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#ifndef __MONO_MONO_SIGCONTEXT_H__
#define __MONO_MONO_SIGCONTEXT_H__
#include <config.h>
#if defined(PLATFORM_ANDROID)
#include <asm/sigcontext.h>
#endif
#if defined(__i386__)
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__DragonFly__)
#include <ucontext.h>
#endif
#if defined(__APPLE__)
#include <AvailabilityMacros.h>
#endif
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
#define UCONTEXT_REG_EAX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_eax)
#define UCONTEXT_REG_EBX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_ebx)
#define UCONTEXT_REG_ECX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_ecx)
#define UCONTEXT_REG_EDX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_edx)
#define UCONTEXT_REG_EBP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_ebp)
#define UCONTEXT_REG_ESP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_esp)
#define UCONTEXT_REG_ESI(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_esi)
#define UCONTEXT_REG_EDI(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_edi)
#define UCONTEXT_REG_EIP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_eip)
#elif defined(__APPLE__)
# if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
#define UCONTEXT_REG_EAX(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__eax)
#define UCONTEXT_REG_EBX(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__ebx)
#define UCONTEXT_REG_ECX(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__ecx)
#define UCONTEXT_REG_EDX(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__edx)
#define UCONTEXT_REG_EBP(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__ebp)
#define UCONTEXT_REG_ESP(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__esp)
#define UCONTEXT_REG_ESI(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__esi)
#define UCONTEXT_REG_EDI(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__edi)
#define UCONTEXT_REG_EIP(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__eip)
# else
#define UCONTEXT_REG_EAX(ctx) (((ucontext_t*)(ctx))->uc_mcontext->ss.eax)
#define UCONTEXT_REG_EBX(ctx) (((ucontext_t*)(ctx))->uc_mcontext->ss.ebx)
#define UCONTEXT_REG_ECX(ctx) (((ucontext_t*)(ctx))->uc_mcontext->ss.ecx)
#define UCONTEXT_REG_EDX(ctx) (((ucontext_t*)(ctx))->uc_mcontext->ss.edx)
#define UCONTEXT_REG_EBP(ctx) (((ucontext_t*)(ctx))->uc_mcontext->ss.ebp)
#define UCONTEXT_REG_ESP(ctx) (((ucontext_t*)(ctx))->uc_mcontext->ss.esp)
#define UCONTEXT_REG_ESI(ctx) (((ucontext_t*)(ctx))->uc_mcontext->ss.esi)
#define UCONTEXT_REG_EDI(ctx) (((ucontext_t*)(ctx))->uc_mcontext->ss.edi)
#define UCONTEXT_REG_EIP(ctx) (((ucontext_t*)(ctx))->uc_mcontext->ss.eip)
# endif
#elif defined(__NetBSD__)
#define UCONTEXT_REG_EAX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_EAX])
#define UCONTEXT_REG_EBX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_EBX])
#define UCONTEXT_REG_ECX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_ECX])
#define UCONTEXT_REG_EDX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_EDX])
#define UCONTEXT_REG_EBP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_EBP])
#define UCONTEXT_REG_ESP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_ESP])
#define UCONTEXT_REG_ESI(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_ESI])
#define UCONTEXT_REG_EDI(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_EDI])
#define UCONTEXT_REG_EIP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_EIP])
#elif defined(__OpenBSD__)
#define UCONTEXT_REG_EAX(ctx) (((ucontext_t*)(ctx))->sc_eax)
#define UCONTEXT_REG_EBX(ctx) (((ucontext_t*)(ctx))->sc_ebx)
