Move stack_trace.cpp to generic directory.

4 architectures are using it, so it is generic enough.
Make it error out for platforms where the stack grows in the other
direction. Another implementation can be added for them.

Change-Id: Ia52b5dd34da7b5ebcca0782af079c43d72ba3a8e
Reviewed-on: https://review.haiku-os.org/c/1340
Reviewed-by: waddlesplash <waddlesplash@gmail.com>

src/system/libroot/os/arch/generic/stack_trace.cpp

@@ -6,8 +6,10 @@
  *		Michael Lotz, mmlr@mlotz.ch
  */
 
+#include <arch_config.h>
 #include <libroot_private.h>
 
+#ifdef STACK_GROWS_DOWNWARDS
 
 /*!	Captures a stack trace (the return addresses) of the current thread.
 	\param returnAddresses The array the return address shall be written to.
@@ -45,3 +47,9 @@ __arch_get_stack_trace(addr_t* returnAddresses, int32 maxCount,
 
 	return count;
 }
+
+#else
+
+#error Implementation needed for upwards growing stacks
+
+#endif

src/system/libroot/os/arch/ppc/Jamfile

@@ -17,7 +17,6 @@ for architectureObject in [ MultiArchSubDirSetup ppc ] {
 			byteorder.S
 			compatibility.c	# only here until the places where those functions
 							# are used are fixed
-			stack_trace.cpp
 			stack_frame.c
 #			systeminfo.c
 			system_time.c
@@ -27,6 +26,7 @@ for architectureObject in [ MultiArchSubDirSetup ppc ] {
 			tls.c
 
 			generic_system_time_nsecs.cpp
+			stack_trace.cpp
 			;
 	}
 }

src/system/libroot/os/arch/sparc/Jamfile

@@ -27,6 +27,7 @@ for architectureObject in [ MultiArchSubDirSetup sparc ] {
 
 			generic_atomic.cpp
 			generic_system_time_nsecs.cpp
+			stack_trace.cpp
 			;
 	}
 }

src/system/libroot/os/arch/x86/Jamfile

@@ -17,8 +17,6 @@ for architectureObject in [ MultiArchSubDirSetup x86 x86_gcc2 ] {
 			;
 		}
 
-		SEARCH_SOURCE += [ FDirName $(SUBDIR) $(DOTDOT) x86_common ] ;
-
 		MergeObject <$(architecture)>os_arch_$(TARGET_ARCH).o :
 			atomic.S
 			byteorder.S
@@ -31,7 +29,6 @@ for architectureObject in [ MultiArchSubDirSetup x86 x86_gcc2 ] {
 
 			$(compatibilitySources)
 
-			# sources from x86_common
 			stack_trace.cpp
 			;
 	}

src/system/libroot/os/arch/x86_64/Jamfile

@@ -12,7 +12,6 @@ for architectureObject in [ MultiArchSubDirSetup x86_64 ] {
 
 		SEARCH_SOURCE +=
 			[ FDirName $(SUBDIR) $(DOTDOT) generic ]
-			[ FDirName $(SUBDIR) $(DOTDOT) x86_common ]
 			;
 
 		MergeObject <$(architecture)>os_arch_$(TARGET_ARCH).o :
@@ -24,11 +23,9 @@ for architectureObject in [ MultiArchSubDirSetup x86_64 ] {
 			time.cpp
 			tls.cpp
 
-			# sources from x86_common
-			stack_trace.cpp
-
 			# sources from generic
 			generic_atomic.cpp
+			stack_trace.cpp
 			;
 	}
 }