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/*
* i386 ELF definitions
*
* Copyright (c) 2013 Stacey D. Son
*
* 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 2 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/>.
*/
#ifndef _TARGET_ARCH_ELF_H_
#define _TARGET_ARCH_ELF_H_
#define ELF_PLATFORM get_elf_platform()
static const char *get_elf_platform(void)
{
static char elf_platform[] = "i386";
int family = object_property_get_int(OBJECT(thread_cpu), "family", NULL);
if (family > 6) {
family = 6;
}
if (family >= 3) {
elf_platform[1] = '0' + family;
}
return elf_platform;
}
#define ELF_HWCAP get_elf_hwcap()
static uint32_t get_elf_hwcap(void)
{
X86CPU *cpu = X86_CPU(thread_cpu);
return cpu->env.features[FEAT_1_EDX];
}
#define ELF_START_MMAP 0x80000000
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
#define elf_check_arch(x) (((x) == EM_386) || ((x) == EM_486))
/*
* These are used to set parameters in the core dumps.
*/
#define ELF_CLASS ELFCLASS32
#define ELF_DATA ELFDATA2LSB
#define ELF_ARCH EM_386
static inline void init_thread(struct target_pt_regs *regs,
struct image_info *infop)
{
regs->esp = infop->start_stack;
regs->eip = infop->entry;
/*
* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program
* starts %edx contains a pointer to a function which might be
* registered using `atexit'. This provides a mean for the
* dynamic linker to call DT_FINI functions for shared libraries
* that have been loaded before the code runs.
*
* A value of 0 tells we have no such handler.
*/
regs->edx = 0;
}
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 4096
#endif /* _TARGET_ARCH_ELF_H_ */
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