commit 9cf99cbad89c8495828788ce693a99ced434f66f
author Dimitry Ivanov <dimitry@google.com> Fri Dec 11 14:22:24 2015 -0800
committer Dimitry Ivanov <dimitry@google.com> Wed Dec 16 15:24:13 2015 -0800
tree fa089662db2475f6e4e1260f029fcab805eb0a96
parent d3e5301a75256171199b23f6ba2c6651d05ce5f1

linker: add dlvsym(3)

This changes implements dlvsym - dlsym for versioned symbols.

Bug: http://b/22865643
Change-Id: Ic90a60d512104261a1416c43f9100f0d88e3b46f

libdl/libdl.arm.map

diff --git a/libdl/libdl.arm.map b/libdl/libdl.arm.map
index 5ad9f9d..b9e494a 100644
--- a/libdl/libdl.arm.map
+++ b/libdl/libdl.arm.map
@@ -18,6 +18,7 @@
   global:
     android_init_namespaces;
     android_create_namespace;
+    dlvsym;
 } LIBC;
 
 LIBC_PRIVATE {

libdl/libdl.arm64.map

diff --git a/libdl/libdl.arm64.map b/libdl/libdl.arm64.map
index 3535774..a8c98da 100644
--- a/libdl/libdl.arm64.map
+++ b/libdl/libdl.arm64.map
@@ -17,6 +17,7 @@
   global:
     android_init_namespaces;
     android_create_namespace;
+    dlvsym;
 } LIBC;
 
 LIBC_PRIVATE {

libdl/libdl.c

diff --git a/libdl/libdl.c b/libdl/libdl.c
index af2f83e..0604d3e 100644
--- a/libdl/libdl.c
+++ b/libdl/libdl.c
@@ -24,9 +24,17 @@
 // in the dynamic linker and hijacked at runtime.
 
 void* dlopen(const char* filename __unused, int flag __unused) { return 0; }
+
 const char* dlerror(void) { return 0; }
+
 void* dlsym(void* handle __unused, const char* symbol __unused) { return 0; }
+
+void* dlvsym(void* handle __unused, const char* symbol __unused, const char* version __unused) {
+  return 0;
+}
+
 int dladdr(const void* addr __unused, Dl_info* info __unused) { return 0; }
+
 int dlclose(void* handle __unused) { return 0; }
 
 #if defined(__arm__)

libdl/libdl.map.txt

diff --git a/libdl/libdl.map.txt b/libdl/libdl.map.txt
index 8d123fe..55a03cb 100644
--- a/libdl/libdl.map.txt
+++ b/libdl/libdl.map.txt
@@ -32,6 +32,7 @@
   global:
     android_init_namespaces;
     android_create_namespace;
+    dlvsym;
 } LIBC;
 
 LIBC_PRIVATE {

libdl/libdl.mips.map

diff --git a/libdl/libdl.mips.map b/libdl/libdl.mips.map
index 3535774..a8c98da 100644
--- a/libdl/libdl.mips.map
+++ b/libdl/libdl.mips.map
@@ -17,6 +17,7 @@
   global:
     android_init_namespaces;
     android_create_namespace;
+    dlvsym;
 } LIBC;
 
 LIBC_PRIVATE {

libdl/libdl.mips64.map

diff --git a/libdl/libdl.mips64.map b/libdl/libdl.mips64.map
index 3535774..a8c98da 100644
--- a/libdl/libdl.mips64.map
+++ b/libdl/libdl.mips64.map
@@ -17,6 +17,7 @@
   global:
     android_init_namespaces;
     android_create_namespace;
+    dlvsym;
 } LIBC;
 
 LIBC_PRIVATE {

libdl/libdl.x86.map

diff --git a/libdl/libdl.x86.map b/libdl/libdl.x86.map
index 3535774..a8c98da 100644
--- a/libdl/libdl.x86.map
+++ b/libdl/libdl.x86.map
@@ -17,6 +17,7 @@
   global:
     android_init_namespaces;
     android_create_namespace;
+    dlvsym;
 } LIBC;
 
 LIBC_PRIVATE {

libdl/libdl.x86_64.map

diff --git a/libdl/libdl.x86_64.map b/libdl/libdl.x86_64.map
index 3535774..a8c98da 100644
--- a/libdl/libdl.x86_64.map
+++ b/libdl/libdl.x86_64.map
@@ -17,6 +17,7 @@
   global:
     android_init_namespaces;
     android_create_namespace;
+    dlvsym;
 } LIBC;
 
 LIBC_PRIVATE {