Blame SOURCES/gdb-rhbz1084404-ppc64-s390x-wrong-prologue-skip-O2-g-2of3.patch

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Date: Mon, 29 Jun 2015 18:37:08 +0200
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From: Jan Kratochvil <jan dot kratochvil at redhat dot com>
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To: gdb-patches at sourceware dot org
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Subject: [testsuite patch] Fix testsuite regression by: Do not skip prologue for asm (.S) files
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Message-ID: <20150629163708.GA28795@host1.jankratochvil.net>
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Hi,
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I have somehow missed gdb.asm/asm-source.exp PASS->FAIL even on x86_64.
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It has no longer valid assumption that "break" breaks after the prologue even
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in assembler.  So I have changed this assumption of the testfile.
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Tested it FAIL->PASSes on x86_64, ppc64 and s390x.
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OK for check-in?
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Jan
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--wac7ysb48OaltWcw
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gdb/testsuite/
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2015-06-29  Jan Kratochvil  <jan.kratochvil@redhat.com>
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	* gdb.asm/asm-source.exp (f at main): Stop at gdbasm_enter.
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	(n at main): New.
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	* gdb.asm/asmsrc1.s: Add comment "mark: main enter".
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Index: gdb-7.6.1/gdb/testsuite/gdb.asm/asm-source.exp
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===================================================================
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--- gdb-7.6.1.orig/gdb/testsuite/gdb.asm/asm-source.exp
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+++ gdb-7.6.1/gdb/testsuite/gdb.asm/asm-source.exp
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@@ -272,6 +272,7 @@ if { [istarget "m6811-*-*"] || [istarget
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 }
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 # Collect some line numbers.
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+set line_enter      [expr [gdb_get_line_number "main enter" "asmsrc1.s"] + 1]
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 set line_main       [expr [gdb_get_line_number "main start" "asmsrc1.s"] + 1]
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 set line_call_foo2  [expr [gdb_get_line_number "call foo2"  "asmsrc1.s"] + 1]
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 set line_search_comment [expr [gdb_get_line_number "search" "asmsrc1.s"] + 1]
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@@ -295,7 +296,10 @@ if ![runto_main] then {
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 }
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 # Execute the `f' command and see if the result includes source info.
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-gdb_test "f" "asmsrc1\[.\]s:$line_main.*several_nops" "f at main"
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+gdb_test "f" "asmsrc1\[.\]s:$line_enter.*gdbasm_enter" "f at main"
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+
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+# Execute the `n' command.
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+gdb_test "n" "$line_main\[ 	\]*.*several_nops" "n at main"
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 # See if we properly `next' over a macro with several insns.
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 gdb_test "n" "$line_call_foo2\[ 	\]*.*foo2" "next over macro"
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Index: gdb-7.6.1/gdb/testsuite/gdb.asm/asmsrc1.s
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===================================================================
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--- gdb-7.6.1.orig/gdb/testsuite/gdb.asm/asmsrc1.s
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+++ gdb-7.6.1/gdb/testsuite/gdb.asm/asmsrc1.s
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@@ -34,6 +34,7 @@
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 	.global main
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 	gdbasm_declare main
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+	comment "mark: main enter"
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 	gdbasm_enter
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 	comment "Call a macro that consists of several lines of assembler code."