From: Warner Losh <i...@bsdimp.com> 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 <i...@bsdimp.com> Reviewed-by: Richard Henderson <richard.hender...@linaro.org> --- bsd-user/elfload.c | 81 +------------------------------ bsd-user/i386/target_arch_elf.h | 81 +++++++++++++++++++++++++++++++ bsd-user/x86_64/target_arch_elf.h | 67 +++++++++++++++++++++++++ slirp | 2 +- 4 files changed, 151 insertions(+), 80 deletions(-) create mode 100644 bsd-user/i386/target_arch_elf.h create mode 100644 bsd-user/x86_64/target_arch_elf.h diff --git a/bsd-user/elfload.c b/bsd-user/elfload.c index fffa24f041..639673f5b7 100644 --- a/bsd-user/elfload.c +++ b/bsd-user/elfload.c @@ -23,6 +23,8 @@ #include "disas/disas.h" #include "qemu/path.h" +#include "target_arch_elf.h" + /* from personality.h */ /* @@ -93,85 +95,6 @@ enum { #define ELIBBAD 80 #endif -#ifdef TARGET_I386 - -#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]; -} - -#ifdef TARGET_X86_64 -#define ELF_START_MMAP 0x2aaaaab000ULL -#define elf_check_arch(x) (((x) == ELF_ARCH)) - -#define ELF_CLASS ELFCLASS64 -#define ELF_DATA ELFDATA2LSB -#define ELF_ARCH EM_X86_64 - -static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) -{ - regs->rax = 0; - regs->rsp = infop->start_stack; - regs->rip = infop->entry; - if (bsd_type == target_freebsd) { - regs->rdi = infop->start_stack; - } -} - -#else /* !TARGET_X86_64 */ - -#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; -} -#endif /* !TARGET_X86_64 */ - -#define USE_ELF_CORE_DUMP -#define ELF_EXEC_PAGESIZE 4096 - -#endif - #ifndef ELF_PLATFORM #define ELF_PLATFORM (NULL) #endif diff --git a/bsd-user/i386/target_arch_elf.h b/bsd-user/i386/target_arch_elf.h new file mode 100644 index 0000000000..84f61bd930 --- /dev/null +++ b/bsd-user/i386/target_arch_elf.h @@ -0,0 +1,81 @@ +/* + * 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_ */ diff --git a/bsd-user/x86_64/target_arch_elf.h b/bsd-user/x86_64/target_arch_elf.h new file mode 100644 index 0000000000..e7c8aa2755 --- /dev/null +++ b/bsd-user/x86_64/target_arch_elf.h @@ -0,0 +1,67 @@ +/* + * x86_64 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 0x2aaaaab000ULL +#define elf_check_arch(x) (((x) == ELF_ARCH)) + +#define ELF_CLASS ELFCLASS64 +#define ELF_DATA ELFDATA2LSB +#define ELF_ARCH EM_X86_64 + +static inline void init_thread(struct target_pt_regs *regs, + struct image_info *infop) +{ + regs->rax = 0; + regs->rsp = infop->start_stack; + regs->rip = infop->entry; + if (bsd_type == target_freebsd) { + regs->rdi = infop->start_stack; + } +} + +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE 4096 + +#endif /* _TARGET_ARCH_ELF_H_ */ diff --git a/slirp b/slirp index a88d9ace23..8f43a99191 160000 --- a/slirp +++ b/slirp @@ -1 +1 @@ -Subproject commit a88d9ace234a24ce1c17189642ef9104799425e0 +Subproject commit 8f43a99191afb47ca3f3c6972f6306209f367ece -- 2.32.0