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/m68k/coldfire/libc.abilist | 2 ++ sysdeps/unix/sysv/linux/m68k/coldfire/libdl.abilist | 1 - sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist | 2 ++ sysdeps/unix/sysv/linux/m68k/m680x0/libdl.abilist | 1 - 4 files changed, 4 insertions(+), 2 deletions(-) (limited to 'sysdeps/unix/sysv/linux/m68k') diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist index 093854ad85..8cc0f0402f 100644 --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist @@ -208,6 +208,7 @@ 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 @@ -1006,6 +1007,7 @@ GLIBC_2.4 dirfd F GLIBC_2.4 dirname F GLIBC_2.4 div F GLIBC_2.4 dl_iterate_phdr F +GLIBC_2.4 dlerror F GLIBC_2.4 dngettext F GLIBC_2.4 dprintf F GLIBC_2.4 drand48 F diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libdl.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libdl.abilist index 40132b1374..1951f0a9af 100644 --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libdl.abilist +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libdl.abilist @@ -1,7 +1,6 @@ GLIBC_2.4 dladdr F GLIBC_2.4 dladdr1 F GLIBC_2.4 dlclose F -GLIBC_2.4 dlerror F GLIBC_2.4 dlinfo F GLIBC_2.4 dlmopen F GLIBC_2.4 dlopen F diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist index 87554f1468..9df60dda8a 100644 --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist @@ -396,6 +396,7 @@ GLIBC_2.0 difftime F GLIBC_2.0 dirfd F GLIBC_2.0 dirname F GLIBC_2.0 div F +GLIBC_2.0 dlerror F GLIBC_2.0 dprintf F GLIBC_2.0 drand48 F GLIBC_2.0 drand48_r F @@ -2365,6 +2366,7 @@ 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/m68k/m680x0/libdl.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libdl.abilist index 7826fde951..62dfb3059d 100644 --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libdl.abilist +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/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 v1.2.3-70-g09d2