diff options
Diffstat (limited to 'load.c')
-rw-r--r-- | load.c | 43 |
1 files changed, 28 insertions, 15 deletions
@@ -58,12 +58,12 @@ init_symbol (const struct floc *flocp, const char *ldname, load_func_t symp) } int -load_file (const struct floc *flocp, const char *ldname, int noerror) +load_file (const struct floc *flocp, const char **ldname, int noerror) { load_func_t symp; const char *fp; char *symname = NULL; - char *new = alloca (strlen (ldname) + CSTRLEN (SYMBOL_EXTENSION) + 1); + char *new = alloca (strlen (*ldname) + CSTRLEN (SYMBOL_EXTENSION) + 1); if (! global_dl) { @@ -73,27 +73,27 @@ load_file (const struct floc *flocp, const char *ldname, int noerror) } /* If a symbol name was provided, use it. */ - fp = strchr (ldname, '('); + fp = strchr (*ldname, '('); if (fp) { const char *ep; - /* If there's an open paren, see if there's a close paren: if so use + /* There's an open paren, so see if there's a close paren: if so use that as the symbol name. We can't have whitespace: it would have been chopped up before this function is called. */ ep = strchr (fp+1, ')'); if (ep && ep[1] == '\0') { - int l = fp - ldname;; + int l = fp - *ldname;; ++fp; if (fp == ep) - fatal (flocp, _("Empty symbol name for load: %s"), ldname); + fatal (flocp, _("Empty symbol name for load: %s"), *ldname); /* Make a copy of the ldname part. */ - memcpy (new, ldname, l); + memcpy (new, *ldname, l); new[l] = '\0'; - ldname = new; + *ldname = new; /* Make a copy of the symbol name part. */ symname = new + l + 1; @@ -102,14 +102,17 @@ load_file (const struct floc *flocp, const char *ldname, int noerror) } } + /* Add this name to the string cache so it can be reused later. */ + *ldname = strcache_add (*ldname); + /* If we didn't find a symbol name yet, construct it from the ldname. */ if (! symname) { char *p = new; - fp = strrchr (ldname, '/'); + fp = strrchr (*ldname, '/'); if (!fp) - fp = ldname; + fp = *ldname; else ++fp; while (isalnum (*fp) || *fp == '_') @@ -118,12 +121,22 @@ load_file (const struct floc *flocp, const char *ldname, int noerror) symname = new; } - DB (DB_VERBOSE, (_("Loading symbol %s from %s\n"), symname, ldname)); + DB (DB_VERBOSE, (_("Loading symbol %s from %s\n"), symname, *ldname)); /* See if it's already defined. */ symp = (load_func_t) dlsym (global_dl, symname); if (! symp) { - void *dlp = dlopen (ldname, RTLD_LAZY|RTLD_GLOBAL); + void *dlp = NULL; + + /* If the path has no "/", try the current directory first. */ + if (! strchr (*ldname, '/')) + dlp = dlopen (concat (2, "./", *ldname), RTLD_LAZY|RTLD_GLOBAL); + + /* If we haven't opened it yet, try the default search path. */ + if (! dlp) + dlp = dlopen (*ldname, RTLD_LAZY|RTLD_GLOBAL); + + /* Still no? Then fail. */ if (! dlp) { if (noerror) @@ -136,17 +149,17 @@ load_file (const struct floc *flocp, const char *ldname, int noerror) symp = dlsym (dlp, symname); if (! symp) fatal (flocp, _("Failed to load symbol %s from %s: %s"), - symname, ldname, dlerror()); + symname, *ldname, dlerror()); } /* Invoke the symbol to initialize the loaded object. */ - return init_symbol(flocp, ldname, symp); + return init_symbol(flocp, *ldname, symp); } #else int -load_file (const struct floc *flocp, const char *ldname, int noerror) +load_file (const struct floc *flocp, const char **ldname, int noerror) { if (! noerror) fatal (flocp, _("The 'load' operation is not supported on this platform.")); |