55 lines
1.1 KiB
C
55 lines
1.1 KiB
C
void gdb1253 (void);
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void gdb1338 (void);
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void jump_at_beginning (void);
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int
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main (void)
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{
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gdb1253 ();
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gdb1338 ();
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jump_at_beginning ();
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return 0;
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}
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/* Relevant part of the prologue from symtab/1253. */
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asm(".text\n"
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" .align 8\n"
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"gdb1253:\n"
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" pushl %ebp\n"
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" xorl %ecx, %ecx\n"
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" movl %esp, %ebp\n"
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" pushl %edi\n"
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" int $0x03\n"
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" leave\n"
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" ret\n");
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/* Relevant part of the prologue from backtrace/1338. */
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asm(".text\n"
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" .align 8\n"
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"gdb1338:\n"
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" pushl %edi\n"
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" pushl %esi\n"
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" pushl %ebx\n"
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" int $0x03\n"
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" popl %ebx\n"
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" popl %esi\n"
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" popl %edi\n"
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" ret\n");
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/* The purpose of this function is to verify that, during prologue
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skip, GDB does not follow a jump at the beginnning of the "real"
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code. */
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asm(".text\n"
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" .align 8\n"
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"jump_at_beginning:\n"
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" pushl %ebp\n"
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" movl %esp,%ebp\n"
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" jmp .gdbjump\n"
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" nop\n"
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".gdbjump:\n"
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" movl %ebp,%esp\n"
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" popl %ebp\n"
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" ret\n");
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