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Try loading with safe path using LOAD_LIBRARY_SEARCH_SYSTEM32 first

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* autoload.cc (dll_load): Move safe loading from std_dll_init here.
	Add code to handle systems supporting LOAD_LIBRARY_SEARCH flags.
	Add comments to explain what the code is doing.  Fix up comment
	preceeding this function.
	(std_dll_init): Move safe loading code to dll_load.
	* wincap.h (wincaps::has_load_lib_search_flags): New element.
        * wincap.cc: Implement above element throughout.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen
2016-01-12 15:23:14 +01:00
parent 27086d628e
commit 15d6f564cd
3 changed files with 43 additions and 18 deletions
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7
winsup/cygwin/wincap.cc
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@@ -52,6 +52,7 @@ wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_processor_groups:false,
has_broken_prefetchvm:false,
has_new_pebteb_region:false,
has_load_lib_search_flags:false,
};
wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -86,6 +87,7 @@ wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_processor_groups:false,
has_broken_prefetchvm:false,
has_new_pebteb_region:false,
has_load_lib_search_flags:false,
};
wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -120,6 +122,7 @@ wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
has_processor_groups:false,
has_broken_prefetchvm:false,
has_new_pebteb_region:false,
has_load_lib_search_flags:true,
};
wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -154,6 +157,7 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_processor_groups:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:false,
has_load_lib_search_flags:true,
};
wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -188,6 +192,7 @@ wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_processor_groups:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:false,
has_load_lib_search_flags:true,
};
wincaps wincap_10 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -222,6 +227,7 @@ wincaps wincap_10 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_processor_groups:true,
has_broken_prefetchvm:true,
has_new_pebteb_region:false,
has_load_lib_search_flags:true,
};
wincaps wincap_10_1511 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -256,6 +262,7 @@ wincaps wincap_10_1511 __attribute__((section (".cygwin_dll_common"), shared)) =
has_processor_groups:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:true,
has_load_lib_search_flags:true,
};
wincapc wincap __attribute__((section (".cygwin_dll_common"), shared));