summaryrefslogtreecommitdiff
path: root/scripts/module.lds.S
diff options
context:
space:
mode:
authorRodrigo Vivi <rodrigo.vivi@intel.com>2021-05-18 00:48:02 +0300
committerRodrigo Vivi <rodrigo.vivi@intel.com>2021-05-18 00:48:02 +0300
commitd22fe808f9a3456f16015e79f1b86a10ce13099f (patch)
tree8e8c99d742696a810297d54d650f308f6156d466 /scripts/module.lds.S
parent1a7910368cba1e76b992b116fc8ba28503e6dcc1 (diff)
parent6efb943b8616ec53a5e444193dccf1af9ad627b5 (diff)
downloadlinux-d22fe808f9a3456f16015e79f1b86a10ce13099f.tar.xz
Merge drm/drm-next into drm-intel-next
Time to get back in sync... Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'scripts/module.lds.S')
-rw-r--r--scripts/module.lds.S21
1 files changed, 20 insertions, 1 deletions
diff --git a/scripts/module.lds.S b/scripts/module.lds.S
index 168cd27e6122..04c5685c25cf 100644
--- a/scripts/module.lds.S
+++ b/scripts/module.lds.S
@@ -3,10 +3,20 @@
* Archs are free to supply their own linker scripts. ld will
* combine them automatically.
*/
+#ifdef CONFIG_CFI_CLANG
+# include <asm/page.h>
+# define ALIGN_CFI ALIGN(PAGE_SIZE)
+# define SANITIZER_DISCARDS *(.eh_frame)
+#else
+# define ALIGN_CFI
+# define SANITIZER_DISCARDS
+#endif
+
SECTIONS {
/DISCARD/ : {
*(.discard)
*(.discard.*)
+ SANITIZER_DISCARDS
}
__ksymtab 0 : { *(SORT(___ksymtab+*)) }
@@ -20,6 +30,7 @@ SECTIONS {
__patchable_function_entries : { *(__patchable_function_entries) }
+#ifdef CONFIG_LTO_CLANG
/*
* With CONFIG_LTO_CLANG, LLD always enables -fdata-sections and
* -ffunction-sections, which increases the size of the final module.
@@ -40,7 +51,15 @@ SECTIONS {
*(.rodata..L*)
}
- .text : { *(.text .text.[0-9a-zA-Z_]*) }
+ /*
+ * With CONFIG_CFI_CLANG, we assume __cfi_check is at the beginning
+ * of the .text section, and is aligned to PAGE_SIZE.
+ */
+ .text : ALIGN_CFI {
+ *(.text.__cfi_check)
+ *(.text .text.[0-9a-zA-Z_]* .text..L.cfi*)
+ }
+#endif
}
/* bring in arch-specific sections */