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author | Al Viro <viro@ftp.linux.org.uk> | 2011-08-18 20:03:49 +0100 |
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committer | Richard Weinberger <richard@nod.at> | 2011-11-02 14:14:53 +0100 |
commit | 51d34749051a6369093e5067ef67c17f17694921 (patch) | |
tree | 765e499c73e2797cc5d525f1b4cf590f17aa4132 /arch | |
parent | 7eb122555c8583e1601b7a620c5a88c1e06c3eac (diff) | |
download | linux-stable-51d34749051a6369093e5067ef67c17f17694921.tar.gz linux-stable-51d34749051a6369093e5067ef67c17f17694921.tar.bz2 linux-stable-51d34749051a6369093e5067ef67c17f17694921.zip |
um: merge arch/um/os-Linux/sys-{i386,x86_64}
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/um/os-Linux/Makefile | 2 | ||||
-rw-r--r-- | arch/um/os-Linux/sys-x86/Makefile (renamed from arch/um/os-Linux/sys-i386/Makefile) | 5 | ||||
-rw-r--r-- | arch/um/os-Linux/sys-x86/prctl.c (renamed from arch/um/os-Linux/sys-x86_64/prctl.c) | 0 | ||||
-rw-r--r-- | arch/um/os-Linux/sys-x86/registers.c (renamed from arch/um/os-Linux/sys-i386/registers.c) | 58 | ||||
-rw-r--r-- | arch/um/os-Linux/sys-x86/task_size.c (renamed from arch/um/os-Linux/sys-i386/task_size.c) | 12 | ||||
-rw-r--r-- | arch/um/os-Linux/sys-x86/tls.c (renamed from arch/um/os-Linux/sys-i386/tls.c) | 0 | ||||
-rw-r--r-- | arch/um/os-Linux/sys-x86_64/Makefile | 10 | ||||
-rw-r--r-- | arch/um/os-Linux/sys-x86_64/registers.c | 50 | ||||
-rw-r--r-- | arch/um/os-Linux/sys-x86_64/task_size.c | 5 |
9 files changed, 57 insertions, 85 deletions
diff --git a/arch/um/os-Linux/Makefile b/arch/um/os-Linux/Makefile index 7aec5bfea331..7879e76e998f 100644 --- a/arch/um/os-Linux/Makefile +++ b/arch/um/os-Linux/Makefile @@ -5,7 +5,7 @@ obj-y = aio.o execvp.o file.o helper.o irq.o main.o mem.o process.o \ registers.o sigio.o signal.o start_up.o time.o tty.o \ - umid.o tls.o user_syms.o util.o drivers/ sys-$(SUBARCH)/ skas/ + umid.o tls.o user_syms.o util.o drivers/ sys-$(HEADER_ARCH)/ skas/ obj-$(CONFIG_ARCH_REUSE_HOST_VSYSCALL_AREA) += elf_aux.o diff --git a/arch/um/os-Linux/sys-i386/Makefile b/arch/um/os-Linux/sys-x86/Makefile index d491754bf701..22cc5073c020 100644 --- a/arch/um/os-Linux/sys-i386/Makefile +++ b/arch/um/os-Linux/sys-x86/Makefile @@ -3,7 +3,10 @@ # Licensed under the GPL # -obj-y = registers.o task_size.o tls.o +obj-y = registers.o task_size.o + +obj-$(CONFIG_X86_32) += tls.o +obj-$(CONFIG_64BIT) += prctl.o USER_OBJS := $(obj-y) diff --git a/arch/um/os-Linux/sys-x86_64/prctl.c b/arch/um/os-Linux/sys-x86/prctl.c index 9d34eddb517f..9d34eddb517f 100644 --- a/arch/um/os-Linux/sys-x86_64/prctl.c +++ b/arch/um/os-Linux/sys-x86/prctl.c diff --git a/arch/um/os-Linux/sys-i386/registers.c b/arch/um/os-Linux/sys-x86/registers.c index 913d811b38db..3a9b6247bbbc 100644 --- a/arch/um/os-Linux/sys-i386/registers.c +++ b/arch/um/os-Linux/sys-x86/registers.c @@ -24,6 +24,8 @@ int restore_fp_registers(int pid, unsigned long *fp_regs) return 0; } +#ifdef __i386__ +int have_fpx_regs = 1; int save_fpx_registers(int pid, unsigned long *fp_regs) { if (ptrace(PTRACE_GETFPXREGS, pid, 0, fp_regs) < 0) @@ -38,24 +40,6 @@ int restore_fpx_registers(int pid, unsigned long *fp_regs) return 0; } -unsigned long get_thread_reg(int reg, jmp_buf *buf) -{ - switch (reg) { - case EIP: - return buf[0]->__eip; - case UESP: - return buf[0]->__esp; - case EBP: - return buf[0]->__ebp; - default: - printk(UM_KERN_ERR "get_thread_regs - unknown register %d\n", - reg); - return 0; - } -} - -int have_fpx_regs = 1; - int