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commit 0455f251f494d30db4b52f11b5b0b7f285f775ef
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Author: H.J. Lu <hjl.tools@gmail.com>
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Date: Sat Feb 1 05:44:55 2020 -0800
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i386: Use ENTRY/END in assembly codes
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Use ENTRY and END in assembly codes so that ENDBR32 will be added at
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function entries when CET is enabled.
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Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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---
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diff --git a/sysdeps/i386/nptl/pthread_spin_lock.S b/sysdeps/i386/nptl/pthread_spin_lock.S
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index 1980fec..8aa081b 100644
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--- a/sysdeps/i386/nptl/pthread_spin_lock.S
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+++ b/sysdeps/i386/nptl/pthread_spin_lock.S
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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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<http://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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diff --git a/sysdeps/i386/nptl/pthread_spin_unlock.S b/sysdeps/i386/nptl/pthread_spin_unlock.S
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index 2e71086..2995001 100644
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--- a/sysdeps/i386/nptl/pthread_spin_unlock.S
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+++ b/sysdeps/i386/nptl/pthread_spin_unlock.S
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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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<http://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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+
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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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diff --git a/sysdeps/i386/pthread_spin_trylock.S b/sysdeps/i386/pthread_spin_trylock.S
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index 686dd8c..42cbdb7 100644
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--- a/sysdeps/i386/pthread_spin_trylock.S
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+++ b/sysdeps/i386/pthread_spin_trylock.S
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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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<http://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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