Drop has_restricted_stack_args flag

diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc
index 7ad99888d373cafad642ee2918df035ca755d75e..504fae438325684efe1e27531006ba2fb1124609 100644 (file)
--- a/winsup/cygwin/exceptions.cc
+++ b/winsup/cygwin/exceptions.cc
@@ -354,12 +354,6 @@ stack_info::walk ()
 
       /* The arguments follow the return address */
       sf.Params[0] = (_ADDR) *++framep;
-      /* Hack for XP/2K3 WOW64.  If the first stack param points to the
-        application entry point, we can only fetch one additional
-        parameter.  Accessing anything beyond this address results in
-        a SEGV.  This is fixed in Vista/2K8 WOW64. */
-      if (wincap.has_restricted_stack_args () && sf.Params[0] == 0x401000)
-       nparams = 2;
       for (unsigned i = 1; i < nparams; i++)
        sf.Params[i] = (_ADDR) *++framep;
     }

diff --git a/winsup/cygwin/wincap.cc b/winsup/cygwin/wincap.cc
index 06601d8781e5ce4e6e10affceaee9728dd85265e..4146ee4ba7126a01717a92e1d8832526da24f1f0 100644 (file)
--- a/winsup/cygwin/wincap.cc
+++ b/winsup/cygwin/wincap.cc
@@ -24,7 +24,6 @@ wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_mandatory_integrity_control:false,
   needs_count_in_si_lpres2:false,
   has_gaa_largeaddress_bug:false,
-  has_restricted_stack_args:false,
   has_transactions:false,
   has_sendmsg:false,
   has_broken_udf:true,
@@ -56,7 +55,6 @@ wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_mandatory_integrity_control:false,
   needs_count_in_si_lpres2:false,
   has_gaa_largeaddress_bug:false,
-  has_restricted_stack_args:true,
   has_transactions:false,
   has_sendmsg:false,
   has_broken_udf:true,
@@ -88,7 +86,6 @@ wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_mandatory_integrity_control:true,
   needs_count_in_si_lpres2:true,
   has_gaa_largeaddress_bug:true,
-  has_restricted_stack_args:false,
   has_transactions:true,
   has_sendmsg:true,
   has_broken_udf:false,
@@ -120,7 +117,6 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_mandatory_integrity_control:true,
   needs_count_in_si_lpres2:false,
   has_gaa_largeaddress_bug:true,
-  has_restricted_stack_args:false,
   has_transactions:true,
   has_sendmsg:true,
   has_broken_udf:false,
@@ -152,7 +148,6 @@ wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_mandatory_integrity_control:true,
   needs_count_in_si_lpres2:false,
   has_gaa_largeaddress_bug:false,
-  has_restricted_stack_args:false,
   has_transactions:true,
   has_sendmsg:true,
   has_broken_udf:false,
@@ -184,7 +179,6 @@ wincaps wincap_10 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_mandatory_integrity_control:true,
   needs_count_in_si_lpres2:false,
   has_gaa_largeaddress_bug:false,
-  has_restricted_stack_args:false,
   has_transactions:true,
   has_sendmsg:true,
   has_broken_udf:false,
@@ -216,7 +210,6 @@ wincaps wincap_10_1511 __attribute__((section (".cygwin_dll_common"), shared)) =
   has_mandatory_integrity_control:true,
   needs_count_in_si_lpres2:false,
   has_gaa_largeaddress_bug:false,
-  has_restricted_stack_args:false,
   has_transactions:true,
   has_sendmsg:true,
   has_broken_udf:false,
@@ -318,7 +311,6 @@ wincapc::init ()
 #endif
     {
       ((wincaps *)caps)->needs_count_in_si_lpres2 = false;
-      ((wincaps *)caps)->has_restricted_stack_args = false;
       ((wincaps *)caps)->wow64_has_secondary_stack = false;
       ((wincaps *)caps)->has_gaa_largeaddress_bug = false;
       ((wincaps *)caps)->has_broken_prefetchvm = false;

diff --git a/winsup/cygwin/wincap.h b/winsup/cygwin/wincap.h
index e62f9fb63956f7b6a67adc7193cc2df67d0a03a5..4f60d11e6c2de064b0b53fb0625b73af9135eb8f 100644 (file)
--- a/winsup/cygwin/wincap.h
+++ b/winsup/cygwin/wincap.h
@@ -17,7 +17,6 @@ struct wincaps
   unsigned has_mandatory_integrity_control             : 1;
   unsigned needs_count_in_si_lpres2                    : 1;
   unsigned has_gaa_largeaddress_bug                    : 1;
-  unsigned has_restricted_stack_args                   : 1;
   unsigned has_transactions                            : 1;
   unsigned has_sendmsg                                 : 1;
   unsigned has_broken_udf                              : 1;
@@ -74,7 +73,6 @@ public:
   bool IMPLEMENT (has_mandatory_integrity_control)
   bool IMPLEMENT (needs_count_in_si_lpres2)
   bool IMPLEMENT (has_gaa_largeaddress_bug)
-  bool IMPLEMENT (has_restricted_stack_args)
   bool IMPLEMENT (has_transactions)
   bool IMPLEMENT (has_sendmsg)
   bool IMPLEMENT (has_broken_udf)