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[thirdparty/glibc.git] / sysdeps / powerpc / powerpc32 / fpu / __longjmp-common.S

diff --git a/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S b/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S
index 50b84e89a4beba477873e786e1b153cbe6161fc8..9568599b642e879d14bdcbe4b5108d5f680b2699 100644 (file)
--- a/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S
+++ b/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S
@@ -1,5 +1,5 @@
 /* longjmp for PowerPC.
-   Copyright (C) 1995-2013 Free Software Foundation, Inc.
+   Copyright (C) 1995-2019 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,21 +14,19 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
+#include <stap-probe.h>
 #define _ASM
 #ifdef __NO_VMX__
 # include <novmxsetjmp.h>
 #else
 # include <jmpbuf-offsets.h>
 #endif
-#include <bp-sym.h>
-#include <bp-asm.h>
 
        .machine        "altivec"
-ENTRY (BP_SYM (__longjmp))
-       CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE)
+ENTRY (__longjmp_symbol)
 #ifndef __NO_VMX__
 # ifdef PIC
        mflr    r6
@@ -37,7 +35,7 @@ ENTRY (BP_SYM (__longjmp))
        addis   r5,r5,_GLOBAL_OFFSET_TABLE_-got_label@ha
        addi    r5,r5,_GLOBAL_OFFSET_TABLE_-got_label@l
 #  ifdef SHARED
-#   ifdef IS_IN_rtld
+#   if IS_IN (rtld)
        /* Inside ld.so we use the local alias to avoid runtime GOT
           relocations.  */
        lwz     r5,_rtld_local_ro@got(r5)
@@ -46,16 +44,16 @@ ENTRY (BP_SYM (__longjmp))
 #   endif
        mtlr    r6
        cfi_same_value (lr)
-       lwz     r5,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+4(r5)
+       lwz     r5,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+LOWORD(r5)
 #  else
        lwz     r5,_dl_hwcap@got(r5)
        mtlr    r6
        cfi_same_value (lr)
-       lwz     r5,4(r5)
+       lwz     r5,LOWORD(r5)
 #  endif
 # else
-       lis     r5,(_dl_hwcap+4)@ha
-       lwz     r5,(_dl_hwcap+4)@l(r5)
+       lis     r5,(_dl_hwcap+LOWORD)@ha
+       lwz     r5,(_dl_hwcap+LOWORD)@l(r5)
 # endif
        andis.  r5,r5,(PPC_FEATURE_HAS_ALTIVEC >> 16)
        beq     L(no_vmx)
@@ -146,19 +144,22 @@ L(no_vmx):
 # endif
        PTR_DEMANGLE2 (r0, r25)
 #endif
+       /* longjmp/longjmp_target probe expects longjmp first argument (4@3),
+          second argument (-4@4), and target address (4@0), respectively.  */
+       LIBC_PROBE (longjmp, 3, 4@3, -4@4, 4@0)
        mtlr r0
        lwz r21,((JB_GPRS+7)*4)(r3)
        lfd fp21,((JB_FPRS+7*2)*4)(r3)
        lwz r22,((JB_GPRS+8)*4)(r3)
        lfd fp22,((JB_FPRS+8*2)*4)(r3)
-       lwz r0,(JB_CR*4)(r3)
+       lwz r5,(JB_CR*4)(r3)
        lwz r23,((JB_GPRS+9)*4)(r3)
        lfd fp23,((JB_FPRS+9*2)*4)(r3)
        lwz r24,((JB_GPRS+10)*4)(r3)
        lfd fp24,((JB_FPRS+10*2)*4)(r3)
        lwz r25,((JB_GPRS+11)*4)(r3)
        lfd fp25,((JB_FPRS+11*2)*4)(r3)
-       mtcrf 0xFF,r0
+       mtcrf 0xFF,r5
        lwz r26,((JB_GPRS+12)*4)(r3)
        lfd fp26,((JB_FPRS+12*2)*4)(r3)
        lwz r27,((JB_GPRS+13)*4)(r3)
@@ -171,6 +172,7 @@ L(no_vmx):
        lfd fp30,((JB_FPRS+16*2)*4)(r3)
        lwz r31,((JB_GPRS+17)*4)(r3)
        lfd fp31,((JB_FPRS+17*2)*4)(r3)
+       LIBC_PROBE (longjmp_target, 3, 4@3, -4@4, 4@0)
        mr r3,r4
        blr
-END (BP_SYM (__longjmp))
+END (__longjmp_symbol)