bsd-user: move arch specific defines out of elfload.c
Move the architecture specific defines to target_arch_elf.h and delete them from elfload.c. Only retain ifdefs appropriate for i386 and x86_64. Add the copyright/license comments, and guard ifdefs. Signed-off-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
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Warner Losh
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@ -23,6 +23,8 @@
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#include "disas/disas.h"
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#include "qemu/path.h"
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#include "target_arch_elf.h"
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/* from personality.h */
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/*
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@ -93,85 +95,6 @@ enum {
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#define ELIBBAD 80
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#endif
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#ifdef TARGET_I386
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#define ELF_PLATFORM get_elf_platform()
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static const char *get_elf_platform(void)
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{
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static char elf_platform[] = "i386";
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int family = object_property_get_int(OBJECT(thread_cpu), "family", NULL);
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if (family > 6)
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family = 6;
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if (family >= 3)
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elf_platform[1] = '0' + family;
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return elf_platform;
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}
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#define ELF_HWCAP get_elf_hwcap()
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static uint32_t get_elf_hwcap(void)
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{
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X86CPU *cpu = X86_CPU(thread_cpu);
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return cpu->env.features[FEAT_1_EDX];
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}
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#ifdef TARGET_X86_64
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#define ELF_START_MMAP 0x2aaaaab000ULL
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#define elf_check_arch(x) (((x) == ELF_ARCH))
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#define ELF_CLASS ELFCLASS64
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#define ELF_DATA ELFDATA2LSB
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#define ELF_ARCH EM_X86_64
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static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
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{
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regs->rax = 0;
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regs->rsp = infop->start_stack;
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regs->rip = infop->entry;
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if (bsd_type == target_freebsd) {
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regs->rdi = infop->start_stack;
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}
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}
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#else /* !TARGET_X86_64 */
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#define ELF_START_MMAP 0x80000000
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/*
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* This is used to ensure we don't load something for the wrong architecture.
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*/
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#define elf_check_arch(x) (((x) == EM_386) || ((x) == EM_486))
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/*
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* These are used to set parameters in the core dumps.
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*/
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#define ELF_CLASS ELFCLASS32
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#define ELF_DATA ELFDATA2LSB
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#define ELF_ARCH EM_386
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static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
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{
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regs->esp = infop->start_stack;
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regs->eip = infop->entry;
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/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program
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starts %edx contains a pointer to a function which might be
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registered using `atexit'. This provides a mean for the
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dynamic linker to call DT_FINI functions for shared libraries
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that have been loaded before the code runs.
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A value of 0 tells we have no such handler. */
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regs->edx = 0;
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}
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#endif /* !TARGET_X86_64 */
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#define USE_ELF_CORE_DUMP
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#define ELF_EXEC_PAGESIZE 4096
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#endif
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#ifndef ELF_PLATFORM
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#define ELF_PLATFORM (NULL)
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#endif
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81
bsd-user/i386/target_arch_elf.h
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81
bsd-user/i386/target_arch_elf.h
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@ -0,0 +1,81 @@
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/*
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* i386 ELF definitions
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*
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* Copyright (c) 2013 Stacey D. Son
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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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#ifndef _TARGET_ARCH_ELF_H_
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#define _TARGET_ARCH_ELF_H_
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#define ELF_PLATFORM get_elf_platform()
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static const char *get_elf_platform(void)
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{
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static char elf_platform[] = "i386";
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int family = object_property_get_int(OBJECT(thread_cpu), "family", NULL);
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if (family > 6) {
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family = 6;
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}
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if (family >= 3) {
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elf_platform[1] = '0' + family;
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}
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return elf_platform;
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}
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#define ELF_HWCAP get_elf_hwcap()
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static uint32_t get_elf_hwcap(void)
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{
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X86CPU *cpu = X86_CPU(thread_cpu);
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return cpu->env.features[FEAT_1_EDX];
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}
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#define ELF_START_MMAP 0x80000000
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/*
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* This is used to ensure we don't load something for the wrong architecture.
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*/
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#define elf_check_arch(x) (((x) == EM_386) || ((x) == EM_486))
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/*
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* These are used to set parameters in the core dumps.
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*/
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#define ELF_CLASS ELFCLASS32
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#define ELF_DATA ELFDATA2LSB
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#define ELF_ARCH EM_386
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static inline void init_thread(struct target_pt_regs *regs,
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struct image_info *infop)
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{
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regs->esp = infop->start_stack;
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regs->eip = infop->entry;
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/*
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* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program
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* starts %edx contains a pointer to a function which might be
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* registered using `atexit'. This provides a mean for the
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* dynamic linker to call DT_FINI functions for shared libraries
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* that have been loaded before the code runs.
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*
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* A value of 0 tells we have no such handler.
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*/
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regs->edx = 0;
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}
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#define USE_ELF_CORE_DUMP
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#define ELF_EXEC_PAGESIZE 4096
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#endif /* _TARGET_ARCH_ELF_H_ */
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67
bsd-user/x86_64/target_arch_elf.h
Normal file
67
bsd-user/x86_64/target_arch_elf.h
Normal file
@ -0,0 +1,67 @@
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/*
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* x86_64 ELF definitions
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*
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* Copyright (c) 2013 Stacey D. Son
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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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#ifndef _TARGET_ARCH_ELF_H_
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#define _TARGET_ARCH_ELF_H_
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#define ELF_PLATFORM get_elf_platform()
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static const char *get_elf_platform(void)
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{
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static char elf_platform[] = "i386";
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int family = object_property_get_int(OBJECT(thread_cpu), "family", NULL);
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if (family > 6) {
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family = 6;
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}
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if (family >= 3) {
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elf_platform[1] = '0' + family;
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}
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return elf_platform;
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}
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#define ELF_HWCAP get_elf_hwcap()
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static uint32_t get_elf_hwcap(void)
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{
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X86CPU *cpu = X86_CPU(thread_cpu);
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return cpu->env.features[FEAT_1_EDX];
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}
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#define ELF_START_MMAP 0x2aaaaab000ULL
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#define elf_check_arch(x) (((x) == ELF_ARCH))
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#define ELF_CLASS ELFCLASS64
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#define ELF_DATA ELFDATA2LSB
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#define ELF_ARCH EM_X86_64
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static inline void init_thread(struct target_pt_regs *regs,
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struct image_info *infop)
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{
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regs->rax = 0;
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regs->rsp = infop->start_stack;
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regs->rip = infop->entry;
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if (bsd_type == target_freebsd) {
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regs->rdi = infop->start_stack;
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}
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}
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#define USE_ELF_CORE_DUMP
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#define ELF_EXEC_PAGESIZE 4096
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#endif /* _TARGET_ARCH_ELF_H_ */
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