diff options
Diffstat (limited to '9/platforms/android-21/arch-mips/usr/include/sys/ucontext.h')
-rw-r--r-- | 9/platforms/android-21/arch-mips/usr/include/sys/ucontext.h | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/9/platforms/android-21/arch-mips/usr/include/sys/ucontext.h b/9/platforms/android-21/arch-mips/usr/include/sys/ucontext.h new file mode 100644 index 0000000..dd2a0bb --- /dev/null +++ b/9/platforms/android-21/arch-mips/usr/include/sys/ucontext.h @@ -0,0 +1,293 @@ +/* + * Copyright (C) 2014 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _SYS_UCONTEXT_H_ +#define _SYS_UCONTEXT_H_ + +#include <signal.h> +#include <sys/user.h> + +__BEGIN_DECLS + +#if defined(__arm__) + +enum { + REG_R0 = 0, + REG_R1, + REG_R2, + REG_R3, + REG_R4, + REG_R5, + REG_R6, + REG_R7, + REG_R8, + REG_R9, + REG_R10, + REG_R11, + REG_R12, + REG_R13, + REG_R14, + REG_R15, +}; + +#define NGREG 18 /* Like glibc. */ + +typedef int greg_t; +typedef greg_t gregset_t[NGREG]; + +#include <asm/sigcontext.h> +typedef struct sigcontext mcontext_t; + +typedef struct ucontext { + unsigned long uc_flags; + struct ucontext* uc_link; + stack_t uc_stack; + mcontext_t uc_mcontext; + sigset_t uc_sigmask; + // Android has a wrong (smaller) sigset_t on ARM. + uint32_t __padding_rt_sigset; + // The kernel adds extra padding after uc_sigmask to match glibc sigset_t on ARM. + char __padding[120]; + unsigned long uc_regspace[128] __attribute__((__aligned__(8))); +} ucontext_t; + +#elif defined(__aarch64__) + +#define NGREG 34 /* x0..x30 + sp + pc + pstate */ +typedef unsigned long greg_t; +typedef greg_t gregset_t[NGREG]; + +#include <asm/sigcontext.h> +typedef struct sigcontext mcontext_t; + +typedef struct ucontext { + unsigned long uc_flags; + struct ucontext *uc_link; + stack_t uc_stack; + sigset_t uc_sigmask; + // The kernel adds extra padding after uc_sigmask to match glibc sigset_t on ARM64. + char __padding[128 - sizeof(sigset_t)]; + mcontext_t uc_mcontext; +} ucontext_t; + +#elif defined(__i386__) + +enum { + REG_GS = 0, + REG_FS, + REG_ES, + REG_DS, + REG_EDI, + REG_ESI, + REG_EBP, + REG_ESP, + REG_EBX, + REG_EDX, + REG_ECX, + REG_EAX, + REG_TRAPNO, + REG_ERR, + REG_EIP, + REG_CS, + REG_EFL, + REG_UESP, + REG_SS, + NGREG +}; + +typedef int greg_t; +typedef greg_t gregset_t[NGREG]; + +struct _libc_fpreg { + unsigned short significand[4]; + unsigned short exponent; +}; + +struct _libc_fpstate { + unsigned long cw; + unsigned long sw; + unsigned long tag; + unsigned long ipoff; + unsigned long cssel; + unsigned long dataoff; + unsigned long datasel; + struct _libc_fpreg _st[8]; + unsigned long status; +}; + +typedef struct _libc_fpstate* fpregset_t; + +typedef struct { + gregset_t gregs; + fpregset_t fpregs; + unsigned long oldmask; + unsigned long cr2; +} mcontext_t; + +typedef struct ucontext { + unsigned long uc_flags; + struct ucontext* uc_link; + stack_t uc_stack; + mcontext_t uc_mcontext; + sigset_t uc_sigmask; + // Android has a wrong (smaller) sigset_t on x86. + uint32_t __padding_rt_sigset; + struct _libc_fpstate __fpregs_mem; +} ucontext_t; + +#elif defined(__mips__) + +/* glibc doesn't have names for MIPS registers. */ + +#define NGREG 32 +#define NFPREG 32 + +typedef unsigned long long greg_t; +typedef greg_t gregset_t[NGREG]; + +typedef struct fpregset { + union { + double fp_dregs[NFPREG]; + struct { + float _fp_fregs; + unsigned _fp_pad; + } fp_fregs[NFPREG]; + } fp_r; +} fpregset_t; + +typedef struct { + unsigned regmask; + unsigned status; + greg_t pc; + gregset_t gregs; + fpregset_t fpregs; + unsigned fp_owned; + unsigned fpc_csr; + unsigned fpc_eir; + unsigned used_math; + unsigned dsp; + greg_t mdhi; + greg_t mdlo; + unsigned long hi1; + unsigned long lo1; + unsigned long hi2; + unsigned long lo2; + unsigned long hi3; + unsigned long lo3; +} mcontext_t; + +typedef struct ucontext { + unsigned long uc_flags; + struct ucontext* uc_link; + stack_t uc_stack; + mcontext_t uc_mcontext; + sigset_t uc_sigmask; +} ucontext_t; + +#elif defined(__mips64__) + +#error TODO + +#elif defined(__x86_64__) + +enum { + REG_R8 = 0, + REG_R9, + REG_R10, + REG_R11, + REG_R12, + REG_R13, + REG_R14, + REG_R15, + REG_RDI, + REG_RSI, + REG_RBP, + REG_RBX, + REG_RDX, + REG_RAX, + REG_RCX, + REG_RSP, + REG_RIP, + REG_EFL, + REG_CSGSFS, + REG_ERR, + REG_TRAPNO, + REG_OLDMASK, + REG_CR2, + NGREG +}; + +typedef long greg_t; +typedef greg_t gregset_t[NGREG]; + +struct _libc_fpxreg { + unsigned short significand[4]; + unsigned short exponent; + unsigned short padding[3]; +}; + +struct _libc_xmmreg { + uint32_t element[4]; +}; + +struct _libc_fpstate { + uint16_t cwd; + uint16_t swd; + uint16_t ftw; + uint16_t fop; + uint64_t rip; + uint64_t rdp; + uint32_t mxcsr; + uint32_t mxcr_mask; + struct _libc_fpxreg _st[8]; + struct _libc_xmmreg _xmm[16]; + uint32_t padding[24]; +}; + +typedef struct _libc_fpstate* fpregset_t; + +typedef struct { + gregset_t gregs; + fpregset_t fpregs; + unsigned long __reserved1[8]; +} mcontext_t; + +typedef struct ucontext { + unsigned long uc_flags; + struct ucontext* uc_link; + stack_t uc_stack; + mcontext_t uc_mcontext; + sigset_t uc_sigmask; + struct _libc_fpstate __fpregs_mem; +} ucontext_t; + +#endif + +__END_DECLS + +#endif /* _SYS_UCONTEXT_H_ */ |