derek.holloway
7502bf64a4
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93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
/* Unwinder test program.
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Copyright 2006-2024 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 gdb2029 (void);
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void optimized_1 (void);
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int
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main (void)
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{
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gdb2029 ();
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optimized_1 ();
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return 0;
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}
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void
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optimized_1_marker (void)
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{
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}
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void
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gdb2029_marker (void)
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{
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}
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/* A typical PIC prologue from GCC. */
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/* This is a ppc64(le) variation of the code as seen
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in powerpc-prologue.c. */
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asm(".text\n"
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" .p2align 3\n"
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SYMBOL (gdb2029) ":\n"
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" mflr %r0\n"
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" std %r0,16(%r1)\n"
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" std %r31,-8(%r1)\n"
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" stdu %r1,-128(%r1)\n"
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" mr %r31,%r1\n"
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" mr %r9,%r3\n"
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" stw %r9,176(%r31)\n"
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" lwz %r9,176(%r31)\n"
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" bl gdb2029_marker\n"
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" nop\n"
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" mr %r9,%r3\n"
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" mr %r3,%r9\n"
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" addi %r1,%r31,128\n"
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" ld %r0,16(%r1)\n"
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" mtlr %r0\n"
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" ld %r31,-8(%r1)\n"
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" blr");
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/* A heavily scheduled prologue. */
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asm(".text\n"
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" .p2align 3\n"
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SYMBOL (optimized_1) ":\n"
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" stdu %r1,-32(%r1)\n"
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" lis %r9,-16342\n"
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" lis %r11,-16342\n"
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" mflr %r0\n"
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" addi %r11,%r11,3776\n"
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" std %r30,12(%r1)\n"
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" addi %r31,%r9,3152\n"
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" cmplw %cr7,%r31,%r11\n"
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" std %r0,36(%r1)\n"
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" mr %r30,%r3\n"
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" bl optimized_1_marker\n"
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" nop \n"
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" ld %r0,36(%r1)\n"
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" mtlr %r0\n"
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" ld %r30,12(%r1)\n"
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" addi %r1,%r1,32\n"
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" blr");
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