summaryrefslogtreecommitdiffstats
path: root/arch/x86/boot/compressed/head_64.S
diff options
context:
space:
mode:
authorJiri Slaby <jslaby@suse.cz>2019-10-11 13:50:52 +0200
committerBorislav Petkov <bp@suse.de>2019-10-18 10:43:26 +0200
commitb8c3f9b554e8bd0edb434a54d0dc48e3d9eb6edd (patch)
treea300dd1ee0bdd3a9a7f66e4f9135806876efeeaf /arch/x86/boot/compressed/head_64.S
parentb1bd27b9ad45d77a2924e2168c6982c8ff1d8083 (diff)
downloadlinux-stable-b8c3f9b554e8bd0edb434a54d0dc48e3d9eb6edd.tar.gz
linux-stable-b8c3f9b554e8bd0edb434a54d0dc48e3d9eb6edd.tar.bz2
linux-stable-b8c3f9b554e8bd0edb434a54d0dc48e3d9eb6edd.zip
x86/boot: Annotate data appropriately
Use the new SYM_DATA, SYM_DATA_START, and SYM_DATA_END* macros for data, so that the data in the object file look sane: Value Size Type Bind Vis Ndx Name 0000 10 OBJECT GLOBAL DEFAULT 3 efi32_boot_gdt 000a 10 OBJECT LOCAL DEFAULT 3 save_gdt 0014 8 OBJECT LOCAL DEFAULT 3 func_rt_ptr 001c 48 OBJECT GLOBAL DEFAULT 3 efi_gdt64 004c 0 OBJECT LOCAL DEFAULT 3 efi_gdt64_end 0000 48 OBJECT LOCAL DEFAULT 3 gdt 0030 0 OBJECT LOCAL DEFAULT 3 gdt_end 0030 8 OBJECT LOCAL DEFAULT 3 efi_config 0038 49 OBJECT GLOBAL DEFAULT 3 efi32_config 0069 49 OBJECT GLOBAL DEFAULT 3 efi64_config All have correct size and type now. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Allison Randal <allison@lohutok.net> Cc: Cao jin <caoj.fnst@cn.fujitsu.com> Cc: Enrico Weigelt <info@metux.net> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: linux-arch@vger.kernel.org Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Wei Huang <wei@redhat.com> Cc: x86-ml <x86@kernel.org> Cc: Xiaoyao Li <xiaoyao.li@linux.intel.com> Link: https://lkml.kernel.org/r/20191011115108.12392-13-jslaby@suse.cz
Diffstat (limited to 'arch/x86/boot/compressed/head_64.S')
-rw-r--r--arch/x86/boot/compressed/head_64.S32
1 files changed, 15 insertions, 17 deletions
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 7afe6e067066..ca762ea6a681 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -659,11 +659,12 @@ SYM_FUNC_END(.Lno_longmode)
#include "../../kernel/verify_cpu.S"
.data
-gdt64:
+SYM_DATA_START_LOCAL(gdt64)
.word gdt_end - gdt
.quad 0
+SYM_DATA_END(gdt64)
.balign 8
-gdt:
+SYM_DATA_START_LOCAL(gdt)
.word gdt_end - gdt
.long gdt
.word 0
@@ -672,25 +673,24 @@ gdt:
.quad 0x00cf92000000ffff /* __KERNEL_DS */
.quad 0x0080890000000000 /* TS descriptor */
.quad 0x0000000000000000 /* TS continued */
-gdt_end:
+SYM_DATA_END_LABEL(gdt, SYM_L_LOCAL, gdt_end)
#ifdef CONFIG_EFI_STUB
-efi_config:
- .quad 0
+SYM_DATA_LOCAL(efi_config, .quad 0)
#ifdef CONFIG_EFI_MIXED
- .global efi32_config
-efi32_config:
+SYM_DATA_START(efi32_config)
.fill 5,8,0
.quad efi64_thunk
.byte 0
+SYM_DATA_END(efi32_config)
#endif
- .global efi64_config
-efi64_config:
+SYM_DATA_START(efi64_config)
.fill 5,8,0
.quad efi_call
.byte 1
+SYM_DATA_END(efi64_config)
#endif /* CONFIG_EFI_STUB */
/*
@@ -698,23 +698,21 @@ efi64_config:
*/
.bss
.balign 4
-boot_heap:
- .fill BOOT_HEAP_SIZE, 1, 0
-boot_stack:
+SYM_DATA_LOCAL(boot_heap, .fill BOOT_HEAP_SIZE, 1, 0)
+
+SYM_DATA_START_LOCAL(boot_stack)
.fill BOOT_STACK_SIZE, 1, 0
-boot_stack_end:
+SYM_DATA_END_LABEL(boot_stack, SYM_L_LOCAL, boot_stack_end)
/*
* Space for page tables (not in .bss so not zeroed)
*/
.section ".pgtable","a",@nobits
.balign 4096
-pgtable:
- .fill BOOT_PGT_SIZE, 1, 0
+SYM_DATA_LOCAL(pgtable, .fill BOOT_PGT_SIZE, 1, 0)
/*
* The page table is going to be used instead of page table in the trampoline
* memory.
*/
-top_pgtable:
- .fill PAGE_SIZE, 1, 0
+SYM_DATA_LOCAL(top_pgtable, .fill PAGE_SIZE, 1, 0)