powerpc: Remove old dump_task_* functions
Since Roland's ptrace cleanup starting with commit
f65255e8d5 ("[POWERPC] Use user_regset
accessors for FP regs"), the dump_task_* functions are no longer being
used.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Michael Neuling
Paul Mackerras
parent
6a274c08f2
commit
138fc1ee06
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@ -105,29 +105,6 @@ void enable_kernel_fp(void)
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}
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}
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EXPORT_SYMBOL(enable_kernel_fp);
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EXPORT_SYMBOL(enable_kernel_fp);
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int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpregs)
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{
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#ifdef CONFIG_VSX
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int i;
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elf_fpreg_t *reg;
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#endif
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if (!tsk->thread.regs)
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return 0;
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flush_fp_to_thread(current);
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#ifdef CONFIG_VSX
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reg = (elf_fpreg_t *)fpregs;
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for (i = 0; i < ELF_NFPREG - 1; i++, reg++)
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*reg = tsk->thread.TS_FPR(i);
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memcpy(reg, &tsk->thread.fpscr, sizeof(elf_fpreg_t));
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#else
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memcpy(fpregs, &tsk->thread.TS_FPR(0), sizeof(*fpregs));
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#endif
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return 1;
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}
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#ifdef CONFIG_ALTIVEC
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#ifdef CONFIG_ALTIVEC
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void enable_kernel_altivec(void)
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void enable_kernel_altivec(void)
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{
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{
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@ -161,35 +138,6 @@ void flush_altivec_to_thread(struct task_struct *tsk)
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preempt_enable();
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preempt_enable();
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}
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}
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}
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}
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int dump_task_altivec(struct task_struct *tsk, elf_vrregset_t *vrregs)
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{
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/* ELF_NVRREG includes the VSCR and VRSAVE which we need to save
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* separately, see below */
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const int nregs = ELF_NVRREG - 2;
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elf_vrreg_t *reg;
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u32 *dest;
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if (tsk == current)
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flush_altivec_to_thread(tsk);
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reg = (elf_vrreg_t *)vrregs;
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/* copy the 32 vr registers */
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memcpy(reg, &tsk->thread.vr[0], nregs * sizeof(*reg));
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reg += nregs;
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/* copy the vscr */
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memcpy(reg, &tsk->thread.vscr, sizeof(*reg));
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reg++;
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/* vrsave is stored in the high 32bit slot of the final 128bits */
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memset(reg, 0, sizeof(*reg));
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dest = (u32 *)reg;
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*dest = tsk->thread.vrsave;
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return 1;
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}
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#endif /* CONFIG_ALTIVEC */
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#endif /* CONFIG_ALTIVEC */
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#ifdef CONFIG_VSX
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#ifdef CONFIG_VSX
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@ -224,29 +172,6 @@ void flush_vsx_to_thread(struct task_struct *tsk)
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preempt_enable();
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preempt_enable();
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}
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}
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}
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}
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/*
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* This dumps the lower half 64bits of the first 32 VSX registers.
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* This needs to be called with dump_task_fp and dump_task_altivec to
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* get all the VSX state.
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*/
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int dump_task_vsx(struct task_struct *tsk, elf_vrreg_t *vrregs)
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{
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elf_vrreg_t *reg;
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double buf[32];
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int i;
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if (tsk == current)
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flush_vsx_to_thread(tsk);
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reg = (elf_vrreg_t *)vrregs;
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for (i = 0; i < 32 ; i++)
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buf[i] = current->thread.fpr[i][TS_VSRLOWOFFSET];
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memcpy(reg, buf, sizeof(buf));
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return 1;
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}
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#endif /* CONFIG_VSX */
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#endif /* CONFIG_VSX */
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#ifdef CONFIG_SPE
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#ifdef CONFIG_SPE
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@ -279,14 +204,6 @@ void flush_spe_to_thread(struct task_struct *tsk)
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preempt_enable();
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preempt_enable();
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}
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}
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}
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}
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int dump_spe(struct pt_regs *regs, elf_vrregset_t *evrregs)
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{
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flush_spe_to_thread(current);
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/* We copy u32 evr[32] + u64 acc + u32 spefscr -> 35 */
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memcpy(evrregs, ¤t->thread.evr[0], sizeof(u32) * 35);
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return 1;
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}
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#endif /* CONFIG_SPE */
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#endif /* CONFIG_SPE */
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#ifndef CONFIG_SMP
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#ifndef CONFIG_SMP
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@ -204,28 +204,8 @@ static inline void ppc_elf_core_copy_regs(elf_gregset_t elf_regs,
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}
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}
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#define ELF_CORE_COPY_REGS(gregs, regs) ppc_elf_core_copy_regs(gregs, regs);
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#define ELF_CORE_COPY_REGS(gregs, regs) ppc_elf_core_copy_regs(gregs, regs);
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static inline int dump_task_regs(struct task_struct *tsk,
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elf_gregset_t *elf_regs)
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{
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struct pt_regs *regs = tsk->thread.regs;
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if (regs)
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ppc_elf_core_copy_regs(*elf_regs, regs);
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return 1;
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}
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#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
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extern int dump_task_fpu(struct task_struct *, elf_fpregset_t *);
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#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
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typedef elf_vrregset_t elf_fpxregset_t;
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typedef elf_vrregset_t elf_fpxregset_t;
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#ifdef CONFIG_ALTIVEC
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extern int dump_task_altivec(struct task_struct *, elf_vrregset_t *vrregs);
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#define ELF_CORE_COPY_XFPREGS(tsk, regs) dump_task_altivec(tsk, regs)
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#define ELF_CORE_XFPREG_TYPE NT_PPC_VMX
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#endif
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/* ELF_HWCAP yields a mask that user programs can use to figure out what
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/* ELF_HWCAP yields a mask that user programs can use to figure out what
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instruction set this cpu supports. This could be done in userspace,
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instruction set this cpu supports. This could be done in userspace,
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but it's not easy, and we've already done it here. */
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but it's not easy, and we've already done it here. */
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