diff options
Diffstat (limited to 'libc/sysdeps/linux/bfin/bsdsetjmp.c')
| -rw-r--r-- | libc/sysdeps/linux/bfin/bsdsetjmp.c | 189 |
1 files changed, 96 insertions, 93 deletions
diff --git a/libc/sysdeps/linux/bfin/bsdsetjmp.c b/libc/sysdeps/linux/bfin/bsdsetjmp.c index 87de78a4c..0a57d3440 100644 --- a/libc/sysdeps/linux/bfin/bsdsetjmp.c +++ b/libc/sysdeps/linux/bfin/bsdsetjmp.c @@ -1,100 +1,103 @@ -/* - * setjmp for the Blackfin project +/* setjmp for the Blackfin project * - * Copyright (C) 2003, Metrowerks + * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> + * Copyright (C) 2003 Metrowerks * Based on code from Analog Devices. * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License. See the file COPYING.LIB in the main - * directory of this archive for more details. - * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ + #include <setjmp.h> -int setjmp(jmp_buf env){ - __asm__ __volatile__("[--SP] = p0;\n\t" - "p0 = r0;\n\t" - "r0 = [SP++];\n\t" - - "[p0++] = r0;\n\t" /* GP address registers */ - "[p0++] = p1;\n\t" - "[p0++] = p2;\n\t" - "[p0++] = p3;\n\t" - "[p0++] = p4;\n\t" - "[p0++] = p5;\n\t" - - "[p0++] = FP;\n\t" /* frame pointer */ - "[p0++] = SP;\n\t" /* stack pointer */ - - "[p0++] = p0;\n\t" /* data regs */ - "[p0++] = r1;\n\t" - "[p0++] = r2;\n\t" - "[p0++] = r3;\n\t" - "[p0++] = r4;\n\t" - "[p0++] = r5;\n\t" - "[p0++] = r6;\n\t" - "[p0++] = r7;\n\t" - - "r0 = ASTAT;\n\t" - "[p0++] = r0;\n\t" - - "r0 = LC0;\n\t" /* loop counters */ - "[p0++] = r0;\n\t" - "r0 = LC1;\n\t" - "[p0++] = r0;\n\t" - - "r0 = A0.w;\n\t" - "[p0++] = r0;\n\t" - "r0.l = A0.x;\n\t" - "[p0++] = r0;\n\t" - "r0 = A1.w;\n\t" - "[p0++] = r0;\n\t" - "r0.l = A1.x;\n\t" - "[p0++] = r0;\n\t" - - /* Dag regs */ - "r0 = i0;\n\t" /* index registers */ - "[p0++] = r0;\n\t" - "r0 = i1;\n\t" - "[p0++] = r0;\n\t" - "r0 = i2;\n\t" - "[p0++] = r0;\n\t" - "r0 = i3;\n\t" - "[p0++] = r0;\n\t" - - "r0 = m0;\n\t" /* modifier registers */ - "[p0++] = r0;\n\t" - "r0 = m1;\n\t" - "[p0++] = r0;\n\t" - "r0 = m2;\n\t" - "[p0++] = r0;\n\t" - "r0 = m3;\n\t" - "[p0++] = r0;\n\t" - - "r0 = l0;\n\t" /* length registers */ - "[p0++] = r0;\n\t" - "r0 = l1;\n\t" - "[p0++] = r0;\n\t" - "r0 = l2;\n\t" - "[p0++] = r0;\n\t" - "r0 = l3;\n\t" - "[p0++] = r0;\n\t" - - "r0 = b0;\n\t" /* base registers */ - "[p0++] = r0;\n\t" - "r0 = b1;\n\t" - "[p0++] = r0;\n\t" - "r0 = b2;\n\t" - "[p0++] = r0;\n\t" - "r0 = b3;\n\t" - "[p0++] = r0;\n\t" - - "r0 = RETS;\n\t" /* store return address */ - "[p0++] = r0;\n\t" - - "r0 = 0;\n\t" - : - : - ); -return 0; +#undef setjmp + +int setjmp(jmp_buf env) +{ + __asm__ __volatile__( + "[--SP] = p0;\n\t" + "p0 = r0;\n\t" + "r0 = [SP++];\n\t" + + "[p0++] = r0;\n\t" /* GP address registers */ + "[p0++] = p1;\n\t" + "[p0++] = p2;\n\t" + "[p0++] = p3;\n\t" + "[p0++] = p4;\n\t" + "[p0++] = p5;\n\t" + + "[p0++] = FP;\n\t" /* frame pointer */ + "[p0++] = SP;\n\t" /* stack pointer */ + + "[p0++] = p0;\n\t" /* data regs */ + "[p0++] = r1;\n\t" + "[p0++] = r2;\n\t" + "[p0++] = r3;\n\t" + "[p0++] = r4;\n\t" + "[p0++] = r5;\n\t" + "[p0++] = r6;\n\t" + "[p0++] = r7;\n\t" + + "r0 = ASTAT;\n\t" + "[p0++] = r0;\n\t" + + "r0 = LC0;\n\t" /* loop counters */ + "[p0++] = r0;\n\t" + "r0 = LC1;\n\t" + "[p0++] = r0;\n\t" + + "r0 = A0.w;\n\t" + "[p0++] = r0;\n\t" + "r0.l = A0.x;\n\t" + "[p0++] = r0;\n\t" + "r0 = A1.w;\n\t" + "[p0++] = r0;\n\t" + "r0.l = A1.x;\n\t" + "[p0++] = r0;\n\t" + + /* Dag regs */ + "r0 = i0;\n\t" /* index registers */ + "[p0++] = r0;\n\t" + "r0 = i1;\n\t" + "[p0++] = r0;\n\t" + "r0 = i2;\n\t" + "[p0++] = r0;\n\t" + "r0 = i3;\n\t" + "[p0++] = r0;\n\t" + + "r0 = m0;\n\t" /* modifier registers */ + "[p0++] = r0;\n\t" + "r0 = m1;\n\t" + "[p0++] = r0;\n\t" + "r0 = m2;\n\t" + "[p0++] = r0;\n\t" + "r0 = m3;\n\t" + "[p0++] = r0;\n\t" + + "r0 = l0;\n\t" /* length registers */ + "[p0++] = r0;\n\t" + "r0 = l1;\n\t" + "[p0++] = r0;\n\t" + "r0 = l2;\n\t" + "[p0++] = r0;\n\t" + "r0 = l3;\n\t" + "[p0++] = r0;\n\t" + + "r0 = b0;\n\t" /* base registers */ + "[p0++] = r0;\n\t" + "r0 = b1;\n\t" + "[p0++] = r0;\n\t" + "r0 = b2;\n\t" + "[p0++] = r0;\n\t" + "r0 = b3;\n\t" + "[p0++] = r0;\n\t" + + "r0 = RETS;\n\t" /* store return address */ + "[p0++] = r0;\n\t" + + "r0 = 0;\n\t" + : + : + ); + + return 0; } |