171 lines
5.6 KiB
Diff
171 lines
5.6 KiB
Diff
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diff -urpN gnu-efi-3.0d/gnuefi/Makefile.setjmp gnu-efi-3.0d/gnuefi/Makefile
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--- gnu-efi-3.0d/gnuefi/Makefile.setjmp 2008-04-29 13:18:19.000000000 -0400
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+++ gnu-efi-3.0d/gnuefi/Makefile 2008-04-29 13:18:43.000000000 -0400
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@@ -23,7 +23,7 @@
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include ../Make.defaults
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CDIR=$(TOPDIR)/..
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-FILES = reloc_$(ARCH)
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+FILES = reloc_$(ARCH) setjmp_$(ARCH)
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OBJS = $(FILES:%=%.o)
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diff -urpN gnu-efi-3.0d/gnuefi/setjmp_ia32.S.setjmp gnu-efi-3.0d/gnuefi/setjmp_ia32.S
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--- gnu-efi-3.0d/gnuefi/setjmp_ia32.S.setjmp 2008-04-29 13:13:05.000000000 -0400
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+++ gnu-efi-3.0d/gnuefi/setjmp_ia32.S 2008-04-29 13:22:04.000000000 -0400
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@@ -0,0 +1,87 @@
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+/*
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+ * GRUB -- GRand Unified Bootloader
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+ * Copyright (C) 2000 Free Software Foundation, Inc.
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+ *
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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 2 of the License, or
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+ * (at your option) any later version.
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+ *
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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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+ *
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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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+ */
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+
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+/* This is stolen from libc/x86/setjmp.S in the OSKit */
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+/*
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+ * Mach Operating System
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+ * Copyright (c) 1991,1990,1989 Carnegie Mellon University
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+ * All Rights Reserved.
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+ *
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+ * Permission to use, copy, modify and distribute this software and its
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+ * documentation is hereby granted, provided that both the copyright
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+ * notice and this permission notice appear in all copies of the
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+ * software, derivative works or modified versions, and any portions
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+ * thereof, and that both notices appear in supporting documentation.
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+ *
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+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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+ * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
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+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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+ *
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+ * Carnegie Mellon requests users of this software to return to
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+ *
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+ * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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+ * School of Computer Science
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+ * Carnegie Mellon University
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+ * Pittsburgh PA 15213-3890
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+ *
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+ * any improvements or extensions that they make and grant Carnegie Mellon
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+ * the rights to redistribute these changes.
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+ */
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+/*
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+ * C library -- _setjmp, _longjmp
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+ *
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+ * _longjmp(a,v)
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+ * will generate a "return(v)" from
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+ * the last call to
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+ * _setjmp(a)
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+ * by restoring registers from the stack,
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+ * The previous signal state is NOT restored.
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+ *
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+ */
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+
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+#define EXT_C(sym) sym
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+#define FUNCTION(x) .globl EXT_C(x) ; .type EXT_C(x), "function" ; EXT_C(x):
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+
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+ .file "setjmp.S"
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+
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+ .text
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+
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+FUNCTION(setjmp)
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+ movl 4(%esp), %ecx /* fetch buffer */
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+ movl %ebx, 0(%ecx)
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+ movl %esi, 4(%ecx)
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+ movl %edi, 8(%ecx)
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+ movl %ebp, 12(%ecx) /* save frame pointer of caller */
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+ popl %edx
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+ movl %esp, 16(%ecx) /* save stack pointer of caller */
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+ movl %edx, 20(%ecx) /* save pc of caller */
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+ xorl %eax, %eax
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+ jmp *%edx
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+
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+FUNCTION(longjmp)
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+ movl 8(%esp), %eax /* return(v) */
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+ movl 4(%esp), %ecx /* fetch buffer */
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+ movl 0(%ecx), %ebx
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+ movl 4(%ecx), %esi
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+ movl 8(%ecx), %edi
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+ movl 12(%ecx), %ebp
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+ movl 16(%ecx), %esp
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+ orl %eax, %eax
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+ jnz 0f
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+ incl %eax
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+0: jmp *20(%ecx) /* done, return.... */
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diff -urpN gnu-efi-3.0d/gnuefi/setjmp_ia64.S.setjmp gnu-efi-3.0d/gnuefi/setjmp_ia64.S
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--- gnu-efi-3.0d/gnuefi/setjmp_ia64.S.setjmp 2008-04-29 13:19:34.000000000 -0400
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+++ gnu-efi-3.0d/gnuefi/setjmp_ia64.S 2008-04-29 13:19:44.000000000 -0400
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@@ -0,0 +1,2 @@
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+
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+#warning not implemented
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diff -urpN gnu-efi-3.0d/gnuefi/setjmp_x86_64.S.setjmp gnu-efi-3.0d/gnuefi/setjmp_x86_64.S
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--- gnu-efi-3.0d/gnuefi/setjmp_x86_64.S.setjmp 2008-04-29 13:18:12.000000000 -0400
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+++ gnu-efi-3.0d/gnuefi/setjmp_x86_64.S 2008-04-29 13:22:04.000000000 -0400
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@@ -0,0 +1,56 @@
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+/*
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+ * GRUB -- GRand Unified Bootloader
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+ * Copyright (C) 2003 Free Software Foundation, Inc.
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+ *
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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 2 of the License, or
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+ * (at your option) any later version.
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+ *
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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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+ *
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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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+ */
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+
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+#define EXT_C(sym) sym
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+#define FUNCTION(x) .globl EXT_C(x) ; .type EXT_C(x), "function" ; EXT_C(x):
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+
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+ .file "setjmp.S"
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+
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+ .text
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+
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+/*
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+ * int setjmp (jmp_buf env)
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+ */
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+FUNCTION(setjmp)
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+ pop %rsi /* Return address, and adjust the stack */
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+ xor %rax, %rax
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+ movq %rbx, 0(%rdi) /* RBX */
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+ movq %rsp, 8(%rdi) /* RSP */
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+ push %rsi
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+ movq %rbp, 16(%rdi) /* RBP */
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+ movq %r12, 24(%rdi) /* R12 */
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+ movq %r13, 32(%rdi) /* R13 */
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+ movq %r14, 40(%rdi) /* R14 */
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+ movq %r15, 48(%rdi) /* R15 */
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+ movq %rsi, 56(%rdi) /* RSI */
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+ ret
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+
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+/*
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+ * int longjmp (jmp_buf env, int val)
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+ */
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+FUNCTION(longjmp)
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+ movl %esi, %eax
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+ movq (%rdi), %rbx
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+ movq 8(%rdi), %rsp
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+ movq 16(%rdi), %rbp
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+ movq 24(%rdi), %r12
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+ movq 32(%rdi), %r13
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+ movq 40(%rdi), %r14
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+ movq 48(%rdi), %r15
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+ jmp *56(%rdi)
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+
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diff -urpN gnu-efi-3.0d/Make.rules.setjmp gnu-efi-3.0d/Make.rules
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