summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorFacundo Domínguez <facundo.dominguez@tweag.io>2014-08-18 21:50:33 -0500
committerAustin Seipp <austin@well-typed.com>2014-08-18 23:26:19 -0500
commitd2f01000ac07678b971743ebf1650837aad19b9f (patch)
tree3288dec145df9f1587f7cfd7bb8557deeae83ff3
parent0138110125400581dc9872dedfcb21bd50b372f1 (diff)
downloadhaskell-d2f01000ac07678b971743ebf1650837aad19b9f.tar.gz
Have the RTS linker search symbols in the originating windows binary.
Summary: In initLinker, this patch adds the handle of the module corresponding to the program binary to the list of DLL handles that lookupSymbol uses to search for symbols. Test Plan: validate Reviewers: simonmar, austin Reviewed By: simonmar, austin Subscribers: phaskell, simonmar, relrod, ezyang, carter Differential Revision: https://phabricator.haskell.org/D103 GHC Trac Issues: #9382
-rw-r--r--rts/Linker.c20
-rw-r--r--testsuite/tests/rts/all.T4
2 files changed, 15 insertions, 9 deletions
diff --git a/rts/Linker.c b/rts/Linker.c
index a0ad90c6fe..0a81b83d80 100644
--- a/rts/Linker.c
+++ b/rts/Linker.c
@@ -1592,6 +1592,8 @@ static regex_t re_realso;
#ifdef THREADED_RTS
static Mutex dl_mutex; // mutex to protect dlopen/dlerror critical section
#endif
+#elif defined(OBJFORMAT_PEi386)
+void addDLLHandle(pathchar* dll_name, HINSTANCE instance);
#endif
void initLinker (void)
@@ -1689,6 +1691,7 @@ initLinker_ (int retain_cafs)
*/
addDLL(WSTR("msvcrt"));
addDLL(WSTR("kernel32"));
+ addDLLHandle(WSTR("*.exe"), GetModuleHandle(NULL));
#endif
IF_DEBUG(linker, debugBelch("initLinker: done\n"));
@@ -1753,6 +1756,16 @@ typedef
/* A list thereof. */
static IndirectAddr* indirects = NULL;
+/* Adds a DLL instance to the list of DLLs in which to search for symbols. */
+void addDLLHandle(pathchar* dll_name, HINSTANCE instance) {
+ OpenedDLL* o_dll;
+ o_dll = stgMallocBytes( sizeof(OpenedDLL), "addDLLHandle" );
+ o_dll->name = dll_name ? pathdup(dll_name) : NULL;
+ o_dll->instance = instance;
+ o_dll->next = opened_dlls;
+ opened_dlls = o_dll;
+}
+
#endif
# if defined(OBJFORMAT_ELF) || defined(OBJFORMAT_MACHO)
@@ -1960,12 +1973,7 @@ addDLL( pathchar *dll_name )
}
stgFree(buf);
- /* Add this DLL to the list of DLLs in which to search for symbols. */
- o_dll = stgMallocBytes( sizeof(OpenedDLL), "addDLL" );
- o_dll->name = pathdup(dll_name);
- o_dll->instance = instance;
- o_dll->next = opened_dlls;
- opened_dlls = o_dll;
+ addDLLHandle(dll_name, instance);
return NULL;
diff --git a/testsuite/tests/rts/all.T b/testsuite/tests/rts/all.T
index e9d3ff917e..59114bdb6d 100644
--- a/testsuite/tests/rts/all.T
+++ b/testsuite/tests/rts/all.T
@@ -231,9 +231,7 @@ test('T9045', [ omit_ways(['ghci']), extra_run_opts('10000 +RTS -A8k -RTS') ], c
# with the non-threaded one.
test('T9078', [ omit_ways(threaded_ways) ], compile_and_run, ['-with-rtsopts="-DS" -debug'])
-# -rdynamic is implemented in windows, but the RTS linker does
-# not pickup yet the symbols exported in executables.
-test('rdynamic', unless(opsys('linux'), skip),
+test('rdynamic', unless(opsys('linux') or opsys('mingw32'), skip),
compile_and_run, ['-rdynamic -package ghc'])
# 251 = RTS exit code for "out of memory"