169 lines
3.9 KiB
C
169 lines
3.9 KiB
C
/* Unwinder test program.
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Copyright (C) 2003-2022 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifdef SYMBOL_PREFIX
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#define SYMBOL(str) SYMBOL_PREFIX #str
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#else
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#define SYMBOL(str) #str
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#endif
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void gdb1253 (void);
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void gdb1718 (void);
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void gdb1338 (void);
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void jump_at_beginning (void);
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void standard (void);
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void stack_align_ecx (void);
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void stack_align_edx (void);
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void stack_align_eax (void);
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int
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main (void)
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{
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standard ();
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stack_align_ecx ();
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stack_align_edx ();
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stack_align_eax ();
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gdb1253 ();
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gdb1718 ();
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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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/* A normal prologue. */
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asm(".text\n"
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" .align 8\n"
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SYMBOL (standard) ":\n"
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" pushl %ebp\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 symtab/1253. */
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asm(".text\n"
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" .align 8\n"
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SYMBOL (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/1718. */
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asm(".text\n"
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" .align 8\n"
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SYMBOL (gdb1718) ":\n"
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" pushl %ebp\n"
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" movl $0x11111111, %eax\n"
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" movl %esp, %ebp\n"
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" pushl %esi\n"
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" movl $0x22222222, %esi\n"
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" pushl %ebx\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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SYMBOL (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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SYMBOL (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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asm(".text\n"
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" .align 8\n"
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SYMBOL (stack_align_ecx) ":\n"
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" leal 4(%esp), %ecx\n"
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" andl $-16, %esp\n"
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" pushl -4(%ecx)\n"
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" pushl %ebp\n"
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" movl %esp, %ebp\n"
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" pushl %edi\n"
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" pushl %ecx\n"
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" int $0x03\n"
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" popl %ecx\n"
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" popl %edi\n"
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" popl %ebp\n"
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" leal -4(%ecx), %esp\n"
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" ret\n");
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asm(".text\n"
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" .align 8\n"
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SYMBOL (stack_align_edx) ":\n"
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" leal 4(%esp), %edx\n"
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" andl $-16, %esp\n"
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" pushl -4(%edx)\n"
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" pushl %ebp\n"
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" movl %esp, %ebp\n"
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" pushl %edi\n"
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" pushl %ecx\n"
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" int $0x03\n"
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" popl %ecx\n"
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" popl %edi\n"
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" popl %ebp\n"
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" leal -4(%edx), %esp\n"
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" ret\n");
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asm(".text\n"
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" .align 8\n"
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SYMBOL (stack_align_eax) ":\n"
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" leal 4(%esp), %eax\n"
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" andl $-16, %esp\n"
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" pushl -4(%eax)\n"
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" pushl %ebp\n"
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" movl %esp, %ebp\n"
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" pushl %edi\n"
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" pushl %ecx\n"
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" int $0x03\n"
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" popl %ecx\n"
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" popl %edi\n"
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" popl %ebp\n"
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" leal -4(%eax), %esp\n"
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" ret\n");
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