diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/Kconfig.binfmt | 3 | ||||
| -rw-r--r-- | fs/binfmt_aout.c | 3 | ||||
| -rw-r--r-- | fs/binfmt_elf.c | 34 | ||||
| -rw-r--r-- | fs/exec.c | 2 |
4 files changed, 31 insertions, 11 deletions
diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt index 7c3d5f923da..b5c3b6114ad 100644 --- a/fs/Kconfig.binfmt +++ b/fs/Kconfig.binfmt @@ -61,7 +61,8 @@ config BINFMT_SHARED_FLAT config BINFMT_AOUT tristate "Kernel support for a.out and ECOFF binaries" - depends on X86_32 || ALPHA || ARM || M68K || SPARC32 + depends on ARCH_SUPPORTS_AOUT && \ + (X86_32 || ALPHA || ARM || M68K || SPARC32) ---help--- A.out (Assembler.OUTput) is a set of formats for libraries and executables used in the earliest versions of UNIX. Linux used diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c index 7f65e71bf85..a1bb2244cac 100644 --- a/fs/binfmt_aout.c +++ b/fs/binfmt_aout.c @@ -28,6 +28,7 @@ #include <asm/system.h> #include <asm/uaccess.h> #include <asm/cacheflush.h> +#include <asm/a.out-core.h> static int load_aout_binary(struct linux_binprm *, struct pt_regs * regs); static int load_aout_library(struct file*); @@ -118,7 +119,7 @@ static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, u dump.u_ar0 = offsetof(struct user, regs); #endif dump.signal = signr; - dump_thread(regs, &dump); + aout_dump_thread(regs, &dump); /* If the size of the dump file exceeds the rlimit, then see what would happen if we wrote the stack, but not the data area. */ diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 111771d38e6..a93b1170551 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -513,6 +513,7 @@ out: return error; } +#ifdef CONFIG_ARCH_SUPPORTS_AOUT static unsigned long load_aout_interp(struct exec *interp_ex, struct file *interpreter) { @@ -558,6 +559,14 @@ static unsigned long load_aout_interp(struct exec *interp_ex, out: return elf_entry; } +#else +/* dummy extern - the function should never be called if !CONFIG_AOUT_BINFMT */ +static inline unsigned long load_aout_interp(struct exec *interp_ex, + struct file *interpreter) +{ + return -ELIBACC; +} +#endif /* * These are the functions used to load ELF style executables and shared @@ -565,9 +574,15 @@ out: */ #define INTERPRETER_NONE 0 -#define INTERPRETER_AOUT 1 #define INTERPRETER_ELF 2 +#ifdef CONFIG_ARCH_SUPPORTS_AOUT +#define INTERPRETER_AOUT 1 +#define IS_AOUT_INTERP(x) ((x) == INTERPRETER_AOUT) +#else +#define IS_AOUT_INTERP(x) (0) +#endif + #ifndef STACK_RND_MASK #define STACK_RND_MASK (0x7ff >> (PAGE_SHIFT - 12)) /* 8MB of VA */ #endif @@ -775,6 +790,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) /* Some simple consistency checks for the interpreter */ if (elf_interpreter) { static int warn; +#ifdef CONFIG_ARCH_SUPPORTS_AOUT interpreter_type = INTERPRETER_ELF | INTERPRETER_AOUT; /* Now figure out which format our binary is */ @@ -782,11 +798,13 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) (N_MAGIC(loc->interp_ex) != ZMAGIC) && (N_MAGIC(loc->interp_ex) != QMAGIC)) interpreter_type = INTERPRETER_ELF; - +#else + interpreter_type = INTERPRETER_ELF; +#endif if (memcmp(loc->interp_elf_ex.e_ident, ELFMAG, SELFMAG) != 0) interpreter_type &= ~INTERPRETER_ELF; - if (interpreter_type == INTERPRETER_AOUT && warn < 10) { + if (IS_AOUT_INTERP(interpreter_type) && warn < 10) { printk(KERN_WARNING "a.out ELF interpreter %s is " "deprecated and will not be supported " "after Linux 2.6.25\n", elf_interpreter); @@ -815,7 +833,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) /* OK, we are done with that, now set up the arg stuff, and then start this sucker up */ - if ((!bprm->sh_bang) && (interpreter_type == INTERPRETER_AOUT)) { + if (IS_AOUT_INTERP(interpreter_type) && !bprm->sh_bang) { char *passed_p = passed_fileno; sprintf(passed_fileno, "%d", elf_exec_fileno); @@ -1004,7 +1022,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) } if (elf_interpreter) { - if (interpreter_type == INTERPRETER_AOUT) { + if (IS_AOUT_INTERP(interpreter_type)) { elf_entry = load_aout_interp(&loc->interp_ex, interpreter); } else { @@ -1045,7 +1063,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) kfree(elf_phdata); - if (interpreter_type != INTERPRETER_AOUT) + if (!IS_AOUT_INTERP(interpreter_type)) sys_close(elf_exec_fileno); set_binfmt(&elf_format); @@ -1061,14 +1079,14 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) compute_creds(bprm); current->flags &= ~PF_FORKNOEXEC; retval = create_elf_tables(bprm, &loc->elf_ex, - (interpreter_type == INTERPRETER_AOUT), + IS_AOUT_INTERP(interpreter_type), load_addr, interp_load_addr); if (retval < 0) { send_sig(SIGKILL, current, 0); goto out; } /* N.B. passed_fileno might not be initialized? */ - if (interpreter_type == INTERPRETER_AOUT) + if (IS_AOUT_INTERP(interpreter_type)) current->mm->arg_start += strlen(passed_fileno) + 1; current->mm->end_code = end_code; current->mm->start_code = start_code; diff --git a/fs/exec.c b/fs/exec.c index 927a7c5ef4a..9f9c27224d7 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1166,7 +1166,7 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) { int try,retval; struct linux_binfmt *fmt; -#ifdef __alpha__ +#if defined(__alpha__) && defined(CONFIG_ARCH_SUPPORTS_AOUT) /* handle /sbin/loader.. */ { struct exec * eh = (struct exec *) bprm->buf; |