The Tor Browser: security/sandbox/linux/android_i386

     1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.

     2 // Use of this source code is governed by a BSD-style license that can be

     3 // found in the LICENSE file.

     5 /* This file has been imported from

     6  * http://git.chromium.org/gitweb/?p=chromium.git;a=blob;f=sandbox/linux/services/android_i386_ucontext.h;hb=99b3e83972e478a42fa72da1ffefee58413e87d4

     7  */

     9 #ifndef SANDBOX_LINUX_SERVICES_ANDROID_I386_UCONTEXT_H_

    10 #define SANDBOX_LINUX_SERVICES_ANDROID_I386_UCONTEXT_H_

    12 // We do something compatible with glibc. Hopefully, at some point Android will

    13 // provide that for us, and __BIONIC_HAVE_UCONTEXT_T should be defined.

    14 // This is mostly copied from breakpad (common/android/include/sys/ucontext.h),

    15 // except we do use sigset_t for uc_sigmask instead of a custom type.

    17 #if !defined(__BIONIC_HAVE_UCONTEXT_T)

    18 #include <asm/sigcontext.h>

    20 /* 80-bit floating-point register */

    21 struct _libc_fpreg {

    22   unsigned short significand[4];

    23   unsigned short exponent;

    24 };

    26 /* Simple floating-point state, see FNSTENV instruction */

    27 struct _libc_fpstate {

    28   unsigned long cw;

    29   unsigned long sw;

    30   unsigned long tag;

    31   unsigned long ipoff;

    32   unsigned long cssel;

    33   unsigned long dataoff;

    34   unsigned long datasel;

    35   struct _libc_fpreg _st[8];

    36   unsigned long status;

    37 };

    39 typedef uint32_t greg_t;

    41 typedef struct {

    42   uint32_t gregs[19];

    43   struct _libc_fpstate* fpregs;

    44   uint32_t oldmask;

    45   uint32_t cr2;

    46 } mcontext_t;

    48 enum {

    49   REG_GS = 0,

    50   REG_FS,

    51   REG_ES,

    52   REG_DS,

    53   REG_EDI,

    54   REG_ESI,

    55   REG_EBP,

    56   REG_ESP,

    57   REG_EBX,

    58   REG_EDX,

    59   REG_ECX,

    60   REG_EAX,

    61   REG_TRAPNO,

    62   REG_ERR,

    63   REG_EIP,

    64   REG_CS,

    65   REG_EFL,

    66   REG_UESP,

    67   REG_SS,

    68 };

    70 typedef struct ucontext {

    71   uint32_t uc_flags;

    72   struct ucontext* uc_link;

    73   stack_t uc_stack;

    74   mcontext_t uc_mcontext;

    75   sigset_t uc_sigmask;

    76   struct _libc_fpstate __fpregs_mem;

    77 } ucontext_t;

    79 #else

    80 #include <sys/ucontext.h>

    81 #endif  // __BIONIC_HAVE_UCONTEXT_T

    83 #endif  // SANDBOX_LINUX_SERVICES_ANDROID_I386_UCONTEXT_H_

The Tor Browser / file revision

security/sandbox/linux/android_i386_ucontext.h@141e0f1194b1

security/sandbox/linux/android_i386_ucontext.h