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author | Rich Felker <dalias@aerifal.cx> | 2013-06-29 12:46:46 -0400 |
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committer | Rich Felker <dalias@aerifal.cx> | 2013-06-29 12:46:46 -0400 |
commit | 780cbbe63ad9e60ef30dbcb2d74271e899dae245 (patch) | |
tree | 3bf8cf88f80325893848c6f460bdb4478c76b60d | |
parent | 2b0af609ef3d90fe6433270f2e2f62fc77ec7441 (diff) | |
download | musl-780cbbe63ad9e60ef30dbcb2d74271e899dae245.tar.gz musl-780cbbe63ad9e60ef30dbcb2d74271e899dae245.tar.bz2 musl-780cbbe63ad9e60ef30dbcb2d74271e899dae245.tar.xz musl-780cbbe63ad9e60ef30dbcb2d74271e899dae245.zip |
implement minimal dlinfo function
-rw-r--r-- | include/dlfcn.h | 3 | ||||
-rw-r--r-- | src/ldso/dlinfo.c | 8 | ||||
-rw-r--r-- | src/ldso/dynlink.c | 12 |
3 files changed, 23 insertions, 0 deletions
diff --git a/include/dlfcn.h b/include/dlfcn.h index e2f57b53..db26194b 100644 --- a/include/dlfcn.h +++ b/include/dlfcn.h @@ -17,6 +17,8 @@ extern "C" { #define RTLD_NEXT ((void *)-1) #define RTLD_DEFAULT ((void *)0) +#define RTLD_DI_LINKMAP 2 + int dlclose(void *); char *dlerror(void); void *dlopen(const char *, int); @@ -30,6 +32,7 @@ typedef struct { void *dli_saddr; } Dl_info; int dladdr(void *, Dl_info *); +int dlinfo(void *, int, void *); #endif #ifdef __cplusplus diff --git a/src/ldso/dlinfo.c b/src/ldso/dlinfo.c new file mode 100644 index 00000000..4748eaf8 --- /dev/null +++ b/src/ldso/dlinfo.c @@ -0,0 +1,8 @@ +#include <dlfcn.h> + +int __dlinfo(void *, int, void *); + +int dlinfo(void *dso, int req, void *res) +{ + return __dlinfo(dso, req, res); +} diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c index ac4b669f..7031d03a 100644 --- a/src/ldso/dynlink.c +++ b/src/ldso/dynlink.c @@ -1273,6 +1273,18 @@ int __dladdr (void *addr, Dl_info *info) } #endif +int __dlinfo(void *dso, int req, void *res) +{ + if (invalid_dso_handle(dso)) return -1; + if (req != RTLD_DI_LINKMAP) { + snprintf(errbuf, sizeof errbuf, "Unsupported request %d", req); + errflag = 1; + return -1; + } + *(struct link_map **)res = dso; + return 0; +} + char *dlerror() { if (!errflag) return 0; |