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armv7: mark EABI compatibility symbols as used 

These symbols are not used anywhere in our C code, so
when using GCC's link time optimization feature they
will be dropped even though they're needed by libgcc.
Hence we need to mark them as used so GCC does not stumble
and fall over its own guts.

Change-Id: Ib2e9ea2610b57ab8244d5b699dd56025a4f08a01
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: https://chromium-review.googlesource.com/168773
(cherry picked from commit 416ffc880bcf4122b5430fbd9d9547c83886af2f)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6640
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Stefan Reinauer 2013-09-10 11:02:58 -07:00 committed by Isaac Christensen
parent 509c37e750
commit d96541f3fc
1 changed files with 3 additions and 3 deletions
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6
src/arch/armv7/eabi_compat.c
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@ -12,7 +12,7 @@
#include <console/console.h> #include <console/console.h>
/* FIXME(dhendrix): prototypes added for assembler */ /* FIXME(dhendrix): prototypes added for assembler */
int raise (int signum); int raise (int signum) __attribute__((used));
int raise (int signum) int raise (int signum)
{ {
printk(BIOS_CRIT, "raise: Signal # %d caught\n", signum); printk(BIOS_CRIT, "raise: Signal # %d caught\n", signum);
@ -20,12 +20,12 @@ int raise (int signum)
} }
/* Dummy function to avoid linker complaints */ /* Dummy function to avoid linker complaints */
void __aeabi_unwind_cpp_pr0(void); void __aeabi_unwind_cpp_pr0(void) __attribute__((used));
void __aeabi_unwind_cpp_pr0(void) void __aeabi_unwind_cpp_pr0(void)
{ {
}; };
void __aeabi_unwind_cpp_pr1(void); void __aeabi_unwind_cpp_pr1(void) __attribute__((used));
void __aeabi_unwind_cpp_pr1(void) void __aeabi_unwind_cpp_pr1(void)
{ {
}; };