[PATCH] ftrace: scripts/recordmcount.pl cross-build hack

[Ingo Molnar]

hack around:

 ld: Relocatable linking with relocations from format elf32-i386 (init/.tmp_gl_calibrate.o) to format elf64-x86-64 (init/.tmp_mx_calibrate.o) i  CC      arch/x86/mm/extable.o
 objcopy: 'init/.tmp_mx_calibrate.o': No such file
 rm: cannot remove `init/.tmp_mx_calibrate.o': No such file or directory
 ld: Relocatable linking with relocations from format elf32-i386 (arch/x86/mm/extable.o) to format elf64-x86-64 (arch/x86/mm/.tmp_mx_extable.o) is not supported
 mv: cannot stat `arch/x86/mm/.tmp_mx_extable.o': No such file or directory
 ld: Relocatable linking with relocations from format elf32-i386 (arch/x86/mm/fault.o) to format elf64-x86-64 (arch/x86/mm/.tmp_mx_fault.o) is not supported

Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 scripts/recordmcount.pl |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 44b4b23..41b55e0 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -108,6 +108,20 @@ if ($#ARGV < 6) {
 
 my ($arch, $objdump, $objcopy, $cc, $ld, $nm, $rm, $mv, $inputfile) = @ARGV;
 
+if ($arch eq "i386") {
+  $ld = "ld -m elf_i386";
+  $objdump = "objdump -M i386";
+  $objcopy = "objcopy -O elf32-i386";
+  $cc = "gcc -m32";
+}
+
+if ($arch eq "x86_64") {
+  $ld = "ld -m elf_x86_64";
+  $objdump = "objdump -M x86-64";
+  $objcopy = "objcopy -O elf64-i386";
+  $cc = "gcc -m64";
+}
+
 $objdump = "objdump" if ((length $objdump) == 0);
 $objcopy = "objcopy" if ((length $objcopy) == 0);
 $cc = "gcc" if ((length $cc) == 0);
--
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