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| author | Ralf Habacker <ralf.habacker@freenet.de> | 2020-12-11 14:32:52 +0100 |
|---|---|---|
| committer | Ralf Habacker <ralf.habacker@freenet.de> | 2021-01-17 12:51:39 +0100 |
| commit | 0ea2334d46ca84c1a27bd086700f620a06401f94 (patch) | |
| tree | 89e768d6c77492dee9cf6b520d562b8e35a7cee5 /src/dlfcn.h | |
| parent | 06ffb62a31f8986d1cda864bb8c3a8967d5a65fa (diff) | |
| download | dlfcn-win32-0ea2334d46ca84c1a27bd086700f620a06401f94.tar.gz dlfcn-win32-0ea2334d46ca84c1a27bd086700f620a06401f94.tar.bz2 dlfcn-win32-0ea2334d46ca84c1a27bd086700f620a06401f94.zip | |
Add function dladdr() and associated test application test-dladdr
Diffstat (limited to 'src/dlfcn.h')
| -rw-r--r-- | src/dlfcn.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/dlfcn.h b/src/dlfcn.h index 9ddbba3..164216f 100644 --- a/src/dlfcn.h +++ b/src/dlfcn.h | |||
| @@ -28,9 +28,13 @@ | |||
| 28 | extern "C" { | 28 | extern "C" { |
| 29 | #endif | 29 | #endif |
| 30 | 30 | ||
| 31 | #if defined(DLFCN_WIN32_SHARED) | ||
| 31 | #if defined(DLFCN_WIN32_EXPORTS) | 32 | #if defined(DLFCN_WIN32_EXPORTS) |
| 32 | # define DLFCN_EXPORT __declspec(dllexport) | 33 | # define DLFCN_EXPORT __declspec(dllexport) |
| 33 | #else | 34 | #else |
| 35 | # define DLFCN_EXPORT __declspec(dllimport) | ||
| 36 | #endif | ||
| 37 | #else | ||
| 34 | # define DLFCN_EXPORT | 38 | # define DLFCN_EXPORT |
| 35 | #endif | 39 | #endif |
| 36 | 40 | ||
| @@ -59,6 +63,15 @@ extern "C" { | |||
| 59 | /* Specifies the next object after this one that defines name. */ | 63 | /* Specifies the next object after this one that defines name. */ |
| 60 | #define RTLD_NEXT ((void *)-1) | 64 | #define RTLD_NEXT ((void *)-1) |
| 61 | 65 | ||
| 66 | /* Structure filled in by dladdr() */ | ||
| 67 | typedef struct dl_info | ||
| 68 | { | ||
| 69 | const char *dli_fname; /* Filename of defining object (thread unsafe and reused on every call to dladdr) */ | ||
| 70 | void *dli_fbase; /* Load address of that object */ | ||
| 71 | const char *dli_sname; /* Name of nearest lower symbol */ | ||
| 72 | void *dli_saddr; /* Exact value of nearest symbol */ | ||
| 73 | } Dl_info; | ||
| 74 | |||
| 62 | /* Open a symbol table handle. */ | 75 | /* Open a symbol table handle. */ |
| 63 | DLFCN_EXPORT void *dlopen(const char *file, int mode); | 76 | DLFCN_EXPORT void *dlopen(const char *file, int mode); |
| 64 | 77 | ||
| @@ -71,6 +84,9 @@ DLFCN_EXPORT void *dlsym(void *handle, const char *name); | |||
| 71 | /* Get diagnostic information. */ | 84 | /* Get diagnostic information. */ |
| 72 | DLFCN_EXPORT char *dlerror(void); | 85 | DLFCN_EXPORT char *dlerror(void); |
| 73 | 86 | ||
| 87 | /* Translate address to symbolic information (no POSIX standard) */ | ||
| 88 | DLFCN_EXPORT int dladdr(void *addr, Dl_info *info); | ||
| 89 | |||
| 74 | #ifdef __cplusplus | 90 | #ifdef __cplusplus |
| 75 | } | 91 | } |
| 76 | #endif | 92 | #endif |