#define UCONTEXT_REG_ECX(ctx) (((ucontext_t*)(ctx))->sc_ecx)
#define UCONTEXT_REG_EDX(ctx) (((ucontext_t*)(ctx))->sc_edx)
#define UCONTEXT_REG_EBP(ctx) (((ucontext_t*)(ctx))->sc_ebp)
#define UCONTEXT_REG_ESP(ctx) (((ucontext_t*)(ctx))->sc_esp)
#define UCONTEXT_REG_ESI(ctx) (((ucontext_t*)(ctx))->sc_esi)
#define UCONTEXT_REG_EDI(ctx) (((ucontext_t*)(ctx))->sc_edi)
#define UCONTEXT_REG_EIP(ctx) (((ucontext_t*)(ctx))->sc_eip)
#else
#define UCONTEXT_REG_EAX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.gregs [REG_EAX])
#define UCONTEXT_REG_EBX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.gregs [REG_EBX])
#define UCONTEXT_REG_ECX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.gregs [REG_ECX])
#define UCONTEXT_REG_EDX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.gregs [REG_EDX])
#define UCONTEXT_REG_EBP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.gregs [REG_EBP])
#define UCONTEXT_REG_ESP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.gregs [REG_ESP])
#define UCONTEXT_REG_ESI(ctx) (((ucontext_t*)(ctx))->uc_mcontext.gregs [REG_ESI])
#define UCONTEXT_REG_EDI(ctx) (((ucontext_t*)(ctx))->uc_mcontext.gregs [REG_EDI])
#define UCONTEXT_REG_EIP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.gregs [REG_EIP])
#endif
#elif defined(__x86_64__)
#if defined(__APPLE__)
#define UCONTEXT_REG_RAX(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__rax)
#define UCONTEXT_REG_RBX(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__rbx)
#define UCONTEXT_REG_RCX(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__rcx)
#define UCONTEXT_REG_RDX(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__rdx)
#define UCONTEXT_REG_RBP(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__rbp)
#define UCONTEXT_REG_RSP(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__rsp)
#define UCONTEXT_REG_RSI(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__rsi)
#define UCONTEXT_REG_RDI(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__rdi)
#define UCONTEXT_REG_RIP(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__rip)
#define UCONTEXT_REG_R8(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r8)
#define UCONTEXT_REG_R9(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r9)
#define UCONTEXT_REG_R10(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r10)
#define UCONTEXT_REG_R11(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r11)
#define UCONTEXT_REG_R12(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r12)
#define UCONTEXT_REG_R13(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r13)
#define UCONTEXT_REG_R14(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r14)
#define UCONTEXT_REG_R15(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r15)
#elif defined(__FreeBSD__) || defined(__DragonFly__)
#define UCONTEXT_REG_RAX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rax)
#define UCONTEXT_REG_RBX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rbx)
#define UCONTEXT_REG_RCX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rcx)
#define UCONTEXT_REG_RDX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rdx)
#define UCONTEXT_REG_RBP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rbp)
#define UCONTEXT_REG_RSP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rsp)
#define UCONTEXT_REG_RSI(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rsi)
#define UCONTEXT_REG_RDI(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rdi)
#define UCONTEXT_REG_RIP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rip)
#define UCONTEXT_REG_R12(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_r12)
