From 058ac308f3dd34ce4e2dbf938258975ced14b809 Mon Sep 17 00:00:00 2001 From: Jeff Dike Date: Tue, 16 Oct 2007 01:27:17 -0700 Subject: 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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-um/elf-i386.h | 12 +++++++++++- include/asm-um/elf-x86_64.h | 2 +- 2 files changed, 12 insertions(+), 2 deletions(-) (limited to 'include/asm-um') diff --git a/include/asm-um/elf-i386.h b/include/asm-um/elf-i386.h index 9bab712dc5c..ca94a136dfe 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 +#include +#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 bfe27aa2c9c..97e1ced71ba 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. -- cgit v1.2.3