/* Linux-specific definitions: */
/* Define various structure offsets to simplify cross-compilation. */
/* FIXME: Currently these are only used in getcontext.S, which is only used
for a local unwinder, so we can use the compile-time ABI. At a later date
we will want all three here, to use for signal handlers. Also, because
of the three ABIs, gen-offsets.c can not quite generate this file. */
/* Offsets for MIPS Linux "ucontext_t": */
/* First 24 bytes in sigframe are argument save space and padding for
what used to be signal trampolines. Ref: arch/mips/kernel/signal.c */
#define LINUX_SF_TRAMP_SIZE 0x18
#if _MIPS_SIM == _ABIO32
# define LINUX_UC_FLAGS_OFF 0x0
# define LINUX_UC_LINK_OFF 0x4
# define LINUX_UC_STACK_OFF 0x8
# define LINUX_UC_MCONTEXT_OFF 0x18
# define LINUX_UC_SIGMASK_OFF 0x268
# define LINUX_UC_MCONTEXT_PC 0x20
# define LINUX_UC_MCONTEXT_GREGS 0x28
#elif _MIPS_SIM == _ABIN32
# define LINUX_UC_FLAGS_OFF 0x0
# define LINUX_UC_LINK_OFF 0x4
# define LINUX_UC_STACK_OFF 0x8
# define LINUX_UC_MCONTEXT_OFF 0x18
# define LINUX_UC_SIGMASK_OFF 0x270
# define LINUX_UC_MCONTEXT_PC 0x258
# define LINUX_UC_MCONTEXT_GREGS 0x18
#elif _MIPS_SIM == _ABI64
# define LINUX_UC_FLAGS_OFF 0x0
# define LINUX_UC_LINK_OFF 0x8
# define LINUX_UC_STACK_OFF 0x10
# define LINUX_UC_MCONTEXT_OFF 0x28
# define LINUX_UC_SIGMASK_OFF 0x280
# define LINUX_UC_MCONTEXT_PC 0x268
# define LINUX_UC_MCONTEXT_GREGS 0x28
#else
#error Unsupported ABI
#endif
#define LINUX_SC_R0_OFF (LINUX_UC_MCONTEXT_GREGS - LINUX_UC_MCONTEXT_OFF)
#define LINUX_SC_R1_OFF (LINUX_SC_R0_OFF + 1*8)
#define LINUX_SC_R2_OFF (LINUX_SC_R0_OFF + 2*8)
#define LINUX_SC_R3_OFF (LINUX_SC_R0_OFF + 3*8)
#define LINUX_SC_R4_OFF (LINUX_SC_R0_OFF + 4*8)
#define LINUX_SC_R5_OFF (LINUX_SC_R0_OFF + 5*8)
#define LINUX_SC_R6_OFF (LINUX_SC_R0_OFF + 6*8)
#define LINUX_SC_R7_OFF (LINUX_SC_R0_OFF + 7*8)
#define LINUX_SC_R8_OFF (LINUX_SC_R0_OFF + 8*8)
#define LINUX_SC_R9_OFF (LINUX_SC_R0_OFF + 9*8)
#define LINUX_SC_R10_OFF (LINUX_SC_R0_OFF + 10*8)
#define LINUX_SC_R11_OFF (LINUX_SC_R0_OFF + 11*8)
#define LINUX_SC_R12_OFF (LINUX_SC_R0_OFF + 12*8)
#define LINUX_SC_R13_OFF (LINUX_SC_R0_OFF + 13*8)
#define LINUX_SC_R14_OFF (LINUX_SC_R0_OFF + 14*8)
#define LINUX_SC_R15_OFF (LINUX_SC_R0_OFF + 15*8)
#define LINUX_SC_R16_OFF (LINUX_SC_R0_OFF + 16*8)
#define LINUX_SC_R17_OFF (LINUX_SC_R0_OFF + 17*8)
#define LINUX_SC_R18_OFF (LINUX_SC_R0_OFF + 18*8)
#define LINUX_SC_R19_OFF (LINUX_SC_R0_OFF + 19*8)
#define LINUX_SC_R20_OFF (LINUX_SC_R0_OFF + 20*8)
#define LINUX_SC_R21_OFF (LINUX_SC_R0_OFF + 21*8)
#define LINUX_SC_R22_OFF (LINUX_SC_R0_OFF + 22*8)
#define LINUX_SC_R23_OFF (LINUX_SC_R0_OFF + 23*8)
#define LINUX_SC_R24_OFF (LINUX_SC_R0_OFF + 24*8)
#define LINUX_SC_R25_OFF (LINUX_SC_R0_OFF + 25*8)
#define LINUX_SC_R26_OFF (LINUX_SC_R0_OFF + 26*8)
#define LINUX_SC_R27_OFF (LINUX_SC_R0_OFF + 27*8)
#define LINUX_SC_R28_OFF (LINUX_SC_R0_OFF + 28*8)
#define LINUX_SC_R29_OFF (LINUX_SC_R0_OFF + 29*8)
#define LINUX_SC_R30_OFF (LINUX_SC_R0_OFF + 30*8)
#define LINUX_SC_R31_OFF (LINUX_SC_R0_OFF + 31*8)
#define LINUX_SC_SP_OFF LINUX_SC_R29_OFF
#define LINUX_SC_PC_OFF (LINUX_UC_MCONTEXT_PC - LINUX_UC_MCONTEXT_OFF)