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Unlike the ELF specs, BeOS ignores the path of shared objects specified by the DT_NEEDED

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element. We now soften the rule that the absolute path should be used, and give libraries
another chance and search them in the standard search paths. This fixes bug #601 and lets
Becasso run on Haiku.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@17669 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2006-05-31 15:59:42 +00:00
parent 3b5cc3b1f3
commit 3728e62e88
2 changed files with 22 additions and 6 deletions
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src/system/runtime_loader/Jamfile
+1 -1
View File
@@ -8,7 +8,7 @@ UseHeaders $(TARGET_PRIVATE_KERNEL_HEADERS) : true ;
SubDirCcFlags -fno-builtin ;
SubDirC++Flags -fno-builtin -fno-exceptions ;
# needed for rld.so only
# needed for "runtime_loader" only
StaticLibrary libruntime_loader.a :
kernel_vsprintf.c
:
src/system/runtime_loader/runtime_loader.c
+21 -5
View File
@@ -18,6 +18,14 @@
#include <sys/stat.h>
//#define TRACE_RLD
#ifdef TRACE_RLD
# define TRACE(x) printf x
#else
# define TRACE(x) ;
#endif
struct uspace_program_args *gProgramArgs;
@@ -114,7 +122,7 @@ try_open_executable(const char *dir, int dirLen, const char *name, char *path,
strcpy(path + dirLen + 1, name);
}
//TRACE(("rld.so: try_open_container(): %s\n", path));
TRACE(("runtime_loader: try_open_container(): %s\n", path));
return _kern_open(-1, path, O_RDONLY, 0);
}
@@ -127,8 +135,8 @@ search_executable_in_path_list(const char *name, const char *pathList,
const char *pathListEnd = pathList + pathListLen;
status_t status = B_ENTRY_NOT_FOUND;
//TRACE(("rld.so: search_container_in_path_list() %s in %.*s\n", name,
// pathListLen, pathList));
TRACE(("runtime_loader: search_container_in_path_list() %s in %.*s\n", name,
pathListLen, pathList));
while (pathListLen > 0) {
const char *pathEnd = pathList;
@@ -169,7 +177,15 @@ open_executable(char *name, image_type type, const char *rpath)
if (strchr(name, '/')) {
// the name already contains a path, we don't have to search for it
return _kern_open(-1, name, O_RDONLY, 0);
fd = _kern_open(-1, name, O_RDONLY, 0);
if (fd >= 0 || type != B_LIBRARY_IMAGE)
return fd;
// Even though ELF specs don't say this, we give shared libraries
// another chance and look them up in the usual search paths - at
// least that seems to be what BeOS does, and since it doesn't hurt...
paths = strrchr(name, '/');
memmove(name, paths, strlen(paths) + 1);
}
// first try rpath (DT_RPATH)
@@ -202,7 +218,7 @@ open_executable(char *name, image_type type, const char *rpath)
if (fd >= 0) {
// we found it, copy path!
//TRACE(("rld.so: open_container(%s): found at %s\n", name, buffer));
TRACE(("runtime_loader: open_container(%s): found at %s\n", name, buffer));
strlcpy(name, buffer, PATH_MAX);
}