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authorShawn Nematbakhsh <shawnn@chromium.org>2016-08-05 00:03:14 -0700
committerchrome-bot <chrome-bot@chromium.org>2016-08-07 21:43:53 -0700
commit1fac91707184ef5466148e5dbc3418704475e488 (patch)
treeb9c05e60404cc8ebe2bf198e826b7e0aa5e5692b /core/cortex-m0
parenta9b4ae1f5a9fd3ada8709d0d39e6f694bf8f6423 (diff)
downloadchrome-ec-1fac91707184ef5466148e5dbc3418704475e488.tar.gz
core: Don't discard irqprio table entries due to LTO
Add __keep attribute to irqprio entries to ensure they are not dropped when CONFIG_LTO is enabled. BUG=chrome-os-partner:55920 BRANCH=None TEST=Manual on kevin. Check build/RO/ec.RO.map, verify that .rodata.irqprio section is not empty. Change-Id: I51ae23556d6f46b2cd7ba098f0e7a785292b2853 Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/366571 Commit-Ready: Shawn N <shawnn@chromium.org> Tested-by: Shawn N <shawnn@chromium.org> Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Diffstat (limited to 'core/cortex-m0')
-rw-r--r--core/cortex-m0/irq_handler.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/core/cortex-m0/irq_handler.h b/core/cortex-m0/irq_handler.h
index 7acf640c02..22a72ebf98 100644
--- a/core/cortex-m0/irq_handler.h
+++ b/core/cortex-m0/irq_handler.h
@@ -28,14 +28,14 @@
routine(); \
task_end_irq_handler(ret); \
} \
- const struct irq_priority IRQ_PRIORITY(irq) \
+ const struct irq_priority __keep IRQ_PRIORITY(irq) \
__attribute__((section(".rodata.irqprio"))) \
= {irq, priority}
#else /* CONFIG_TASK_PROFILING */
/* No Profiling : connect directly the IRQ vector */
#define DECLARE_IRQ_(irq, routine, priority) \
void IRQ_HANDLER(irq)(void) __attribute__((alias(STRINGIFY(routine))));\
- const struct irq_priority IRQ_PRIORITY(irq) \
+ const struct irq_priority __keep IRQ_PRIORITY(irq) \
__attribute__((section(".rodata.irqprio"))) \
= {irq, priority}
#endif /* CONFIG_TASK_PROFILING */