aboutsummaryrefslogtreecommitdiff
path: root/gas
diff options
context:
space:
mode:
authorJan Beulich <jbeulich@suse.com>2020-01-09 11:38:01 +0100
committerJan Beulich <jbeulich@suse.com>2020-01-09 11:38:01 +0100
commitd835a58baae720abe909795cb68763040d1750a8 (patch)
treef4a188a3fcfdc20e2f9bbfee761037dca16a39d7 /gas
parent482556efed3529d76baca0c61f7fb72221e6dc9a (diff)
downloadgdb-d835a58baae720abe909795cb68763040d1750a8.zip
gdb-d835a58baae720abe909795cb68763040d1750a8.tar.gz
gdb-d835a58baae720abe909795cb68763040d1750a8.tar.bz2
x86: SYSENTER/SYSEXIT are unavailable in 64-bit mode on AMD
The disassembler change is such that in default mode we'd disassemble the insns (for there not ebing any conflicts), but when AMD64 mode was explicitly requested, we'd show them as "(bad)".
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog9
-rw-r--r--gas/testsuite/gas/i386/i386.exp4
-rw-r--r--gas/testsuite/gas/i386/x86-64-sysenter-amd.d14
-rw-r--r--gas/testsuite/gas/i386/x86-64-sysenter-amd.l5
-rw-r--r--gas/testsuite/gas/i386/x86-64-sysenter-amd.s7
-rw-r--r--gas/testsuite/gas/i386/x86-64-sysenter-intel.d15
-rw-r--r--gas/testsuite/gas/i386/x86-64-sysenter-mixed.d6
7 files changed, 60 insertions, 0 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index bed8292..116617a 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,12 @@
+2020-01-09 Jan Beulich <jbeulich@suse.com>
+
+ * testsuite/gas/i386/x86-64-sysenter-amd.s,
+ testsuite/gas/i386/x86-64-sysenter-amd.d,
+ testsuite/gas/i386/x86-64-sysenter-amd.l,
+ testsuite/gas/i386/x86-64-sysenter-intel.d,
+ testsuite/gas/i386/x86-64-sysenter-mixed.d: New.
+ * testsuite/gas/i386/i386.exp: Run new tests.
+
2020-01-08 Nick Clifton <nickc@redhat.com>
PR 25284
diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp
index 6ee486f..4c886d5 100644
--- a/gas/testsuite/gas/i386/i386.exp
+++ b/gas/testsuite/gas/i386/i386.exp
@@ -724,6 +724,10 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
run_dump_test "x86-64-nops-5"
run_dump_test "x86-64-nops-5-k8"
run_dump_test "x86-64-nops-7"
+ run_dump_test "x86-64-sysenter-intel"
+ run_dump_test "x86-64-sysenter-mixed"
+ run_dump_test "x86-64-sysenter-amd"
+ run_list_test "x86-64-sysenter-amd"
run_dump_test "noreg64"
run_list_test "cvtsi2sX"
run_dump_test "x86-64-sse4_1"
diff --git a/gas/testsuite/gas/i386/x86-64-sysenter-amd.d b/gas/testsuite/gas/i386/x86-64-sysenter-amd.d
new file mode 100644
index 0000000..5b2fc37
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-sysenter-amd.d
@@ -0,0 +1,14 @@
+#as: -mintel64
+#objdump: -dw -Mamd64
+#name: x86-64 sysenter (Intel64/AMD64)
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <.text>:
+[ ]*[a-f0-9]+:[ ]+0f 34[ ]+\(bad\)[ ]*
+[ ]*[a-f0-9]+:[ ]+0f 35[ ]+\(bad\)[ ]*
+[ ]*[a-f0-9]+:[ ]+0f 34[ ]+\(bad\)[ ]*
+[ ]*[a-f0-9]+:[ ]+0f 35[ ]+\(bad\)[ ]*
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-sysenter-amd.l b/gas/testsuite/gas/i386/x86-64-sysenter-amd.l
new file mode 100644
index 0000000..faa2562
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-sysenter-amd.l
@@ -0,0 +1,5 @@
+.*: Assembler messages:
+.*:2: Error: .*
+.*:3: Error: .*
+.*:6: Error: .*
+.*:7: Error: .*
diff --git a/gas/testsuite/gas/i386/x86-64-sysenter-amd.s b/gas/testsuite/gas/i386/x86-64-sysenter-amd.s
new file mode 100644
index 0000000..b6d31f9
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-sysenter-amd.s
@@ -0,0 +1,7 @@
+ .text
+ sysenter
+ sysexit
+
+ .intel_syntax noprefix
+ sysenter
+ sysexit
diff --git a/gas/testsuite/gas/i386/x86-64-sysenter-intel.d b/gas/testsuite/gas/i386/x86-64-sysenter-intel.d
new file mode 100644
index 0000000..ffd5e3e
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-sysenter-intel.d
@@ -0,0 +1,15 @@
+#as: -mintel64
+#objdump: -dw -Mintel64
+#name: x86-64 sysenter (Intel64/Intel64)
+#source: x86-64-sysenter-amd.s
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <.text>:
+[ ]*[a-f0-9]+: 0f 34 sysenter *
+[ ]*[a-f0-9]+: 0f 35 sysexit *
+[ ]*[a-f0-9]+: 0f 34 sysenter *
+[ ]*[a-f0-9]+: 0f 35 sysexit *
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-sysenter-mixed.d b/gas/testsuite/gas/i386/x86-64-sysenter-mixed.d
new file mode 100644
index 0000000..034f1cb
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-sysenter-mixed.d
@@ -0,0 +1,6 @@
+#as: -mintel64
+#objdump: -dw
+#name: x86-64 sysenter (Intel64/Default)
+#source: x86-64-sysenter-amd.s
+#dump: x86-64-sysenter-intel.d
+