diff options
Diffstat (limited to 'arch/x86/kernel/vmlinux.lds.S')
| -rw-r--r-- | arch/x86/kernel/vmlinux.lds.S | 56 |
1 files changed, 12 insertions, 44 deletions
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 89aed99aafc..0f703f10901 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -71,7 +71,6 @@ PHDRS { text PT_LOAD FLAGS(5); /* R_E */ data PT_LOAD FLAGS(6); /* RW_ */ #ifdef CONFIG_X86_64 - user PT_LOAD FLAGS(5); /* R_E */ #ifdef CONFIG_SMP percpu PT_LOAD FLAGS(6); /* RW_ */ #endif @@ -154,56 +153,25 @@ SECTIONS #ifdef CONFIG_X86_64 -#define VSYSCALL_ADDR (-10*1024*1024) - -#define VLOAD_OFFSET (VSYSCALL_ADDR - __vsyscall_0 + LOAD_OFFSET) -#define VLOAD(x) (ADDR(x) - VLOAD_OFFSET) - -#define VVIRT_OFFSET (VSYSCALL_ADDR - __vsyscall_0) -#define VVIRT(x) (ADDR(x) - VVIRT_OFFSET) -#define EMIT_VVAR(x, offset) .vsyscall_var_ ## x \ - ADDR(.vsyscall_0) + offset \ - : AT(VLOAD(.vsyscall_var_ ## x)) { \ - *(.vsyscall_var_ ## x) \ - } \ - x = VVIRT(.vsyscall_var_ ## x); - - . = ALIGN(4096); - __vsyscall_0 = .; - - . = VSYSCALL_ADDR; - .vsyscall_0 : AT(VLOAD(.vsyscall_0)) { - *(.vsyscall_0) - } :user - - . = ALIGN(L1_CACHE_BYTES); - .vsyscall_fn : AT(VLOAD(.vsyscall_fn)) { - *(.vsyscall_fn) - } - - .vsyscall_1 ADDR(.vsyscall_0) + 1024: AT(VLOAD(.vsyscall_1)) { - *(.vsyscall_1) - } - .vsyscall_2 ADDR(.vsyscall_0) + 2048: AT(VLOAD(.vsyscall_2)) { - *(.vsyscall_2) - } + . = ALIGN(PAGE_SIZE); + __vvar_page = .; - .vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3)) { - *(.vsyscall_3) - } + .vvar : AT(ADDR(.vvar) - LOAD_OFFSET) { + /* work around gold bug 13023 */ + __vvar_beginning_hack = .; + /* Place all vvars at the offsets in asm/vvar.h. */ +#define EMIT_VVAR(name, offset) \ + . = __vvar_beginning_hack + offset; \ + *(.vvar_ ## name) #define __VVAR_KERNEL_LDS #include <asm/vvar.h> #undef __VVAR_KERNEL_LDS +#undef EMIT_VVAR - . = __vsyscall_0 + PAGE_SIZE; + } :data -#undef VSYSCALL_ADDR -#undef VLOAD_OFFSET -#undef VLOAD -#undef VVIRT_OFFSET -#undef VVIRT -#undef EMIT_VVAR + . = ALIGN(__vvar_page + PAGE_SIZE, PAGE_SIZE); #endif /* CONFIG_X86_64 */ |