#define UCONTEXT_REG_R13(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_r13)
#define UCONTEXT_REG_R14(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_r14)
#define UCONTEXT_REG_R15(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_r15)
#elif defined(__FreeBSD_kernel__)
#define UCONTEXT_REG_RAX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rax)
#define UCONTEXT_REG_RBX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rbx)
#define UCONTEXT_REG_RCX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rcx)
#define UCONTEXT_REG_RDX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rdx)
#define UCONTEXT_REG_RBP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rbp)
#define UCONTEXT_REG_RSP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rsp)
#define UCONTEXT_REG_RSI(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rsi)
#define UCONTEXT_REG_RDI(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rdi)
#define UCONTEXT_REG_RIP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_rip)
#define UCONTEXT_REG_R8(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_r8)
#define UCONTEXT_REG_R9(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_r9)
#define UCONTEXT_REG_R10(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_r10)
#define UCONTEXT_REG_R11(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_r11)
#define UCONTEXT_REG_R12(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_r12)
#define UCONTEXT_REG_R13(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_r13)
#define UCONTEXT_REG_R14(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_r14)
#define UCONTEXT_REG_R15(ctx) (((ucontext_t*)(ctx))->uc_mcontext.mc_r15)
#elif defined(__NetBSD__)
#define UCONTEXT_REG_RAX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_RAX])
#define UCONTEXT_REG_RBX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_RBX])
#define UCONTEXT_REG_RCX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_RCX])
#define UCONTEXT_REG_RDX(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_RDX])
#define UCONTEXT_REG_RBP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_RBP])
#define UCONTEXT_REG_RSP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_RSP])
#define UCONTEXT_REG_RSI(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_RSI])
#define UCONTEXT_REG_RDI(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_RDI])
#define UCONTEXT_REG_RIP(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_RIP])
#define UCONTEXT_REG_R12(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_R12])
#define UCONTEXT_REG_R13(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_R13])
#define UCONTEXT_REG_R14(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_R14])
#define UCONTEXT_REG_R15(ctx) (((ucontext_t*)(ctx))->uc_mcontext.__gregs [_REG_R15])
#elif defined(__OpenBSD__)
/* OpenBSD/amd64 has no gregs array, ucontext_t == sigcontext */
#define UCONTEXT_REG_RAX(ctx) (((ucontext_t*)(ctx))->sc_rax)
#define UCONTEXT_REG_RBX(ctx) (((ucontext_t*)(ctx))->sc_rbx)
#define UCONTEXT_REG_RCX(ctx) (((ucontext_t*)(ctx))->sc_rcx)
#define UCONTEXT_REG_RDX(ctx) (((ucontext_t*)(ctx))->sc_rdx)
#define UCONTEXT_REG_RBP(ctx) (((ucontext_t*)(ctx))->sc_rbp)
#define UCONTEXT_REG_RSP(ctx) (((ucontext_t*)(ctx))->sc_rsp)
#define UCONTEXT_REG_RSI(ctx) (((ucontext_t*)(ctx))->sc_rsi)
#define UCONTEXT_REG_RDI(ctx) (((ucontext_t*)(ctx))->sc_rdi)
#define UCONTEXT_REG_RIP(ctx) (((ucontext_t*)(ctx))->sc_rip)
#define UCONTEXT_REG_R8(ctx) (((ucontext_t*)(ctx))->sc_r8)
#define UCONTEXT_REG_R9(ctx) (((ucontext_t*)(ctx))->sc_r9)
#define UCONTEXT_REG_R10(ctx) (((ucontext_t*)(ctx))->sc_r10)
#define UCONTEXT_REG_R11(ctx) (((ucontext_t*)(ctx))->sc_r11)
