diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/binfmt_elf32.c | 67 | ||||
| -rw-r--r-- | arch/powerpc/kernel/process.c | 28 | ||||
| -rw-r--r-- | arch/powerpc/kernel/rtas_flash.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/sys_ppc32.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/syscalls.c | 1 |
5 files changed, 58 insertions, 42 deletions
diff --git a/arch/powerpc/kernel/binfmt_elf32.c b/arch/powerpc/kernel/binfmt_elf32.c index 5cb58757e1b..1d45d7782d4 100644 --- a/arch/powerpc/kernel/binfmt_elf32.c +++ b/arch/powerpc/kernel/binfmt_elf32.c @@ -13,49 +13,44 @@ * 2 of the License, or (at your option) any later version. */ -#define ELF_ARCH EM_PPC -#define ELF_CLASS ELFCLASS32 -#define ELF_DATA ELFDATA2MSB; - #include <asm/processor.h> #include <linux/module.h> -#include <linux/elfcore.h> #include <linux/compat.h> +#include <linux/elfcore-compat.h> + +#undef ELF_ARCH +#undef ELF_CLASS +#define ELF_CLASS ELFCLASS32 +#define ELF_ARCH EM_PPC + +#undef elfhdr +#undef elf_phdr +#undef elf_note +#undef elf_addr_t +#define elfhdr elf32_hdr +#define elf_phdr elf32_phdr +#define elf_note elf32_note +#define elf_addr_t Elf32_Off -#define elf_prstatus elf_prstatus32 -struct elf_prstatus32 +#define elf_prstatus compat_elf_prstatus +#define elf_prpsinfo compat_elf_prpsinfo + +#define elf_core_copy_regs compat_elf_core_copy_regs +static inline void compat_elf_core_copy_regs(compat_elf_gregset_t *elf_regs, + struct pt_regs *regs) { - struct elf_siginfo pr_info; /* Info associated with signal */ - short pr_cursig; /* Current signal */ - unsigned int pr_sigpend; /* Set of pending signals */ - unsigned int pr_sighold; /* Set of held signals */ - pid_t pr_pid; - pid_t pr_ppid; - pid_t pr_pgrp; - pid_t pr_sid; - struct compat_timeval pr_utime; /* User time */ - struct compat_timeval pr_stime; /* System time */ - struct compat_timeval pr_cutime; /* Cumulative user time */ - struct compat_timeval pr_cstime; /* Cumulative system time */ - elf_gregset_t pr_reg; /* General purpose registers. */ - int pr_fpvalid; /* True if math co-processor being used. */ -}; + PPC_ELF_CORE_COPY_REGS((*elf_regs), regs); +} -#define elf_prpsinfo elf_prpsinfo32 -struct elf_prpsinfo32 +#define elf_core_copy_task_regs compat_elf_core_copy_task_regs +static int compat_elf_core_copy_task_regs(struct task_struct *tsk, + compat_elf_gregset_t *elf_regs) { - char pr_state; /* numeric process state */ - char pr_sname; /* char for pr_state */ - char pr_zomb; /* zombie */ - char pr_nice; /* nice val */ - unsigned int pr_flag; /* flags */ - u32 pr_uid; - u32 pr_gid; - pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid; - /* Lots missing */ - char pr_fname[16]; /* filename of executable */ - char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */ -}; + struct pt_regs *regs = tsk->thread.regs; + if (regs) + compat_elf_core_copy_regs(elf_regs, regs); + return 1; +} #include <linux/time.h> diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 7949c203cb8..ea6ad7a2a7e 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -149,10 +149,32 @@ void flush_altivec_to_thread(struct task_struct *tsk) } } -int dump_task_altivec(struct pt_regs *regs, elf_vrregset_t *vrregs) +int dump_task_altivec(struct task_struct *tsk, elf_vrregset_t *vrregs) { - flush_altivec_to_thread(current); - memcpy(vrregs, ¤t->thread.vr[0], sizeof(*vrregs)); + /* ELF_NVRREG includes the VSCR and VRSAVE which we need to save + * separately, see below */ + const int nregs = ELF_NVRREG - 2; + elf_vrreg_t *reg; + u32 *dest; + + if (tsk == current) + flush_altivec_to_thread(tsk); + + reg = (elf_vrreg_t *)vrregs; + + /* copy the 32 vr registers */ + memcpy(reg, &tsk->thread.vr[0], nregs * sizeof(*reg)); + reg += nregs; + + /* copy the vscr */ + memcpy(reg, &tsk->thread.vscr, sizeof(*reg)); + reg++; + + /* vrsave is stored in the high 32bit slot of the final 128bits */ + memset(reg, 0, sizeof(*reg)); + dest = (u32 *)reg; + *dest = tsk->thread.vrsave; + return 1; } #endif /* CONFIG_ALTIVEC */ diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c index 62b7bf2f3ea..f2276593f41 100644 --- a/arch/powerpc/kernel/rtas_flash.c +++ b/arch/powerpc/kernel/rtas_flash.c @@ -286,7 +286,7 @@ static ssize_t rtas_flash_read(struct file *file, char __user *buf, } /* constructor for flash_block_cache */ -void rtas_block_ctor(void *ptr, struct kmem_cache *cache, unsigned long flags) +void rtas_block_ctor(struct kmem_cache *cache, void *ptr) { memset(ptr, 0, RTAS_BLK_SIZE); } diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index bd85b5fd08c..4a4f5c6b560 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -41,10 +41,10 @@ #include <linux/compat.h> #include <linux/ptrace.h> #include <linux/elf.h> +#include <linux/ipc.h> #include <asm/ptrace.h> #include <asm/types.h> -#include <asm/ipc.h> #include <asm/uaccess.h> #include <asm/unistd.h> #include <asm/semaphore.h> diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c index f85f402ceae..3b1d5dd6564 100644 --- a/arch/powerpc/kernel/syscalls.c +++ b/arch/powerpc/kernel/syscalls.c @@ -38,7 +38,6 @@ #include <linux/personality.h> #include <asm/uaccess.h> -#include <asm/ipc.h> #include <asm/semaphore.h> #include <asm/syscalls.h> #include <asm/time.h> |