/thirdparty/breakpad/processor/stackwalker_selftest_sol.s

  1/* Copyright (c) 2007, Google Inc.
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  9 * notice, this list of conditions and the following disclaimer.
 10 *     * Redistributions in binary form must reproduce the above
 11 * copyright notice, this list of conditions and the following disclaimer
 12 * in the documentation and/or other materials provided with the
 13 * distribution.
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 15 * contributors may be used to endorse or promote products derived from
 16 * this software without specific prior written permission.
 17 *
 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 29 */
 30
 31/* stackwalker_selftest_sol.s
 32 * On Solaris, the recommeded compiler is CC, so we can not use gcc inline
 33 * asm, use this method instead.
 34 *
 35 * How to compile: as -P -L -D_ASM -D_STDC -K PIC -o \
 36 *                 src/processor/stackwalker_selftest_sol.o \
 37 *                 src/processor/stackwalker_selftest_sol.s
 38 *
 39 * Author: Michael Shang
 40 */
 41
 42#include <sys/asm_linkage.h>
 43
 44#if defined(__i386)
 45
 46
 47ENTRY(GetEBP) 
 48      pushl    %ebp
 49      movl     %esp,%ebp
 50      subl     $0x00000004,%esp
 51      movl     0x00000000(%ebp),%eax
 52      movl     %eax,0xfffffffc(%ebp)
 53      movl     0xfffffffc(%ebp),%eax
 54      leave    
 55      ret      
 56SET_SIZE(GetEBP)
 57
 58ENTRY(GetEIP) 
 59      pushl    %ebp
 60      movl     %esp,%ebp
 61      subl     $0x00000004,%esp
 62      movl     0x00000004(%ebp),%eax
 63      movl     %eax,0xfffffffc(%ebp)
 64      movl     0xfffffffc(%ebp),%eax
 65      leave    
 66      ret      
 67SET_SIZE(GetEIP)
 68
 69ENTRY(GetESP) 
 70      pushl    %ebp
 71      movl     %esp,%ebp
 72      subl     $0x00000004,%esp
 73      movl     %ebp,%eax
 74      movl     %eax,0xfffffffc(%ebp)
 75      movl     0xfffffffc(%ebp),%eax
 76      addl     $0x00000008,%eax
 77      leave    
 78      ret      
 79SET_SIZE(GetESP)
 80
 81
 82#elif defined(__sparc)
 83
 84
 85ENTRY(GetPC)
 86      save     %sp, -120, %sp
 87      mov      %i7, %i4
 88      inccc    8, %i4
 89      mov      %i4, %i0
 90      ret      
 91      restore  
 92SET_SIZE(GetPC)
 93
 94ENTRY(GetSP)
 95      save     %sp, -120, %sp
 96      mov      %fp, %i4
 97      mov      %i4, %i0
 98      ret      
 99      restore  
100SET_SIZE(GetSP)
101
102ENTRY(GetFP)
103      save     %sp, -120, %sp
104      ld       [%fp + 56], %g1
105      mov      %g1, %i0
106      ret      
107      restore  
108SET_SIZE(GetFP)
109
110
111#endif  // __i386 || __sparc