hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

MIPS: Export _mcount alongside its definition 

Now that EXPORT_SYMBOL can be used from assembly source, move the
EXPORT_SYMBOL invocation for _mcount to be alongside its definition.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14525/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Paul Burton 2016-11-07 11:48:04 +00:00 committed by Ralf Baechle
parent 29830c124d
commit 827456e710
2 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/mips/kernel/mcount.S
View File

@ -10,6 +10,7 @@
* Author: Wu Zhangjin <wuzhangjin@gmail.com> * Author: Wu Zhangjin <wuzhangjin@gmail.com>
*/ */
#include <asm/export.h>
#include <asm/regdef.h> #include <asm/regdef.h>
#include <asm/stackframe.h> #include <asm/stackframe.h>
#include <asm/ftrace.h> #include <asm/ftrace.h>
@ -66,6 +67,7 @@
NESTED(ftrace_caller, PT_SIZE, ra) NESTED(ftrace_caller, PT_SIZE, ra)
.globl _mcount .globl _mcount
_mcount: _mcount:
EXPORT_SYMBOL(_mcount)
b ftrace_stub b ftrace_stub
#ifdef CONFIG_32BIT #ifdef CONFIG_32BIT
addiu sp,sp,8 addiu sp,sp,8
@ -114,6 +116,7 @@ ftrace_stub:
#else /* ! CONFIG_DYNAMIC_FTRACE */ #else /* ! CONFIG_DYNAMIC_FTRACE */
NESTED(_mcount, PT_SIZE, ra) NESTED(_mcount, PT_SIZE, ra)
EXPORT_SYMBOL(_mcount)
PTR_LA t1, ftrace_stub PTR_LA t1, ftrace_stub
PTR_L t2, ftrace_trace_function /* Prepare t2 for (1) */ PTR_L t2, ftrace_trace_function /* Prepare t2 for (1) */
bne t1, t2, static_trace bne t1, t2, static_trace

4
arch/mips/kernel/mips_ksyms.c
View File

@ -80,7 +80,3 @@ EXPORT_SYMBOL(__csum_partial_copy_from_user);
#endif #endif
EXPORT_SYMBOL(invalid_pte_table); EXPORT_SYMBOL(invalid_pte_table);
#ifdef CONFIG_FUNCTION_TRACER
/* _mcount is defined in arch/mips/kernel/mcount.S */
EXPORT_SYMBOL(_mcount);
#endif