From ddce84f1c0aa11eabfc5f18eef66ec757a415d28 Mon Sep 17 00:00:00 2001 From: John David Anglin Date: Tue, 21 Jun 2016 18:35:22 -0400 Subject: [PATCH] hppa: fix loading of global pointer in _start [BZ #20277] The patched change fixes a regression for executables compiled with the -p option and linked with gcrt1.o. The executables crash on startup. This regression was introduced in 2.22 and was noticed in the gcc testsuite. (cherry picked from commit 9765ffa71030efd8bb4f2ea4ed6e020fcb4bb714) --- ChangeLog | 6 ++++++ NEWS | 1 + sysdeps/hppa/start.S | 2 ++ 3 files changed, 9 insertions(+) diff --git a/ChangeLog b/ChangeLog index d92460831ae..c2c8d7e5216 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2016-06-30 John David Anglin + + [BZ #20277] + * sysdeps/hppa/start.S (_start): Correct loading of global pointer + when SHARED is defined. + 2016-06-30 Aurelien Jarno * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Regenerated. diff --git a/NEWS b/NEWS index 532cfe2f626..07f3fe8569d 100644 --- a/NEWS +++ b/NEWS @@ -34,6 +34,7 @@ The following bugs are resolved with this release: [19822] libm.so install clobbers old version [19879] network: nss_dns: Stack overflow in getnetbyname implementation (CVE-2016-3075) + [20177] $dp is not initialized correctly in sysdeps/hppa/start.S Version 2.23 diff --git a/sysdeps/hppa/start.S b/sysdeps/hppa/start.S index 90d4331f5ab..b7ab830e924 100644 --- a/sysdeps/hppa/start.S +++ b/sysdeps/hppa/start.S @@ -131,8 +131,10 @@ _start: stw %sp, -60(%sp) #ifdef SHARED + /* load global */ addil LT'.Lp__global, %r19 ldw RT'.Lp__global(%r1), %dp + ldw 0(%dp), %dp #else /* load global */ ldil L%$global$, %dp -- 2.47.2