Author: imp Date: Sun Jan 3 04:32:13 2016 New Revision: 293069 URL: https://svnweb.freebsd.org/changeset/base/293069
Log: If md_exec_hook is defined, provide a way to create the strings for the environment variables we look up at runtime. Otherwise, there's no way they will change, optimize it at compile time. Differential Review: https://reviews.freebsd.org/D2718 Modified: head/libexec/rtld-elf/rtld.c Modified: head/libexec/rtld-elf/rtld.c ============================================================================== --- head/libexec/rtld-elf/rtld.c Sun Jan 3 04:32:05 2016 (r293068) +++ head/libexec/rtld-elf/rtld.c Sun Jan 3 04:32:13 2016 (r293069) @@ -204,8 +204,6 @@ extern Elf_Dyn _DYNAMIC; #define RTLD_IS_DYNAMIC() (&_DYNAMIC != NULL) #endif -#define _LD(x) LD_ x - int dlclose(void *) __exported; char *dlerror(void) __exported; void *dlopen(const char *, int) __exported; @@ -325,6 +323,24 @@ ld_utrace_log(int event, void *handle, v utrace(&ut, sizeof(ut)); } +#ifdef RTLD_VARIANT_ENV_NAMES +/* + * construct the env variable based on the type of binary that's + * running. + */ +static inline const char * +_LD(const char *var) +{ + static char buffer[128]; + + strlcpy(buffer, ld_env_prefix, sizeof(buffer)); + strlcat(buffer, var, sizeof(buffer)); + return (buffer); +} +#else +#define _LD(x) LD_ x +#endif + /* * Main entry point for dynamic linking. The first argument is the * stack pointer. The stack is expected to be laid out as described _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