#define UCONTEXT_REG_R12(ctx) (((ucontext_t*)(ctx))->sc_r12)
#define UCONTEXT_REG_R13(ctx) (((ucontext_t*)(ctx))->sc_r13)
#define UCONTEXT_REG_R14(ctx) (((ucontext_t*)(ctx))->sc_r14)
#define UCONTEXT_REG_R15(ctx) (((ucontext_t*)(ctx))->sc_r15)
#else
#define UCONTEXT_GREGS(ctx) ((guint64*)&(((ucontext_t*)(ctx))->uc_mcontext.gregs))
#endif
#ifdef UCONTEXT_GREGS
#define UCONTEXT_REG_RAX(ctx) (UCONTEXT_GREGS ((ctx)) [REG_RAX])
#define UCONTEXT_REG_RBX(ctx) (UCONTEXT_GREGS ((ctx)) [REG_RBX])
#define UCONTEXT_REG_RCX(ctx) (UCONTEXT_GREGS ((ctx)) [REG_RCX])
#define UCONTEXT_REG_RDX(ctx) (UCONTEXT_GREGS ((ctx)) [REG_RDX])
#define UCONTEXT_REG_RBP(ctx) (UCONTEXT_GREGS ((ctx)) [REG_RBP])
#define UCONTEXT_REG_RSP(ctx) (UCONTEXT_GREGS ((ctx)) [REG_RSP])
#define UCONTEXT_REG_RSI(ctx) (UCONTEXT_GREGS ((ctx)) [REG_RSI])
#define UCONTEXT_REG_RDI(ctx) (UCONTEXT_GREGS ((ctx)) [REG_RDI])
#define UCONTEXT_REG_RIP(ctx) (UCONTEXT_GREGS ((ctx)) [REG_RIP])
#define UCONTEXT_REG_R8(ctx) (UCONTEXT_GREGS ((ctx)) [REG_R8])
#define UCONTEXT_REG_R9(ctx) (UCONTEXT_GREGS ((ctx)) [REG_R9])
#define UCONTEXT_REG_R10(ctx) (UCONTEXT_GREGS ((ctx)) [REG_R10])
#define UCONTEXT_REG_R11(ctx) (UCONTEXT_GREGS ((ctx)) [REG_R11])
#define UCONTEXT_REG_R12(ctx) (UCONTEXT_GREGS ((ctx)) [REG_R12])
#define UCONTEXT_REG_R13(ctx) (UCONTEXT_GREGS ((ctx)) [REG_R13])
#define UCONTEXT_REG_R14(ctx) (UCONTEXT_GREGS ((ctx)) [REG_R14])
#define UCONTEXT_REG_R15(ctx) (UCONTEXT_GREGS ((ctx)) [REG_R15])
#endif
#elif defined(__mono_ppc__)
#if HAVE_UCONTEXT_H
#include <ucontext.h>
#endif
#if defined(__linux__)
typedef struct ucontext os_ucontext;
#ifdef __mono_ppc64__
#define UCONTEXT_REG_Rn(ctx, n) (((os_ucontext*)(ctx))->uc_mcontext.gp_regs [(n)])
#define UCONTEXT_REG_FPRn(ctx, n) (((os_ucontext*)(ctx))->uc_mcontext.fp_regs [(n)])
#define UCONTEXT_REG_NIP(ctx) (((os_ucontext*)(ctx))->uc_mcontext.gp_regs [PT_NIP])
#define UCONTEXT_REG_LNK(ctx) (((os_ucontext*)(ctx))->uc_mcontext.gp_regs [PT_LNK])
#else
#define UCONTEXT_REG_Rn(ctx, n) (((os_ucontext*)(ctx))->uc_mcontext.uc_regs->gregs [(n)])
#define UCONTEXT_REG_FPRn(ctx, n) (((os_ucontext*)(ctx))->uc_mcontext.uc_regs->fpregs.fpregs [(n)])
#define UCONTEXT_REG_NIP(ctx) (((os_ucontext*)(ctx))->uc_mcontext.uc_regs->gregs [PT_NIP])
#define UCONTEXT_REG_LNK(ctx) (((os_ucontext*)(ctx))->uc_mcontext.uc_regs->gregs [PT_LNK])
#endif
#elif defined (__APPLE__) && defined (_STRUCT_MCONTEXT)
typedef struct __darwin_ucontext os_ucontext;
#define UCONTEXT_REG_Rn(ctx, n) ((&((os_ucontext*)(ctx))->uc_mcontext->__ss.__r0) [(n)])
#define UCONTEXT_REG_FPRn(ctx, n) (((os_ucontext*)(ctx))->uc_mcontext->__fs.__fpregs [(n)])
#define UCONTEXT_REG_NIP(ctx) (((os_ucontext*)(ctx))->uc_mcontext->__ss.__srr0)
#define UCONTEXT_REG_LNK(ctx) (((os_ucontext*)(ctx))->uc_mcontext->__ss.__lr)
#elif defined (__APPLE__) && !defined (_STRUCT_MCONTEXT)
typedef struct ucontext os_ucontext;
#define UCONTEXT_REG_Rn(ctx, n) ((&((os_ucontext*)(ctx))->uc_mcontext->ss.r0) [(n)])
#define UCONTEXT_REG_FPRn(ctx, n) (((os_ucontext*)(ctx))->uc_mcontext->fs.fpregs [(n)])
#define UCONTEXT_REG_NIP(ctx) (((os_ucontext*)(ctx))->uc_mcontext->ss.srr0)
#define UCONTEXT_REG_LNK(ctx) (((os_ucontext*)(ctx))->uc_mcontext->ss.lr)
#elif defined(__NetBSD__)
typedef ucontext_t os_ucontext;
#define UCONTEXT_REG_Rn(ctx, n) (((os_ucontext*)(ctx))->uc_mcontext.__gregs [(n)])
#define UCONTEXT_REG_FPRn(ctx, n) (((os_ucontext*)(ctx))->uc_mcontext.__fpregs.__fpu_regs [(n)])
#define UCONTEXT_REG_NIP(ctx) _UC_MACHINE_PC(ctx)
#define UCONTEXT_REG_LNK(ctx) (((os_ucontext*)(ctx))->uc_mcontext.__gregs [_REG_LR])
#elif defined(__FreeBSD__)
typedef ucontext_t os_ucontext;
