From: Samuel Thibault <samuel.thibault@ens-lyon.org>
To: libc-alpha@sourceware.org
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Subject: [hurd,commited 8/8] hurd: Whitelist PLT refs which are difficult to avoid
Date: Sat, 16 Jun 2018 01:06:00 -0000 [thread overview]
Message-ID: <20180616010627.29577-8-samuel.thibault@ens-lyon.org> (raw)
In-Reply-To: <20180616010627.29577-1-samuel.thibault@ens-lyon.org>
* sysdeps/mach/hurd/localplt.data (siglongjmp, longjmp,
__libc_lseek64, _IO_funlockfile): Whitelist PLT references.
---
ChangeLog | 2 ++
sysdeps/mach/hurd/localplt.data | 8 ++++++++
2 files changed, 10 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index 8c4b6ccd2f..2fc3a71c21 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -29,6 +29,8 @@
* sysdeps/mach/include/mach/mach_traps.h (__mach_reply_port,
__mach_thread_self, __mach_task_self, __mach_host_self, __swtch,
__swtch_pri, __thread_switch, __evc_wait): Add hidden prototypes.
+ * sysdeps/mach/hurd/localplt.data (siglongjmp, longjmp,
+ __libc_lseek64, _IO_funlockfile): Whitelist PLT references.
2018-06-15 Joseph Myers <joseph@codesourcery.com>
diff --git a/sysdeps/mach/hurd/localplt.data b/sysdeps/mach/hurd/localplt.data
index 58d119e3b9..a1f1ae626a 100644
--- a/sysdeps/mach/hurd/localplt.data
+++ b/sysdeps/mach/hurd/localplt.data
@@ -52,3 +52,11 @@ ld.so: _dl_init_first
ld.so: _dl_mcount
ld.so: ___tls_get_addr
ld.so: __tunable_get_val
+
+# These should ideally be avoided, but is currently difficult
+libc.so: siglongjmp ?
+libc.so: longjmp ?
+# This is from lseek.c
+libc.so: __libc_lseek64 ?
+# This is through cleanup_region_start from vfprintf.c
+libc.so: _IO_funlockfile ?
--
2.17.1
next prev parent reply other threads:[~2018-06-16 1:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-16 1:06 [hurd,commited 1/8] hurd: avoid PLT ref between sendfile and sendfile64 Samuel Thibault
2018-06-16 1:06 ` [hurd,commited 5/8] hurd: Avoid PLT references to shortcuts Samuel Thibault
2018-06-16 1:06 ` [hurd,commited 6/8] hurd: Avoid PLT ref to __mach_msg Samuel Thibault
2018-06-16 1:06 ` [hurd,commited 7/8] hurd: Avoid PLT references to syscalls Samuel Thibault
2018-06-16 1:06 ` [hurd,commited 2/8] hurd: Detect 32bit overflow in value returned by lseek Samuel Thibault
2018-06-16 1:06 ` [hurd,commited 4/8] hurd: Avoid missing PLT ref from ld.so requirement Samuel Thibault
2018-06-16 1:06 ` Samuel Thibault [this message]
2018-06-16 1:15 ` [hurd,commited 3/8] hurd: Avoid PLT ref for __pthread_get_cleanup_stack Samuel Thibault
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