From a23c28ec0d1cd67d25972181f613ef6dbfe4e299 Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Wed, 2 Jun 2021 07:32:20 +0200 Subject: dlfcn: Move dlerror into libc The symbol was moved using scripts/move-symbol-to-libc.py. There is a minor functionality enhancement: dlerror now sets errno if it was set as part of the exception. (This is the result of using %m in asprintf, to avoid the strerror PLT call.) The previous errno value upon function return was unpredictable. Documenting this as a feature is premature; we need to make sure that the error codes are meaningful when they are set by the dynamic loader. Reviewed-by: Adhemerval Zanella --- sysdeps/unix/sysv/linux/sh/be/libc.abilist | 2 ++ sysdeps/unix/sysv/linux/sh/be/libdl.abilist | 1 - sysdeps/unix/sysv/linux/sh/le/libc.abilist | 2 ++ sysdeps/unix/sysv/linux/sh/le/libdl.abilist | 1 - 4 files changed, 4 insertions(+), 2 deletions(-) (limited to 'sysdeps/unix/sysv/linux/sh') diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist index 0fab90e1e3..a0b0006997 100644 --- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist +++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist @@ -2,6 +2,7 @@ GCC_3.0 _Unwind_Find_FDE F GCC_3.0 __deregister_frame_info_bases F GCC_3.0 __register_frame_info_bases F GCC_3.0 __register_frame_info_table_bases F +GLIBC_2.0 dlerror F GLIBC_2.10 __cxa_at_quick_exit F GLIBC_2.10 __posix_getopt F GLIBC_2.10 accept4 F @@ -2245,6 +2246,7 @@ GLIBC_2.34 cnd_init F GLIBC_2.34 cnd_signal F GLIBC_2.34 cnd_timedwait F GLIBC_2.34 cnd_wait F +GLIBC_2.34 dlerror F GLIBC_2.34 execveat F GLIBC_2.34 mtx_destroy F GLIBC_2.34 mtx_init F diff --git a/sysdeps/unix/sysv/linux/sh/be/libdl.abilist b/sysdeps/unix/sysv/linux/sh/be/libdl.abilist index 7826fde951..62dfb3059d 100644 --- a/sysdeps/unix/sysv/linux/sh/be/libdl.abilist +++ b/sysdeps/unix/sysv/linux/sh/be/libdl.abilist @@ -1,6 +1,5 @@ GLIBC_2.0 dladdr F GLIBC_2.0 dlclose F -GLIBC_2.0 dlerror F GLIBC_2.0 dlopen F GLIBC_2.0 dlsym F GLIBC_2.1 dlopen F diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist index 2f3a64b580..12f05ed141 100644 --- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist +++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist @@ -2,6 +2,7 @@ GCC_3.0 _Unwind_Find_FDE F GCC_3.0 __deregister_frame_info_bases F GCC_3.0 __register_frame_info_bases F GCC_3.0 __register_frame_info_table_bases F +GLIBC_2.0 dlerror F GLIBC_2.10 __cxa_at_quick_exit F GLIBC_2.10 __posix_getopt F GLIBC_2.10 accept4 F @@ -2242,6 +2243,7 @@ GLIBC_2.34 cnd_init F GLIBC_2.34 cnd_signal F GLIBC_2.34 cnd_timedwait F GLIBC_2.34 cnd_wait F +GLIBC_2.34 dlerror F GLIBC_2.34 execveat F GLIBC_2.34 mtx_destroy F GLIBC_2.34 mtx_init F diff --git a/sysdeps/unix/sysv/linux/sh/le/libdl.abilist b/sysdeps/unix/sysv/linux/sh/le/libdl.abilist index 7826fde951..62dfb3059d 100644 --- a/sysdeps/unix/sysv/linux/sh/le/libdl.abilist +++ b/sysdeps/unix/sysv/linux/sh/le/libdl.abilist @@ -1,6 +1,5 @@ GLIBC_2.0 dladdr F GLIBC_2.0 dlclose F -GLIBC_2.0 dlerror F GLIBC_2.0 dlopen F GLIBC_2.0 dlsym F GLIBC_2.1 dlopen F -- cgit 1.4.1