#define UCONTEXT_REG_Rn(ctx, n) ((ctx)->uc_mcontext.mc_gpr [(n)])
#define UCONTEXT_REG_FPRn(ctx, n) ((ctx)->uc_mcontext.mc_fpreg [(n)])
#define UCONTEXT_REG_NIP(ctx) ((ctx)->uc_mcontext.mc_srr0)
#define UCONTEXT_REG_LNK(ctx) ((ctx)->uc_mcontext.mc_lr)
#endif
#elif defined(__arm__)
#if defined(__APPLE__)
typedef ucontext_t arm_ucontext;
#define UCONTEXT_REG_PC(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__pc)
#define UCONTEXT_REG_SP(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__sp)
#define UCONTEXT_REG_LR(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__lr)
#define UCONTEXT_REG_R0(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r[0])
#define UCONTEXT_REG_R1(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r[1])
#define UCONTEXT_REG_R2(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r[2])
#define UCONTEXT_REG_R3(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r[3])
#define UCONTEXT_REG_R4(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r[4])
#define UCONTEXT_REG_R5(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r[5])
#define UCONTEXT_REG_R6(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r[6])
#define UCONTEXT_REG_R7(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r[7])
#define UCONTEXT_REG_R8(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r[8])
#define UCONTEXT_REG_R9(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r[9])
#define UCONTEXT_REG_R10(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r[10])
#define UCONTEXT_REG_R11(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r[11])
#define UCONTEXT_REG_R12(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__r[12])
#define UCONTEXT_REG_CPSR(ctx) (((ucontext_t*)(ctx))->uc_mcontext->__ss.__cpsr)
#elif defined(__linux__)
typedef struct arm_ucontext {
unsigned long uc_flags;
struct arm_ucontext *uc_link;
struct {
void *p;
int flags;
size_t size;
} sstack_data;
struct sigcontext sig_ctx;
/* some 2.6.x kernel has fp data here after a few other fields
* we don't use them for now...
*/
} arm_ucontext;
#define UCONTEXT_REG_PC(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_pc)
#define UCONTEXT_REG_SP(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_sp)
#define UCONTEXT_REG_LR(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_lr)
#define UCONTEXT_REG_R0(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_r0)
#define UCONTEXT_REG_R1(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_r1)
#define UCONTEXT_REG_R2(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_r2)
#define UCONTEXT_REG_R3(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_r3)
#define UCONTEXT_REG_R4(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_r4)
#define UCONTEXT_REG_R5(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_r5)
#define UCONTEXT_REG_R6(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_r6)
#define UCONTEXT_REG_R7(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_r7)
#define UCONTEXT_REG_R8(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_r8)
#define UCONTEXT_REG_R9(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_r9)
#define UCONTEXT_REG_R10(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_r10)
#define UCONTEXT_REG_R11(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_fp)
#define UCONTEXT_REG_R12(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_ip)
#define UCONTEXT_REG_CPSR(ctx) (((arm_ucontext*)(ctx))->sig_ctx.arm_cpsr)
#endif
#elif defined(__s390x__)
# if HAVE_UCONTEXT_H
# include <ucontext.h>
# endif
# define UCONTEXT_GREGS(ctx) (((ucontext_t *)(ctx))->uc_mcontext.gregs)
#endif
#endif
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