OFF 0x170 |
| #define LINUX_FPSTATE_XMM7_OFF 0x180 |
| |
| /* FreeBSD-specific definitions: */ |
| |
| #define FREEBSD_SC_UCONTEXT_OFF 0x20 |
| #define FREEBSD_UC_MCONTEXT_OFF 0x10 |
| |
| #define FREEBSD_UC_MCONTEXT_GS_OFF 0x14 |
| #define FREEBSD_UC_MCONTEXT_FS_OFF 0x18 |
| #define FREEBSD_UC_MCONTEXT_ES_OFF 0x1c |
| #define FREEBSD_UC_MCONTEXT_DS_OFF 0x20 |
| #define FREEBSD_UC_MCONTEXT_EDI_OFF 0x24 |
| #define FREEBSD_UC_MCONTEXT_ESI_OFF 0x28 |
| #define FREEBSD_UC_MCONTEXT_EBP_OFF 0x2c |
| #define FREEBSD_UC_MCONTEXT_EBX_OFF 0x34 |
| #define FREEBSD_UC_MCONTEXT_EDX_OFF 0x38 |
| #define FREEBSD_UC_MCONTEXT_ECX_OFF 0x3c |
| #define FREEBSD_UC_MCONTEXT_EAX_OFF 0x40 |
| #define FREEBSD_UC_MCONTEXT_TRAPNO_OFF 0x44 |
| #define FREEBSD_UC_MCONTEXT_EIP_OFF 0x4c |
| #define FREEBSD_UC_MCONTEXT_ESP_OFF 0x58 |
| #define FREEBSD_UC_MCONTEXT_CS_OFF 0x50 |
| #define FREEBSD_UC_MCONTEXT_EFLAGS_OFF 0x54 |
| #define FREEBSD_UC_MCONTEXT_SS_OFF 0x5c |
| #define FREEBSD_UC_MCONTEXT_MC_LEN_OFF 0x60 |
| #define FREEBSD_UC_MCONTEXT_FPFORMAT_OFF 0x64 |
| #define FREEBSD_UC_MCONTEXT_OWNEDFP_OFF 0x68 |
| #define FREEBSD_UC_MCONTEXT_FPSTATE_OFF 0x70 |
| |
| #define FREEBSD_UC_MCONTEXT_CW_OFF 0x70 |
| #define FREEBSD_UC_MCONTEXT_SW_OFF 0x74 |
| #define FREEBSD_UC_MCONTEXT_TAG_OFF 0x78 |
| #define FREEBSD_UC_MCONTEXT_IPOFF_OFF 0x7c |
| #define FREEBSD_UC_MCONTEXT_CSSEL_OFF 0x80 |
| #define FREEBSD_UC_MCONTEXT_DATAOFF_OFF 0x84 |
| #define FREEBSD_US_MCONTEXT_DATASEL_OFF 0x88 |
| #define FREEBSD_UC_MCONTEXT_ST0_OFF 0x8c |
| |
| #define FREEBSD_UC_MCONTEXT_CW_XMM_OFF 0x70 |
| #define FREEBSD_UC_MCONTEXT_SW_XMM_OFF 0x72 |
| #define FREEBSD_UC_MCONTEXT_TAG_XMM_OFF 0x74 |
| #define FREEBSD_UC_MCONTEXT_IPOFF_XMM_OFF 0x78 |
| #define FREEBSD_UC_MCONTEXT_CSSEL_XMM_OFF 0x7c |
| #define FREEBSD_UC_MCONTEXT_DATAOFF_XMM_OFF 0x80 |
| #define FREEBSD_US_MCONTEXT_DATASEL_XMM_OFF 0x84 |
| #define FREEBSD_UC_MCONTEXT_MXCSR_XMM_OFF 0x88 |
| #define FREEBSD_UC_MCONTEXT_ST0_XMM_OFF 0x90 |
| #define FREEBSD_UC_MCONTEXT_XMM0_OFF 0x110 |
| |
| #define FREEBSD_UC_MCONTEXT_MC_LEN_VAL 0x280 |
| #define FREEBSD_UC_MCONTEXT_FPFMT_NODEV 0x10000 |
| #define FREEBSD_UC_MCONTEXT_FPFMT_387 0x10001 |
| #define FREEBSD_UC_MCONTEXT_FPFMT_XMM 0x10002 |
| #define FREEBSD_UC_MCONTEXT_FPOWNED_NONE 0x20000 |
| #define FREEBSD_UC_MCONTEXT_FPOWNED_FPU 0x20001 |
| #define FREEBSD_UC_MCONTEXT_FPOWNED_PCB 0x20002 |
| |
