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/* Test program for byte registers.
Copyright 2010-2013 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <stdio.h>
int data[] = {
0x14131211,
0x24232221,
0x34333231,
0x44434241,
0x54535251,
0x64636261,
0x74737271,
0x84838281,
0x94939291,
0xa4a3a2a1,
0xb4b3b2b1,
0xc4c3c2c1,
0xd4d3d2d1,
0xe4e3e2e1,
};
int
main (int argc, char **argv)
{
asm ("mov 0(%0), %%eax\n\t"
"mov 4(%0), %%ebx\n\t"
"mov 8(%0), %%ecx\n\t"
"mov 12(%0), %%edx\n\t"
"mov 16(%0), %%esi\n\t"
"mov 20(%0), %%edi\n\t"
: /* no output operands */
: "r" (data)
: "eax", "ebx", "ecx", "edx", "esi", "edi");
asm ("nop"); /* first breakpoint here */
asm ("mov 24(%0), %%r8d\n\t"
"mov 28(%0), %%r9d\n\t"
"mov 32(%0), %%r10d\n\t"
"mov 36(%0), %%r11\n\t"
"mov 40(%0), %%r12d\n\t"
"mov 44(%0), %%r13d\n\t"
"mov 48(%0), %%r14d\n\t"
"mov 52(%0), %%r15d\n\t"
: /* no output operands */
: "r" (data)
: "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15");
asm ("nop"); /* second breakpoint here */
/* amd64-dword.exp writes eax-edi here.
Tell gcc they're clobbered so it doesn't try to keep "data" in
one of them. */
asm (""
: /* no outputs */
: /* no inputs */
: "eax", "ebx", "ecx", "edx", "esi", "edi");
asm ("mov %%eax, 0(%0)\n\t"
"mov %%ebx, 4(%0)\n\t"
"mov %%ecx, 8(%0)\n\t"
"mov %%edx, 12(%0)\n\t"
"mov %%esi, 16(%0)\n\t"
"mov %%edi, 20(%0)\n\t"
: /* no output operands */
: "r" (data)
: "eax", "ebx", "ecx", "edx", "esi", "edi");
asm ("nop"); /* third breakpoint here */
/* amd64-dword.exp writes r8-r15 here.
Tell gcc they're clobbered so it doesn't try to keep "data" in
one of them. */
asm (""
: /* no outputs */
: /* no inputs */
: "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15");
asm ("mov %%r8d, 24(%0)\n\t"
"mov %%r9d, 28(%0)\n\t"
"mov %%r10d, 32(%0)\n\t"
"mov %%r11d, 36(%0)\n\t"
"mov %%r12d, 40(%0)\n\t"
"mov %%r13d, 44(%0)\n\t"
"mov %%r14d, 48(%0)\n\t"
"mov %%r15d, 52(%0)\n\t"
: /* no output operands */
: "r" (data)
: "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15");
puts ("Bye!"); /* forth breakpoint here */
return 0;
}
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