Test GCORE on 32bit inferiors on 64bit platforms.

UNSUPPORTED results are valid for `-m64' on 32bit targets.


Index: gdb-7.0.50.20100203/gdb/testsuite/gdb.base/gcore.exp
===================================================================
--- gdb-7.0.50.20100203.orig/gdb/testsuite/gdb.base/gcore.exp	2010-02-01 18:15:36.000000000 +0100
+++ gdb-7.0.50.20100203/gdb/testsuite/gdb.base/gcore.exp	2010-02-03 06:39:54.000000000 +0100
@@ -28,9 +28,14 @@ set testfile "gcore"
 set srcfile  ${testfile}.c
 set binfile  ${objdir}/${subdir}/${testfile}
 
-if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
-     untested gcore.exp
-     return -1
+# `-static-libgcc' to avoid dependency on `libgcc.{i386,ppc}'.
+foreach additional_flags {{} {-m32 -static-libgcc} {-m64 -static-libgcc}} {
+
+set prefix "arch{$additional_flags}:"
+
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug additional_flags=$additional_flags]] != "" } {
+     unsupported "${prefix} gcore.exp"
+     continue
 }
 
 # Start with a fresh gdb.
@@ -45,23 +50,23 @@ send_gdb "help gcore\n"
 gdb_expect {
     -re "Undefined command: .gcore.*$gdb_prompt $" {
 	# gcore command not supported -- nothing to test here.
-	unsupported "gdb does not support gcore on this target"
-	return -1;
+	unsupported "${prefix} gdb does not support gcore on this target"
+	continue
     }
     -re "Save a core file .*$gdb_prompt $" {
-	pass "help gcore"
+	pass "${prefix} help gcore"
     }
     -re ".*$gdb_prompt $" {
-	fail "help gcore"
+	fail "${prefix} help gcore"
     }
     timeout {
-	fail "help gcore (timeout)"
+	fail "${prefix} help gcore (timeout)"
     }
 }
 
 if { ! [ runto_main ] } then {
-    untested gcore.exp
-    return -1
+    untested "${prefix} gcore.exp"
+    continue
 }
 
 proc capture_command_output { command prefix } {
@@ -69,7 +74,7 @@ proc capture_command_output { command pr
     global expect_out
 
     set output_string ""
-    gdb_test_multiple "$command" "capture_command_output for $command" {
+    gdb_test_multiple "$command" "${prefix} capture_command_output for $command" {
 	-re "${command}\[\r\n\]+${prefix}(.*)\[\r\n\]+$gdb_prompt $" {
 	    set output_string $expect_out(1,string)
 	}
@@ -103,22 +108,22 @@ set escapedfilename [string_to_regexp ${
 
 set core_supported 0
 gdb_test_multiple "gcore ${objdir}/${subdir}/gcore.test" \
-	"save a corefile" \
+	"${prefix} save a corefile" \
 {
   -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
-    pass "save a corefile"
+    pass "${prefix} save a corefile"
     global core_supported
     set core_supported 1
   }
   -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
-    unsupported "save a corefile"
+    unsupported "${prefix} save a corefile"
     global core_supported
     set core_supported 0
   }
 }
 
 if {!$core_supported} {
-  return -1
+    continue
 }
 
 # Now restart gdb and load the corefile.
@@ -130,31 +135,31 @@ gdb_load ${binfile}
 send_gdb "core ${objdir}/${subdir}/gcore.test\n"
 gdb_expect {
     -re ".* is not a core dump:.*$gdb_prompt $" {
-	fail "re-load generated corefile (bad file format)"
+	fail "${prefix} re-load generated corefile (bad file format)"
 	# No use proceeding from here.
-	return;	
+	continue
     }
     -re ".*: No such file or directory.*$gdb_prompt $" {
-	fail "re-load generated corefile (file not found)"
+	fail "${prefix} re-load generated corefile (file not found)"
 	# No use proceeding from here.
-	return;	
+	continue
     }
     -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
-	fail "re-load generated corefile (incomplete note section)"
+	fail "${prefix} re-load generated corefile (incomplete note section)"
     }
     -re "Core was generated by .*$gdb_prompt $" {
-	pass "re-load generated corefile"
+	pass "${prefix} re-load generated corefile"
     }
     -re ".*$gdb_prompt $" {
-	fail "re-load generated corefile"
+	fail "${prefix} re-load generated corefile"
     }
     timeout {
-	fail "re-load generated corefile (timeout)"
+	fail "${prefix} re-load generated corefile (timeout)"
     }
 }
 