get_fp_registers(int pid, unsigned long *regs) { if (have_fpx_regs) @@ -87,3 +71,41 @@ void arch_init_registers(int pid) have_fpx_regs = 0; } +#else + +int get_fp_registers(int pid, unsigned long *regs) +{ + return save_fp_registers(pid, regs); +} + +int put_fp_registers(int pid, unsigned long *regs) +{ + return restore_fp_registers(pid, regs); +} + +#endif + +unsigned long get_thread_reg(int reg, jmp_buf *buf) +{ + switch (reg) { +#ifdef __i386__ + case EIP: + return buf[0]->__eip; + case UESP: + return buf[0]->__esp; + case EBP: + return buf[0]->__ebp; +#else + case RIP: + return buf[0]->__rip; + case RSP: + return buf[0]->__rsp; + case RBP: + return buf[0]->__rbp; +#endif + default: + printk(UM_KERN_ERR "get_thread_regs - unknown register %d\n", + reg); + return 0; + } +} diff --git a/arch/um/os-Linux/sys-i386/task_size.c b/arch/um/os-Linux/sys-x86/task_size.c index 4ce09b8e99c9..efb16c5c9bcf 100644 --- a/arch/um/os-Linux/sys-i386/task_size.c +++ b/arch/um/os-Linux/sys-x86/task_size.c @@ -4,6 +4,8 @@ #include <sys/mman.h> #include "longjmp.h" +#ifdef __i386__ + static jmp_buf buf; static void segfault(int sig) @@ -136,3 +138,13 @@ out: return top; } + +#else + +unsigned long os_get_top_address(void) +{ + /* The old value of CONFIG_TOP_ADDR */ + return 0x7fc0000000; +} + +#endif diff --git a/arch/um/os-Linux/sys-i386/tls.c b/arch/um/os-Linux/sys-x86/tls.c index 281e83ecce3d..281e83ecce3d 100644 --- a/arch/um/os-Linux/sys-i386/tls.c +++ b/arch/um/os-Linux/sys-x86/tls.c diff --git a/arch/um/os-Linux/sys-x86_64/Makefile b/arch/um/os-Linux/sys-x86_64/Makefile deleted file mode 100644 index 58f6e0a38598..000000000000 --- a/arch/um/os-Linux/sys-x86_64/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# -# Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) -# Licensed under the GPL -# - -obj-y = registers.o prctl.o task_size.o - -USER_OBJS := $(obj-y) - -include arch/um/scripts/Makefile.rules diff --git a/arch/um/os-Linux/sys-x86_64/registers.c b/arch/um/os-Linux/sys-x86_64/registers.c deleted file mode 100644 index 0594d550c034..000000000000 --- a/arch/um/os-Linux/sys-x86_64/registers.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Copyright (C) 2006 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL - */ - -#include <errno.h> -#include <sys/ptrace.h> -#define __FRAME_OFFSETS -#include <asm/ptrace.h> -#include "longjmp.h" - -int save_fp_registers(int pid, unsigned long *fp_regs) -{ - if (ptrace(PTRACE_GETFPREGS, pid, 0, fp_regs) < 0) - return -errno; - return 0; -} - -int restore_fp_registers(int pid, unsigned long *fp_regs) -{ - if (ptrace(PTRACE_SETFPREGS, pid, 0, fp_regs) < 0) - return -errno; - return 0; -} - -unsigned long get_thread_reg(int reg, jmp_buf *buf) -{ - switch (reg) { - case RIP: - return buf[0]->__rip; - case RSP: - return buf[0]->__rsp; - case RBP: - return buf[0]->__rbp; - default: - printk(UM_KERN_ERR "get_thread_regs - unknown register %d\n", - reg); - return 0; - } -} - -int get_fp_registers(int pid, unsigned long *regs) -{ - return save_fp_registers(pid, regs); -} - -int put_fp_registers(int pid, unsigned long *regs) -{ - return restore_fp_registers(pid, regs); -} diff --git a/arch/um/os-Linux/sys-x86_64/task_size.c b/arch/um/os-Linux/sys-x86_64/task_size.c deleted file mode 100644 index 26a0dd1f349c..000000000000 --- a/arch/um/os-Linux/sys-x86_64/task_size.c +++ /dev/null @@ -1,5 +0,0 @@ -unsigned long os_get_top_address(unsigned long shift) -{ - /* The old value of CONFIG_TOP_ADDR */ - return 0x7fc0000000; -} |