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Last change
on this file since 1241 was 1241, checked in by bird, 22 years ago |
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early coding.
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-
Property cvs2svn:cvs-rev
set to
1.1
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Property svn:eol-style
set to
native
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Property svn:executable
set to
*
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Property svn:keywords
set to
Author Date Id Revision
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File size:
2.6 KB
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| 1 | .file "weak4-2.s"
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| 2 |
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| 3 |
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| 4 | .text
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| 5 |
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| 6 | .align 4,0xcc
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| 7 | nop
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| 8 | int $41
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| 9 | nop
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| 10 | .align 3,0xcc
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| 11 | .globl _check_weaktext
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| 12 | /*
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| 13 | * Check up weak text.
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| 14 | */
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| 15 | _check_weaktext:
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| 16 | xorl %eax, %eax
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| 17 | inc %eax /* eax = non-zero */
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| 18 | call _weaktext+6
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| 19 | orl %eax, %eax
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| 20 | jnz failure
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| 21 |
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| 22 | inc %eax /* eax = non-zero */
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| 23 | leal _weaktext+6, %ecx
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| 24 | call *%ecx
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| 25 | orl %eax, %eax
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| 26 | jnz failure
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| 27 | jmp done
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| 28 |
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| 29 |
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| 30 | .align 3,0xcc
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| 31 | .globl _check_weakdata
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| 32 | /*
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| 33 | * Check up weak data.
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| 34 | */
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| 35 | _check_weakdata:
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| 36 | movl _weakdata+12, %eax
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| 37 | cmpl $3, %eax
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| 38 | jnz failure
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| 39 |
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| 40 | lea _weakdata+20, %eax
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| 41 | movl (%eax), %eax
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| 42 | cmpl $5, %eax
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| 43 | jnz failure
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| 44 | jmp done
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| 45 |
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| 46 | .align 3,0xcc
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| 47 | .globl _check_weakbss
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| 48 | /*
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| 49 | * Check up weak bss.
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| 50 | */
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| 51 | _check_weakbss:
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| 52 | movl _weakbss+12, %eax
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| 53 | cmpl $3, %eax
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| 54 | jnz failure
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| 55 |
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| 56 | lea _weakbss+20, %eax
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| 57 | movl (%eax), %eax
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| 58 | cmpl $5, %eax
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| 59 | jnz failure
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| 60 | jmp done
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| 61 |
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| 62 | .align 3,0xcc
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| 63 | .globl _check_weakundef
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| 64 | /*
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| 65 | * Check up weak undef (in main).
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| 66 | */
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| 67 | _check_weakundef:
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| 68 | .weak _weakundef
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| 69 | movl _weakundef+12, %eax
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| 70 | cmpl $3, %eax
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| 71 | jnz failure
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| 72 |
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| 73 | lea _weakundef+20, %eax
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| 74 | movl (%eax), %eax
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| 75 | cmpl $5, %eax
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| 76 | jnz failure
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| 77 | jmp done
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| 78 |
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| 79 | .align 3,0xcc
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| 80 | .globl _check_weakabs
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| 81 | /*
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| 82 | * Check up weak abs (=0xdead)
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| 83 | */
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| 84 | _check_weakabs:
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| 85 | leal _weakabs, %eax
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| 86 | cmpl $0xdead, %eax
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| 87 | jnz failure
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| 88 |
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| 89 | leal _weakabs+2, %eax
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| 90 | cmpl $0xdeaf, %eax
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| 91 | jnz failure
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| 92 | jmp done
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| 93 |
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| 94 | done:
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| 95 | xorl %eax, %eax
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| 96 | ret
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| 97 | failure:
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| 98 | movl $1, %eax
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| 99 | ret
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| 100 |
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| 101 | /*
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| 102 | * Weak text.
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| 103 | */
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| 104 | .align 4,0xcc
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| 105 | nop
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| 106 | int $42
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| 107 | nop
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| 108 | .align 3,0xcc
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| 109 | .weak _weaktext
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| 110 | _weaktext:
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| 111 | int $3 /* 0 */
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| 112 | int $3 /* 1 */
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| 113 | int $3 /* 2 */
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| 114 | int $3 /* 3 */
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| 115 | int $3 /* 4 */
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| 116 | int $3 /* 5 */
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| 117 | xorl %eax, %eax /* 6 */
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| 118 | ret
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| 119 | int $3 /* 7 */
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| 120 | int $3 /* 8 */
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| 121 | int $3 /* 9 */
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| 122 |
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| 123 |
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| 124 | /*
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| 125 | * Weak data.
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| 126 | */
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| 127 | .data
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| 128 | .weak _weakdata
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| 129 | _weakdata:
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| 130 | .long 0
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| 131 | .long 1
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| 132 | .long 2
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| 133 | .long 3
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| 134 | .long 4
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| 135 | .long 5
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| 136 | .long 6
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| 137 | .long 7
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| 138 |
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| 139 |
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| 140 | /*
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| 141 | * Weak bss (initiated by main()).
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| 142 | */
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| 143 | .bss
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| 144 | .weak _weakbss
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| 145 | _weakbss:
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| 146 | .space 40
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| 147 |
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| 148 |
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| 149 | /*
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| 150 | * Weak abs
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| 151 | */
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| 152 | .weak _weakabs
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| 153 | .equ _weakabs, 0xdead
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| 154 |
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