diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index d52ded366f14..1924b57bd241 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -162,7 +162,7 @@ void flush_altivec_to_thread(struct task_struct *tsk) } } -int dump_task_altivec(struct task_struct *tsk, elf_vrreg_t *vrregs) +int dump_task_altivec(struct task_struct *tsk, elf_vrregset_t *vrregs) { /* ELF_NVRREG includes the VSCR and VRSAVE which we need to save * separately, see below */ @@ -249,23 +249,6 @@ int dump_task_vsx(struct task_struct *tsk, elf_vrreg_t *vrregs) } #endif /* CONFIG_VSX */ -int dump_task_vector(struct task_struct *tsk, elf_vrregset_t *vrregs) -{ - int rc = 0; - elf_vrreg_t *regs = (elf_vrreg_t *)vrregs; -#ifdef CONFIG_ALTIVEC - rc = dump_task_altivec(tsk, regs); - if (rc) - return rc; - regs += ELF_NVRREG; -#endif - -#ifdef CONFIG_VSX - rc = dump_task_vsx(tsk, regs); -#endif - return rc; -} - #ifdef CONFIG_SPE void enable_kernel_spe(void) diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 4e203a89e189..8feb93e7890c 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -368,13 +368,15 @@ static int vsr_get(struct task_struct *target, const struct user_regset *regset, unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf) { - int ret; + double buf[32]; + int ret, i; flush_vsx_to_thread(target); + for (i = 0; i < 32 ; i++) + buf[i] = current->thread.fpr[i][TS_VSRLOWOFFSET]; ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, - target->thread.fpr, 0, - 32 * sizeof(vector128)); + buf, 0, 32 * sizeof(double)); return ret; } @@ -383,13 +385,16 @@ static int vsr_set(struct task_struct *target, const struct user_regset *regset, unsigned int pos, unsigned int count, const void *kbuf, const void __user *ubuf) { - int ret; + double buf[32]; + int ret,i; flush_vsx_to_thread(target); ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, - target->thread.fpr, 0, - 32 * sizeof(vector128)); + buf, 0, 32 * sizeof(double)); + for (i = 0; i < 32 ; i++) + current->thread.fpr[i][TS_VSRLOWOFFSET] = buf[i]; + return ret; } @@ -499,8 +504,8 @@ static const struct user_regset native_regsets[] = { #endif #ifdef CONFIG_VSX [REGSET_VSX] = { - .n = 32, - .size = sizeof(vector128), .align = sizeof(vector128), + .core_note_type = NT_PPC_VSX, .n = 32, + .size = sizeof(double), .align = sizeof(double), .active = vsr_active, .get = vsr_get, .set = vsr_set }, #endif diff --git a/include/asm-powerpc/elf.h b/include/asm-powerpc/elf.h index b6a874db801d..38a51728406f 100644 --- a/include/asm-powerpc/elf.h +++ b/include/asm-powerpc/elf.h @@ -221,8 +221,8 @@ extern int dump_task_fpu(struct task_struct *, elf_fpregset_t *); typedef elf_vrregset_t elf_fpxregset_t; #ifdef CONFIG_ALTIVEC -extern int dump_task_vector(struct task_struct *, elf_vrregset_t *vrregs); -#define ELF_CORE_COPY_XFPREGS(tsk, regs) dump_task_vector(tsk, regs) +extern int dump_task_altivec(struct task_struct *, elf_vrregset_t *vrregs); +#define ELF_CORE_COPY_XFPREGS(tsk, regs) dump_task_altivec(tsk, regs) #define ELF_CORE_XFPREG_TYPE NT_PPC_VMX #endif diff --git a/include/linux/elf.h b/include/linux/elf.h index ff9fbed90123..edc3dac3f02f 100644 --- a/include/linux/elf.h +++ b/include/linux/elf.h @@ -358,6 +358,7 @@ typedef struct elf64_shdr { #define NT_PRXFPREG 0x46e62b7f /* copied from gdb5.1/include/elf/common.h */ #define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */ #define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */ +#define NT_PPC_VSX 0x102 /* PowerPC VSX registers */ #define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */