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i386: Use ENTRY/END in assembly codes
Use ENTRY and END in assembly codes so that ENDBR32 will be added at function entries when CET is enabled. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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@ -15,12 +15,10 @@
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <lowlevellock.h>
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.globl pthread_spin_lock
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.type pthread_spin_lock,@function
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.align 16
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pthread_spin_lock:
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ENTRY (pthread_spin_lock)
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mov 4(%esp), %eax
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1: LOCK
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decl 0(%eax)
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@ -34,4 +32,4 @@ pthread_spin_lock:
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cmpl $0, 0(%eax)
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jg 1b
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jmp 2b
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.size pthread_spin_lock,.-pthread_spin_lock
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END (pthread_spin_lock)
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@ -16,15 +16,14 @@
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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.globl pthread_spin_unlock
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.type pthread_spin_unlock,@function
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.align 16
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pthread_spin_unlock:
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#include <sysdep.h>
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ENTRY (pthread_spin_unlock)
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movl 4(%esp), %eax
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movl $1, (%eax)
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xorl %eax, %eax
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ret
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.size pthread_spin_unlock,.-pthread_spin_unlock
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END (pthread_spin_unlock)
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/* The implementation of pthread_spin_init is identical. */
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.globl pthread_spin_init
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@ -16,6 +16,7 @@
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <pthread-errnos.h>
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@ -25,10 +26,7 @@
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# define LOCK lock
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#endif
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.globl pthread_spin_trylock
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.type pthread_spin_trylock,@function
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.align 16
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pthread_spin_trylock:
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ENTRY (pthread_spin_trylock)
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movl 4(%esp), %edx
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movl $1, %eax
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xorl %ecx, %ecx
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@ -43,4 +41,4 @@ pthread_spin_trylock:
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0:
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#endif
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ret
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.size pthread_spin_trylock,.-pthread_spin_trylock
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END (pthread_spin_trylock)
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