/* Linux-specific definitions: */ /* 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 /* 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