 send_gdb "where\n"
-gdb_expect_list "where in corefile" ".*$gdb_prompt $" {
+gdb_expect_list "${prefix} where in corefile" ".*$gdb_prompt $" {
     ".*\[\r\n\]+#0 .* terminal_func \\(\\) at "
     ".*\[\r\n\]+#1 .* array_func \\(\\) at "
     ".*\[\r\n\]+#2 .* factorial_func \\(value=1\\) at "
@@ -168,61 +173,64 @@ gdb_expect_list "where in corefile" ".*$
 
 set post_corefile_regs [capture_command_output "info registers" ""]
 if ![string compare $pre_corefile_regs $post_corefile_regs] then {
-    pass "corefile restored general registers"
+    pass "${prefix} corefile restored general registers"
 } else {
-    fail "corefile restored general registers"
+    fail "${prefix} corefile restored general registers"
 }
 
 set post_corefile_allregs [capture_command_output "info all-reg" ""]
 if ![string compare $pre_corefile_allregs $post_corefile_allregs] then {
-    pass "corefile restored all registers"
+    pass "${prefix} corefile restored all registers"
 } else {
-    fail "corefile restored all registers"
+    fail "${prefix} corefile restored all registers"
 }
 
 set post_corefile_extern_array \
 	[capture_command_output "print extern_array" "$print_prefix"]
 if ![string compare $pre_corefile_extern_array $post_corefile_extern_array]  {
-    pass "corefile restored extern array"
+    pass "${prefix} corefile restored extern array"
 } else {
-    fail "corefile restored extern array"
+    fail "${prefix} corefile restored extern array"
 }
 
 set post_corefile_static_array \
 	[capture_command_output "print static_array" "$print_prefix"]
 if ![string compare $pre_corefile_static_array $post_corefile_static_array]  {
-    pass "corefile restored static array"
+    pass "${prefix} corefile restored static array"
 } else {
-    fail "corefile restored static array"
+    fail "${prefix} corefile restored static array"
 }
 
 set post_corefile_uninit_array \
 	[capture_command_output "print un_initialized_array" "$print_prefix"]
 if ![string compare $pre_corefile_uninit_array $post_corefile_uninit_array]  {
-    pass "corefile restored un-initialized array"
+    pass "${prefix} corefile restored un-initialized array"
 } else {
-    fail "corefile restored un-initialized array"
+    fail "${prefix} corefile restored un-initialized array"
 }
 
 set post_corefile_heap_string \
 	[capture_command_output "print heap_string" "$print_prefix"]
 if ![string compare $pre_corefile_heap_string $post_corefile_heap_string]  {
-    pass "corefile restored heap array"
+    pass "${prefix} corefile restored heap array"
 } else {
-    fail "corefile restored heap array"
+    fail "${prefix} corefile restored heap array"
 }
 
 set post_corefile_local_array \
 	[capture_command_output "print array_func::local_array" "$print_prefix"]
 if ![string compare $pre_corefile_local_array $post_corefile_local_array]  {
-    pass "corefile restored stack array"
+    pass "${prefix} corefile restored stack array"
 } else {
-    fail "corefile restored stack array"
+    fail "${prefix} corefile restored stack array"
 }
 
 set post_corefile_backtrace [capture_command_output "backtrace" ""]
 if ![string compare $pre_corefile_backtrace $post_corefile_backtrace]  {
-    pass "corefile restored backtrace"
+    pass "${prefix} corefile restored backtrace"
 } else {
-    fail "corefile restored backtrace"
+    fail "${prefix} corefile restored backtrace"
+}
+
+# $additional_flags:
 }