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authorAlan Kao <alankao@andestech.com>2018-02-13 13:13:16 +0800
committerPalmer Dabbelt <palmer@sifive.com>2018-04-02 19:59:10 -0700
commita1d2a6b4cee858a2f27eebce731fbf1dfd72cb4e (patch)
tree02678da661691d5576560c22f7aa62621d3773c2 /scripts
parent0adb32858b0bddf4ada5f364a84ed60b196dbcda (diff)
downloadlinux-stericsson-a1d2a6b4cee858a2f27eebce731fbf1dfd72cb4e.tar.gz
riscv/ftrace: Add RECORD_MCOUNT support
Now recordmcount.pl recognizes RISC-V object files. For the mechanism to work, we have to disable the linker relaxation. Cc: Greentime Hu <greentime@andestech.com> Signed-off-by: Alan Kao <alankao@andestech.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/recordmcount.pl5
1 files changed, 5 insertions, 0 deletions
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 2033af758173..d44d55db7c06 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -376,6 +376,11 @@ if ($arch eq "x86_64") {
$mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s__mcount\$";
$type = ".quad";
$alignment = 8;
+} elsif ($arch eq "riscv") {
+ $function_regex = "^([0-9a-fA-F]+)\\s+<([^.0-9][0-9a-zA-Z_\\.]+)>:";
+ $mcount_regex = "^\\s*([0-9a-fA-F]+):\\sR_RISCV_CALL\\s_mcount\$";
+ $type = ".quad";
+ $alignment = 2;
} else {
die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD";
}