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ntdll-WRITECOPY: Also install SIGILL and SIGBUS early signal handler for MacOS compatibility.

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This commit is contained in:
Sebastian Lackner 2015-06-18 05:18:39 +02:00
parent dde3ae24dd
commit 36ec2e0cf4
3 changed files with 34 additions and 26 deletions
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2
debian/changelog vendored
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@ -8,6 +8,8 @@ wine-staging (1.7.46) UNRELEASED; urgency=low
* Updated kernel32-GetVolumePathName to fix several test failures.
* Updated ntoskrnl-Emulator patchset to implement emulation of MOVZX
instruction on x86_64.
* Updated patchset ntdll-WRITECOPY to be compatible with OSX (fixes Wine
Staging Bug #399).
* Removed patch for implementation of GdipCreateRegionRgnData (accepted
upstream).
* Removed patch to fix output buffer size for IOCTL_DVD_READ_STRUCTURE

56
patches/ntdll-WRITECOPY/0003-ntdll-Setup-a-temporary-signal-handler-during-proces.patch
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@ -1,21 +1,21 @@
From 987e4f22d9f0647bf6d68b9be95e79ee578094dd Mon Sep 17 00:00:00 2001
From 1cb822449427e537c098bb6b738bb983a0cf8ec1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20M=C3=BCller?= <michael@fds-team.de>
Date: Sat, 4 Oct 2014 02:53:22 +0200
Subject: ntdll: Setup a temporary signal handler during process startup to
handle page faults.
handle page faults. (v2)
---
dlls/ntdll/ntdll_misc.h | 1 +
dlls/ntdll/signal_arm.c | 6 ++++++
dlls/ntdll/signal_arm64.c | 6 ++++++
dlls/ntdll/signal_i386.c | 47 +++++++++++++++++++++++++++++++++++++++++++++
dlls/ntdll/signal_powerpc.c | 6 ++++++
dlls/ntdll/signal_x86_64.c | 6 ++++++
dlls/ntdll/signal_arm.c | 6 +++++
dlls/ntdll/signal_arm64.c | 6 +++++
dlls/ntdll/signal_i386.c | 53 +++++++++++++++++++++++++++++++++++++++++++++
dlls/ntdll/signal_powerpc.c | 6 +++++
dlls/ntdll/signal_x86_64.c | 6 +++++
dlls/ntdll/thread.c | 1 +
7 files changed, 73 insertions(+)
7 files changed, 79 insertions(+)
diff --git a/dlls/ntdll/ntdll_misc.h b/dlls/ntdll/ntdll_misc.h
index afd1980..e344c31 100644
index f5b5339..8d985d9 100644
--- a/dlls/ntdll/ntdll_misc.h
+++ b/dlls/ntdll/ntdll_misc.h
@@ -68,6 +68,7 @@ extern NTSTATUS signal_alloc_thread( TEB **teb ) DECLSPEC_HIDDEN;
@ -27,10 +27,10 @@ index afd1980..e344c31 100644
extern void debug_init(void) DECLSPEC_HIDDEN;
extern HANDLE thread_init(void) DECLSPEC_HIDDEN;
diff --git a/dlls/ntdll/signal_arm.c b/dlls/ntdll/signal_arm.c
index e3ae7bd..1d79b3d 100644
index 1f6da96..cfb9df1 100644
--- a/dlls/ntdll/signal_arm.c
+++ b/dlls/ntdll/signal_arm.c
@@ -930,6 +930,12 @@ void signal_init_process(void)
@@ -974,6 +974,12 @@ void signal_init_process(void)
exit(1);
}
@ -44,10 +44,10 @@ index e3ae7bd..1d79b3d 100644
/**********************************************************************
* __wine_enter_vm86 (NTDLL.@)
diff --git a/dlls/ntdll/signal_arm64.c b/dlls/ntdll/signal_arm64.c
index 8c8f7af..483bc85 100644
index bd91d81..3bd705f 100644
--- a/dlls/ntdll/signal_arm64.c
+++ b/dlls/ntdll/signal_arm64.c
@@ -791,6 +791,12 @@ void signal_init_process(void)
@@ -846,6 +846,12 @@ void signal_init_process(void)
exit(1);
}
@ -61,10 +61,10 @@ index 8c8f7af..483bc85 100644
