rtld/common/util.c

1358 #define	ENV_TYP_IGNORE		0x01		/* ignore - variable is for */
1360 #define	ENV_TYP_ISA		0x02		/* variable is ISA specific */
1361 #define	ENV_TYP_CONFIG		0x04		/* variable obtained from a */
1363 #define	ENV_TYP_PERMANT		0x08		/* variable is permanent */
1364 #define	ENV_TYP_CMDLINE		0x10		/* variable provide with -e */
1365 #define	ENV_TYP_NULL		0x20		/* variable is null */
1428  * Pattern match an LD_XXXX environment variable.  s1 points to the XXXX part
1437 	u_longlong_t	variable = 0;
1456 	 * Parse the variable given.
1468 			variable = ENV_FLG_AUDIT;
1473 			 * A specialized variable for plt_exit() use, not
1477 			variable = ENV_FLG_AUDIT_ARGS;
1489 			variable = ENV_FLG_BIND_LAZY;
1494 			variable = ENV_FLG_BIND_NOW;
1504 			variable = ENV_FLG_BIND_NOT;
1508 			 * This variable is simply for backward compatibility.
1513 			variable = ENV_FLG_BINDINGS;
1525 			variable = ENV_FLG_CAP_FILES;
1529 			 * This variable is not documented for general use.
1531 			 * crle(1), this variable is in use by the Studio
1535 			variable = ENV_FLG_CONFGEN;
1549 			variable = ENV_FLG_CONFIG;
1561 			variable = ENV_FLG_DEBUG;
1567 			variable = ENV_FLG_DEBUG_OUTPUT;
1572 			variable = ENV_FLG_DEFERRED;
1577 			variable = ENV_FLG_DEMANGLE;
1581 	 * LD_FLAGS - collect the best variable definition.  On completion of
1582 	 * environment variable processing pass the result to ld_flags_env()
1591 			variable = ENV_FLG_FLAGS;
1603 			variable = ENV_FLG_HWCAP;
1614 			variable = ENV_FLG_INIT;
1626 			variable = ENV_FLG_LIBPATH;
1630 			 * This variable is not documented for general use.
1632 			 * crle(1), this variable is in use by the Studio
1637 			variable = ENV_FLG_LOADAVAIL;
1641 			variable = ENV_FLG_LOADFLTR;
1653 			variable = ENV_FLG_MACHCAP;
1664 			variable = ENV_FLG_NOAUDIT;
1669 			variable = ENV_FLG_NOAUXFLTR;
1674 			variable = ENV_FLG_NOBAPLT;
1679 			variable = ENV_FLG_NOCONFIG;
1685 			variable = ENV_FLG_NODIRCONFIG;
1690 			variable = ENV_FLG_NODIRECT;
1696 			variable = ENV_FLG_NOENVCONFIG;
1702 			variable = ENV_FLG_NOFLTCONFIG;
1707 			variable = ENV_FLG_NOLAZY;
1713 			variable = ENV_FLG_NOOBJALTER;
1718 			variable = ENV_FLG_NOVERSION;
1727 			variable = ENV_FLG_NOUNRESWEAK;
1732 			variable = ENV_FLG_NOPAREXT;
1740 			variable = ENV_FLG_NOENVIRON;
1752 			variable = ENV_FLG_PLATCAP;
1758 			variable = ENV_FLG_PRELOAD;
1765 			variable = ENV_FLG_PROFILE;
1774 			variable = ENV_FLG_PROFILE_OUTPUT;
1786 			variable = ENV_FLG_SFCAP;
1792 			variable = ENV_FLG_SIGNAL;
1799 	 * subprocess, this variable is disabled, so that any subprocess
1814 			variable = ENV_FLG_TRACE_OBJS;
1818 			 * The simplest way to "disable" this variable is to
1837 			variable = ENV_FLG_TRACE_PTHS;
1848 			variable = ENV_FLG_UNREF;
1853 			variable = ENV_FLG_UNUSED;
1864 			variable = ENV_FLG_VERBOSE;
1875 			variable = ENV_FLG_WARN;
1879 	if (variable == 0)
1883 	 * If the variable is already processed with and ISA specific variable,
1886 	if (((select & SEL_REPLACE) && (rplisa & variable)) ||
1887 	    ((select & SEL_PERMANT) && (prmisa & variable)))
1891 	 * If this variable has already been set via the command line, then
1892 	 * ignore this variable.  The command line, -e, takes precedence.
1895 		if (cmdisa & variable)
1898 			cmdisa |= variable;
1900 		if (cmdgen & variable)
1903 			cmdgen |= variable;
1914 			if (rplisa & variable)
1916 			rplisa |= variable;
1918 			prmisa |= variable;
1925 			if (rplgen & variable)
1927 			rplgen |= variable;
1929 			prmgen |= variable;
1962 		 * variable is either ENV_FLG_FLAGS or ENV_FLG_LIBPATH
1970 				if (variable == ENV_FLG_FLAGS)
1975 				if (variable == ENV_FLG_FLAGS)
1987 		switch (variable) {
2063  * Determine whether we have an architecture specific environment variable.
2065  * Otherwise the variable is processed in it's architecture neutral form.
2094  * Process an LD_FLAGS environment variable.  The value can be a comma
2096  * LD_XXXX environment variable engine.  For example:
2154 			 * If this is an unqualified "=", then this variable
2164 			 * definition for any unqualified variable.  Thus,
2177 		 * Determine whether the environment variable is 32- or 64-bit
2198  * by a runtime linker environment variable.
2229 		 * If the environment variable starts with LD_, strip the LD_.
2230 		 * Otherwise, take things as is.  Indicate that this variable
2297 	 * Determine whether the environment variable is 32-bit or 64-bit
3516  * variable is initialized, so ld.so.1 sets this directly from the AUX vector
3519  * environ variable set.