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authorSiddhesh Poyarekar <siddhesh@sourceware.org>2021-07-22 18:38:06 +0530
committerSiddhesh Poyarekar <siddhesh@sourceware.org>2021-07-22 18:38:06 +0530
commit9dad716d4d2993f50b165747781244bd7c43bc95 (patch)
treebdd9025b5b9871f75239f7a3f6e86f4c0401eafb /sysdeps/unix/sysv/linux/i386
parentcc35896ea3e4532919ec81b17f36299117debe79 (diff)
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mtrace: Wean away from malloc hooks
Wean mtrace away from the malloc hooks and move them into the debug
DSO.  Split the API away from the implementation so that we can add
the API to libc.so as well as libc_malloc_debug.so, with the libc
implementations being empty.

Update localplt data since memalign no longer has any callers after
this change.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386')
-rw-r--r--sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist2
-rw-r--r--sysdeps/unix/sysv/linux/i386/localplt.data1
2 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist
index c847b1ee49..96955644d5 100644
--- a/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist
@@ -8,6 +8,8 @@ GLIBC_2.0 malloc F
 GLIBC_2.0 mcheck F
 GLIBC_2.0 memalign F
 GLIBC_2.0 mprobe F
+GLIBC_2.0 mtrace F
+GLIBC_2.0 muntrace F
 GLIBC_2.0 pvalloc F
 GLIBC_2.0 realloc F
 GLIBC_2.0 valloc F
diff --git a/sysdeps/unix/sysv/linux/i386/localplt.data b/sysdeps/unix/sysv/linux/i386/localplt.data
index 5334875b4b..f9bf7fb410 100644
--- a/sysdeps/unix/sysv/linux/i386/localplt.data
+++ b/sysdeps/unix/sysv/linux/i386/localplt.data
@@ -4,7 +4,6 @@ libc.so: _Unwind_Find_FDE + REL R_386_GLOB_DAT
 libc.so: calloc + REL R_386_GLOB_DAT
 libc.so: free + REL R_386_GLOB_DAT
 libc.so: malloc + REL R_386_GLOB_DAT
-libc.so: memalign + REL R_386_GLOB_DAT
 libc.so: realloc + REL R_386_GLOB_DAT
 libm.so: matherr + REL R_386_GLOB_DAT
 # The TLS-enabled version of these functions is interposed from libc.so.