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arch: arm: cortex_m: add ip & lr to the clobber list #75607

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merged 1 commit into from
Jul 10, 2024
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arch: arm: cortex_m: add ip & lr to the clobber list #75607

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4 changes: 2 additions & 2 deletions arch/arm/core/cortex_m/thread.c
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Original file line number Diff line number Diff line change
Expand Up @@ -588,7 +588,7 @@ void arch_switch_to_main_thread(struct k_thread *main_thread, char *stack_ptr,
"bx r4\n" /* We don’t intend to return, so there is no need to link. */
: "+r" (_main)
: "r" (stack_ptr)
: "r0", "r1", "r2", "r3", "r4");
: "r0", "r1", "r2", "r3", "r4", "ip", "lr");

CODE_UNREACHABLE;
}
Expand Down Expand Up @@ -659,7 +659,7 @@ FUNC_NORETURN void z_arm_switch_to_main_no_multithreading(
#ifdef CONFIG_BUILTIN_STACK_GUARD
, [_psplim]"r" (psplim)
#endif
: "r0", "r1", "r2", "r3"
: "r0", "r1", "r2", "ip", "lr"
);

CODE_UNREACHABLE; /* LCOV_EXCL_LINE */
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