mono/metadata/sgen-archdep.h

   1 /*
   2  * SGen is licensed under the terms of the MIT X11 license
   3  *
   4  * Copyright 2001-2003 Ximian, Inc
   5  * Copyright 2003-2010 Novell, Inc.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining
   8  * a copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sublicense, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be
  16  * included in all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  22  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26 #ifndef __MONO_SGENARCHDEP_H__
  27 #define __MONO_SGENARCHDEP_H__
  28
  29 #include <mono/utils/mono-sigcontext.h>
  30
  31 #ifdef __i386__
  32
  33 #define REDZONE_SIZE    0
  34
  35 #define ARCH_NUM_REGS 7         /* we're never storing ESP */
  36 #define ARCH_STORE_REGS(ptr)    \
  37         __asm__ __volatile__(   \
  38                 "mov %%ecx, 0x00(%0)\n" \
  39                 "mov %%edx, 0x04(%0)\n" \
  40                 "mov %%ebx, 0x08(%0)\n" \
  41                 "mov %%edi, 0x0c(%0)\n" \
  42                 "mov %%esi, 0x10(%0)\n" \
  43                 "mov %%ebp, 0x14(%0)\n" \
  44                 : "=&a" (ptr)   \
  45                 : "0" (cur_thread_regs) \
  46                 : "memory"      \
  47         )
  48 #define ARCH_SIGCTX_SP(ctx)     (UCONTEXT_REG_ESP ((ctx)))
  49 #define ARCH_SIGCTX_IP(ctx)     (UCONTEXT_REG_EIP ((ctx)))
  50 #define ARCH_COPY_SIGCTX_REGS(a,ctx) do {                       \
  51         (a)[0] = (gpointer) UCONTEXT_REG_EAX ((ctx));           \
  52         (a)[1] = (gpointer) UCONTEXT_REG_EBX ((ctx));           \
  53         (a)[2] = (gpointer) UCONTEXT_REG_ECX ((ctx));           \
  54         (a)[3] = (gpointer) UCONTEXT_REG_EDX ((ctx));           \
  55         (a)[4] = (gpointer) UCONTEXT_REG_ESI ((ctx));           \
  56         (a)[5] = (gpointer) UCONTEXT_REG_EDI ((ctx));           \
  57         (a)[6] = (gpointer) UCONTEXT_REG_EBP ((ctx));           \
  58         } while (0)
  59
  60 #elif defined(__x86_64__)
  61
  62 #define REDZONE_SIZE    128
  63
  64 #define ARCH_NUM_REGS 15        /* we're never storing RSP */
  65 #define ARCH_STORE_REGS(ptr)    \
  66         __asm__ __volatile__(   \
  67                 "movq %%rcx, 0x00(%0)\n"        \
  68                 "movq %%rdx, 0x08(%0)\n"        \
  69                 "movq %%rbx, 0x10(%0)\n"        \
  70                 "movq %%rdi, 0x18(%0)\n"        \
  71                 "movq %%rsi, 0x20(%0)\n"        \
  72                 "movq %%rbp, 0x28(%0)\n"        \
  73                 "movq %%r8, 0x30(%0)\n" \
  74                 "movq %%r9, 0x38(%0)\n" \
  75                 "movq %%r10, 0x40(%0)\n"        \
  76                 "movq %%r11, 0x48(%0)\n"        \
  77                 "movq %%r12, 0x50(%0)\n"        \
  78                 "movq %%r13, 0x58(%0)\n"        \
  79                 "movq %%r14, 0x60(%0)\n"        \
  80                 "movq %%r15, 0x68(%0)\n"        \
  81                 : "=&a" (ptr)   \
  82                 : "0" (cur_thread_regs) \
  83                 : "memory"      \
  84         )
  85 #define ARCH_SIGCTX_SP(ctx)     ((UCONTEXT_GREGS((ctx))) [REG_RSP])
  86 #define ARCH_SIGCTX_IP(ctx)     ((UCONTEXT_GREGS((ctx))) [REG_RIP])
  87 #define ARCH_COPY_SIGCTX_REGS(a,ctx) do {               \
  88         ((a)[0] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_RAX]);        \
  89         ((a)[1] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_RBX]);        \
  90         ((a)[2] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_RCX]);        \
  91         ((a)[3] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_RDX]);        \
  92         ((a)[4] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_RSI]);        \
  93         ((a)[5] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_RDI]);        \
  94         ((a)[6] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_RBP]);        \
  95         ((a)[7] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_R8]); \
  96         ((a)[8] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_R9]); \
  97         ((a)[9] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_R10]);        \
  98         ((a)[10] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_R11]);       \
  99         ((a)[11] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_R12]);       \
 100         ((a)[12] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_R13]);       \
 101         ((a)[13] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_R14]);       \
 102         ((a)[14] = (gpointer) (UCONTEXT_GREGS((ctx))) [REG_R15]);       \
 103         } while (0)
 104
 105 #elif defined(__ppc__)
 106
 107 #define REDZONE_SIZE    224
 108
 109 #define ARCH_NUM_REGS 32
 110 #define ARCH_STORE_REGS(ptr)    \
 111         __asm__ __volatile__(   \
 112                 "stmw r0, 0(%0)\n"      \
 113                 :                       \
 114                 : "b" (ptr)             \
 115         )
 116 #define ARCH_SIGCTX_SP(ctx)     (UCONTEXT_REG_Rn((ctx), 1))
 117 #define ARCH_SIGCTX_IP(ctx)     (UCONTEXT_REG_NIP((ctx)))
 118 #define ARCH_COPY_SIGCTX_REGS(a,ctx) do {       \
 119         int __i;        \
 120         for (__i = 0; __i < 32; ++__i)  \
 121                 ((a)[__i]) = UCONTEXT_REG_Rn((ctx), __i);       \
 122         } while (0)
 123
 124 #endif
 125
 126 #endif /* __MONO_SGENARCHDEP_H__ */