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authorJeff Dike <jdike@addtoit.com>2007-10-16 01:27:17 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:43:07 -0700
commit058ac308f3dd34ce4e2dbf938258975ced14b809 (patch)
tree86576cc43740bb45680fc990b445dacd08cfae76 /include/asm-um
parente8012b584fac3a1bb70cd896612c12086d28e9ff (diff)
downloadlinux-stericsson-058ac308f3dd34ce4e2dbf938258975ced14b809.tar.gz
uml: coredumping floating point fixes
Fix core dumping of floating point state. ELF_CORE_COPY_FPREGS gets a definitions, and as a result, dump_fpu no longer needs to exist. Also, elf_fpregset_t needed a real definition. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-um')
-rw-r--r--include/asm-um/elf-i386.h12
-rw-r--r--include/asm-um/elf-x86_64.h2
2 files changed, 12 insertions, 2 deletions
diff --git a/include/asm-um/elf-i386.h b/include/asm-um/elf-i386.h
index 9bab712dc5c0..ca94a136dfe8 100644
--- a/include/asm-um/elf-i386.h
+++ b/include/asm-um/elf-i386.h
@@ -5,7 +5,8 @@
#ifndef __UM_ELF_I386_H
#define __UM_ELF_I386_H
-#include <asm/user.h>
+#include <linux/sched.h>
+#include "skas.h"
#define R_386_NONE 0
#define R_386_32 1
@@ -75,6 +76,15 @@ typedef struct user_i387_struct elf_fpregset_t;
pr_reg[16] = PT_REGS_SS(regs); \
} while(0);
+static inline int elf_core_copy_fpregs(struct task_struct *t,
+ elf_fpregset_t *fpu)
+{
+ int cpu = ((struct thread_info *) t->stack)->cpu;
+ return save_fp_registers(userspace_pid[cpu], (unsigned long *) fpu);
+}
+
+#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu)
+
extern long elf_aux_hwcap;
#define ELF_HWCAP (elf_aux_hwcap)
diff --git a/include/asm-um/elf-x86_64.h b/include/asm-um/elf-x86_64.h
index bfe27aa2c9c4..97e1ced71ba7 100644
--- a/include/asm-um/elf-x86_64.h
+++ b/include/asm-um/elf-x86_64.h
@@ -36,7 +36,7 @@ typedef unsigned long elf_greg_t;
#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
-typedef struct { } elf_fpregset_t;
+typedef struct user_i387_struct elf_fpregset_t;
/*
* This is used to ensure we don't load something for the wrong architecture.