MIPS: Remove old core dump functions

Since the core dumper now uses regsets, the old core dump functions are
now unused. Remove them.

Signed-off-by: Alex Smith <alex@alex-smith.me.uk>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7456/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h
index d4144056e9287c2a840450cebb19774380fc404c..1d38fe0edd2d6138e8e87ee238c6059daf8d9d44 100644 (file)
--- a/arch/mips/include/asm/elf.h
+++ b/arch/mips/include/asm/elf.h
@@ -339,23 +339,6 @@ do {                                                                       \
 
 #endif /* CONFIG_64BIT */
 
 
 #endif /* CONFIG_64BIT */
 

-struct pt_regs;
-struct task_struct;
-
-extern void elf_dump_regs(elf_greg_t *, struct pt_regs *regs);
-extern int dump_task_regs(struct task_struct *, elf_gregset_t *);
-extern int dump_task_fpu(struct task_struct *, elf_fpregset_t *);
-
-#ifndef ELF_CORE_COPY_REGS
-#define ELF_CORE_COPY_REGS(elf_regs, regs)                     \
-       elf_dump_regs((elf_greg_t *)&(elf_regs), regs);
-#endif
-#ifndef ELF_CORE_COPY_TASK_REGS
-#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
-#endif
-#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs)                  \
-       dump_task_fpu(tsk, elf_fpregs)
-

 #define CORE_DUMP_USE_REGSET
 #define ELF_EXEC_PAGESIZE      PAGE_SIZE
 
 #define CORE_DUMP_USE_REGSET
 #define ELF_EXEC_PAGESIZE      PAGE_SIZE
 

diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c
index 71df942fb77c41c778059b75ed51c28b424aba61..928767858b867b65cce4aa92f965f96064a1f429 100644 (file)
--- a/arch/mips/kernel/binfmt_elfo32.c
+++ b/arch/mips/kernel/binfmt_elfo32.c
@@ -72,16 +72,6 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
 
 #include <asm/processor.h>
 
 
 #include <asm/processor.h>
 

-/* These MUST be defined before elf.h gets included */
-extern void elf32_core_copy_regs(elf_gregset_t grp, struct pt_regs *regs);
-#define ELF_CORE_COPY_REGS(_dest, _regs) elf32_core_copy_regs(_dest, _regs);
-#define ELF_CORE_COPY_TASK_REGS(_tsk, _dest)                           \
-({                                                                     \
-       int __res = 1;                                                  \
-       elf32_core_copy_regs(*(_dest), task_pt_regs(_tsk));             \
-       __res;                                                          \
-})
-

 #include <linux/module.h>
 #include <linux/elfcore.h>
 #include <linux/compat.h>
 #include <linux/module.h>
 #include <linux/elfcore.h>
 #include <linux/compat.h>


@@ -139,28 +129,6 @@ jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value)
        value->tv_usec = rem / NSEC_PER_USEC;
 }
 
        value->tv_usec = rem / NSEC_PER_USEC;
 }
 

-void elf32_core_copy_regs(elf_gregset_t grp, struct pt_regs *regs)
-{
-       int i;
-
-       for (i = 0; i < MIPS32_EF_R0; i++)
-               grp[i] = 0;
-       grp[MIPS32_EF_R0] = 0;
-       for (i = 1; i <= 31; i++)
-               grp[MIPS32_EF_R0 + i] = (elf_greg_t) regs->regs[i];
-       grp[MIPS32_EF_R26] = 0;
-       grp[MIPS32_EF_R27] = 0;
-       grp[MIPS32_EF_LO] = (elf_greg_t) regs->lo;
-       grp[MIPS32_EF_HI] = (elf_greg_t) regs->hi;
-       grp[MIPS32_EF_CP0_EPC] = (elf_greg_t) regs->cp0_epc;
-       grp[MIPS32_EF_CP0_BADVADDR] = (elf_greg_t) regs->cp0_badvaddr;
-       grp[MIPS32_EF_CP0_STATUS] = (elf_greg_t) regs->cp0_status;
-       grp[MIPS32_EF_CP0_CAUSE] = (elf_greg_t) regs->cp0_cause;
-#ifdef MIPS32_EF_UNUSED0
-       grp[MIPS32_EF_UNUSED0] = 0;
-#endif
-}
-

 MODULE_DESCRIPTION("Binary format loader for compatibility with o32 Linux/MIPS binaries");
 MODULE_AUTHOR("Ralf Baechle (ralf@linux-mips.org)");
 
 MODULE_DESCRIPTION("Binary format loader for compatibility with o32 Linux/MIPS binaries");
 MODULE_AUTHOR("Ralf Baechle (ralf@linux-mips.org)");
 

diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 0a1ec0f3beff68acb4071136a637aacb6a164816..7564c371c66043204d62235a4e8183cabdc978de 100644 (file)
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -152,61 +152,6 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
        return 0;
 }
 
        return 0;
 }
 

-/* Fill in the fpu structure for a core dump.. */
-int dump_fpu(struct pt_regs *regs, elf_fpregset_t *r)
-{
-       int i;
-
-       for (i = 0; i < NUM_FPU_REGS; i++)
-               memcpy(&r[i], &current->thread.fpu.fpr[i], sizeof(*r));
-
-       memcpy(&r[NUM_FPU_REGS], &current->thread.fpu.fcr31,
-              sizeof(current->thread.fpu.fcr31));
-
-       return 1;
-}
-
-void elf_dump_regs(elf_greg_t *gp, struct pt_regs *regs)
-{
-       int i;
-
-       for (i = 0; i < EF_R0; i++)
-               gp[i] = 0;
-       gp[EF_R0] = 0;
-       for (i = 1; i <= 31; i++)
-               gp[EF_R0 + i] = regs->regs[i];
-       gp[EF_R26] = 0;
-       gp[EF_R27] = 0;
-       gp[EF_LO] = regs->lo;
-       gp[EF_HI] = regs->hi;
-       gp[EF_CP0_EPC] = regs->cp0_epc;
-       gp[EF_CP0_BADVADDR] = regs->cp0_badvaddr;
-       gp[EF_CP0_STATUS] = regs->cp0_status;
-       gp[EF_CP0_CAUSE] = regs->cp0_cause;
-#ifdef EF_UNUSED0
-       gp[EF_UNUSED0] = 0;
-#endif
-}
-
-int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs)
-{
-       elf_dump_regs(*regs, task_pt_regs(tsk));
-       return 1;
-}
-
-int dump_task_fpu(struct task_struct *t, elf_fpregset_t *fpr)
-{
-       int i;
-
-       for (i = 0; i < NUM_FPU_REGS; i++)
-               memcpy(&fpr[i], &t->thread.fpu.fpr[i], sizeof(*fpr));
-
-       memcpy(&fpr[NUM_FPU_REGS], &t->thread.fpu.fcr31,
-              sizeof(t->thread.fpu.fcr31));
-
-       return 1;
-}
-

 #ifdef CONFIG_CC_STACKPROTECTOR
 #include <linux/stackprotector.h>
 unsigned long __stack_chk_guard __read_mostly;
 #ifdef CONFIG_CC_STACKPROTECTOR
 #include <linux/stackprotector.h>
 unsigned long __stack_chk_guard __read_mostly;