diff options
| author | Rabin Vincent <rabin@rab.in> | 2010-11-30 17:36:48 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-12-04 11:30:27 +0000 |
| commit | ed60453fa8f8fc3d034dfdf10371a99cc6905626 (patch) | |
| tree | 54a67cc7e01481c7b11b5c077a784149b8ad7979 /scripts/recordmcount.c | |
| parent | cd3478f2bd8f2cec19f9247a8a9cd711cbe37683 (diff) | |
| download | lwn-ed60453fa8f8fc3d034dfdf10371a99cc6905626.tar.gz lwn-ed60453fa8f8fc3d034dfdf10371a99cc6905626.zip | |
ARM: 6511/1: ftrace: add ARM support for C version of recordmcount
Depending on the compiler version, ARM GCC calls the mcount function
either __gnu_mcount_nc or mcount.
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'scripts/recordmcount.c')
| -rw-r--r-- | scripts/recordmcount.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c index ac6e51ceed50..038b3d1e2981 100644 --- a/scripts/recordmcount.c +++ b/scripts/recordmcount.c @@ -38,6 +38,7 @@ static void *ehdr_curr; /* current ElfXX_Ehdr * for resource cleanup */ static char gpfx; /* prefix for global symbol name (sometimes '_') */ static struct stat sb; /* Remember .st_size, etc. */ static jmp_buf jmpenv; /* setjmp/longjmp per-file error escape */ +static const char *altmcount; /* alternate mcount symbol name */ /* setjmp() return values */ enum { @@ -299,7 +300,9 @@ do_file(char const *const fname) fail_file(); } break; case EM_386: reltype = R_386_32; break; - case EM_ARM: reltype = R_ARM_ABS32; break; + case EM_ARM: reltype = R_ARM_ABS32; + altmcount = "__gnu_mcount_nc"; + break; case EM_IA_64: reltype = R_IA64_IMM64; gpfx = '_'; break; case EM_MIPS: /* reltype: e_class */ gpfx = '_'; break; case EM_PPC: reltype = R_PPC_ADDR32; gpfx = '_'; break; |