/**********************************************************************
* __wine_enter_vm86 (NTDLL.@)
diff --git a/dlls/ntdll/signal_i386.c b/dlls/ntdll/signal_i386.c
index de55c31..49222f4 100644
index cf20483..7275233 100644
--- a/dlls/ntdll/signal_i386.c
+++ b/dlls/ntdll/signal_i386.c
@@ -2035,6 +2035,30 @@ static void usr2_handler( int signal, siginfo_t *siginfo, void *sigcontext )
@@ -2035,6 +2035,31 @@ static void usr2_handler( int signal, siginfo_t *siginfo, void *sigcontext )
/**********************************************************************
@ -87,6 +87,7 @@ index de55c31..49222f4 100644
+ /* fall-through */
+ default:
+ WINE_ERR( "Got unexpected trap %d during process initialization\n", get_trap_code(context) );
+ abort_thread(1);
+ break;
+ }
+}
@ -95,7 +96,7 @@ index de55c31..49222f4 100644
* segv_handler
*
* Handler for SIGSEGV and related errors.
@@ -2457,6 +2481,29 @@ void signal_init_process(void)
@@ -2466,6 +2491,34 @@ void signal_init_process(void)
exit(1);
}
@ -116,17 +117,22 @@ index de55c31..49222f4 100644
+ sig_act.sa_restorer = rt_sigreturn;
+#endif
+ sig_act.sa_sigaction = segv_handler_early;
+ if (sigaction( SIGSEGV, &sig_act, NULL ) == -1)
+ {
+ perror("sigaction");
+ exit(1);
+ }
+ if (sigaction( SIGSEGV, &sig_act, NULL ) == -1) goto error;
+ if (sigaction( SIGILL, &sig_act, NULL ) == -1) goto error;
+#ifdef SIGBUS
+ if (sigaction( SIGBUS, &sig_act, NULL ) == -1) goto error;
+#endif
+ return;
+
+error:
+ perror("sigaction");
+ exit(1);
+}
#ifdef __HAVE_VM86
/**********************************************************************
diff --git a/dlls/ntdll/signal_powerpc.c b/dlls/ntdll/signal_powerpc.c
index 0fca342..5d1d756 100644
index 886da86..d2e7819 100644
--- a/dlls/ntdll/signal_powerpc.c
+++ b/dlls/ntdll/signal_powerpc.c
@@ -1048,6 +1048,12 @@ void signal_init_process(void)
@ -143,10 +149,10 @@ index 0fca342..5d1d756 100644
/**********************************************************************
* __wine_enter_vm86 (NTDLL.@)
diff --git a/dlls/ntdll/signal_x86_64.c b/dlls/ntdll/signal_x86_64.c
index c71069d..07a0f6e 100644
index 9b98894..60170cc 100644
--- a/dlls/ntdll/signal_x86_64.c
+++ b/dlls/ntdll/signal_x86_64.c
@@ -2623,6 +2623,12 @@ void signal_init_process(void)
@@ -2826,6 +2826,12 @@ void signal_init_process(void)
exit(1);
}
@ -172,5 +178,5 @@ index 3696c8e..a5d10e5 100644
/* reserve space for shared user data */
--
2.2.2
2.4.3

2
patches/patchinstall.sh
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@ -1972,7 +1972,7 @@ if test "$enable_ntdll_WRITECOPY" -eq 1; then
(
echo '+ { "Sebastian Lackner", "ntdll: Trigger write watches before passing userdata pointer to wait_reply.", 1 },';
echo '+ { "Sebastian Lackner", "advapi: Trigger write watches before passing userdata pointer to read syscall.", 1 },';
echo '+ { "Michael Müller", "ntdll: Setup a temporary signal handler during process startup to handle page faults.", 1 },';
echo '+ { "Michael Müller", "ntdll: Setup a temporary signal handler during process startup to handle page faults.", 2 },';
echo '+ { "Michael Müller", "ntdll: Properly handle PAGE_WRITECOPY protection.", 5 },';
echo '+ { "Michael Müller", "ntdll: Only enable true WRITECOPY protection when a special environment variable is set.", 1 },';
) >> "$patchlist"