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#include <stddef.h>
#include <signal.h>
#include <sys/ucontext.h>
--
SIG_BLOCK
SIG_SETMASK
-- Offsets of the fields in the powerpc64 ABI stack frame.
-- XXX Do these correspond to some struct?
FRAME_BACKCHAIN 0
FRAME_CR_SAVE 8
FRAME_LR_SAVE 16
FRAME_COMPILER_DW 24
FRAME_LINKER_DW 32
FRAME_TOC_SAVE 40
FRAME_PARM_SAVE 48
FRAME_PARM1_SAVE 48
FRAME_PARM2_SAVE 56
FRAME_PARM3_SAVE 64
FRAME_PARM4_SAVE 72
FRAME_PARM5_SAVE 80
FRAME_PARM6_SAVE 88
FRAME_PARM7_SAVE 96
FRAME_PARM8_SAVE 104
FRAME_PARM9_SAVE 112
-- Offsets of the fields in the ucontext_t structure.
#define ucontext(member) offsetof (ucontext_t, member)
#define mcontext(member) ucontext (uc_mcontext.member)
UCONTEXT_LINK ucontext (uc_link)
UCONTEXT_STACK ucontext (uc_stack)
UCONTEXT_STACK_SP ucontext (uc_stack.ss_sp)
UCONTEXT_STACK_FLAGS ucontext (uc_stack.ss_flags)
UCONTEXT_STACK_SIZE ucontext (uc_stack.ss_size)
UCONTEXT_SIGMASK ucontext (uc_sigmask)
UCONTEXT_MCONTEXT ucontext (uc_mcontext)
SIGCONTEXT_SIGNAL mcontext (signal)
SIGCONTEXT_HANDLER mcontext (handler)
SIGCONTEXT_OLDMASK mcontext (oldmask)
SIGCONTEXT_PT_REGS mcontext (regs)
SIGCONTEXT_GP_REGS mcontext (gp_regs)
SIGCONTEXT_FP_REGS mcontext (fp_regs)
SIGCONTEXT_V_REGS_PTR mcontext (v_regs)
SIGCONTEXT_V_RESERVE mcontext (vmx_reserve)
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