[PATCH 3/7] kbuild: fix LD_DEAD_CODE_DATA_ELIMINATION with GNU gold

[Sami Tolvanen]

Don't remove .head.text or .exitcall.exit when linking with --gc-sections,
and include .init.text.* in .init.text and .init.rodata.* in .init.rodata.

Signed-off-by: Sami Tolvanen <samitolva...@google.com>
---
 include/asm-generic/vmlinux.lds.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/asm-generic/vmlinux.lds.h 
b/include/asm-generic/vmlinux.lds.h
index ee8b707d9fa9..eb4199c12bd2 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -515,7 +515,7 @@
                VMLINUX_SYMBOL(__softirqentry_text_end) = .;
 
 /* Section used for early init (in .S files) */
-#define HEAD_TEXT  *(.head.text)
+#define HEAD_TEXT  KEEP(*(.head.text))
 
 #define HEAD_TEXT_SECTION                                                      
\
        .head.text : AT(ADDR(.head.text) - LOAD_OFFSET) {               \
@@ -560,7 +560,7 @@
        MEM_DISCARD(init.data)                                          \
        KERNEL_CTORS()                                                  \
        MCOUNT_REC()                                                    \
-       *(.init.rodata)                                                 \
+       *(.init.rodata .init.rodata.*)                                  \
        FTRACE_EVENTS()                                                 \
        TRACE_SYSCALLS()                                                \
        KPROBE_BLACKLIST()                                              \
@@ -579,7 +579,7 @@
        EARLYCON_TABLE()
 
 #define INIT_TEXT                                                      \
-       *(.init.text)                                                   \
+       *(.init.text .init.text.*)                                      \
        *(.text.startup)                                                \
        MEM_DISCARD(init.text)
 
@@ -596,7 +596,7 @@
        MEM_DISCARD(exit.text)
 
 #define EXIT_CALL                                                      \
-       *(.exitcall.exit)
+       KEEP(*(.exitcall.exit))
 
 /*
  * bss (Block Started by Symbol) - uninitialized data
-- 
2.15.0.531.g2ccb3012c9-goog