MIPS/GAS: Sanitize `.option picX' pseudo-op

	gas/
	* config/tc-mips.c (s_option): Sanitize `.option picX'
	pseudo-op.
	* testsuite/gas/mips/option-pic-1.d: New test.
	* testsuite/gas/mips/option-pic-2.l: New list test.
	* testsuite/gas/mips/option-pic-1.s: New test source.
	* testsuite/gas/mips/option-pic-2.s: New test source.
	* testsuite/gas/mips/mips.exp: Run the new tests.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index da02325..eefeb2f 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,15 @@
 2016-04-09  Maciej W. Rozycki  <macro@imgtec.com>
 
+       * config/tc-mips.c (s_option): Sanitize `.option picX'
+       pseudo-op.
+       * testsuite/gas/mips/option-pic-1.d: New test.
+       * testsuite/gas/mips/option-pic-2.l: New list test.
+       * testsuite/gas/mips/option-pic-1.s: New test source.
+       * testsuite/gas/mips/option-pic-2.s: New test source.
+       * testsuite/gas/mips/mips.exp: Run the new tests.
+
+2016-04-09  Maciej W. Rozycki  <macro@imgtec.com>
+
        * config/tc-mips.c (s_option): Reject `.option picX' if VxWorks
        PIC.
        * testsuite/gas/mips/option-pic-vxworks-1.l: New list test.

diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c
index 7017444..db3ec67 100644 (file)
--- a/gas/config/tc-mips.c
+++ b/gas/config/tc-mips.c
@@ -15472,7 +15472,7 @@ s_option (int x ATTRIBUTE_UNUSED)
     {
       /* FIXME: What does this mean?  */
     }
-  else if (strncmp (opt, "pic", 3) == 0)
+  else if (strncmp (opt, "pic", 3) == 0 && ISDIGIT (opt[3]) && opt[4] == '\0')
     {
       int i;
 

diff --git a/gas/testsuite/gas/mips/mips.exp b/gas/testsuite/gas/mips/mips.exp
index 02f76cc..4d770cb 100644 (file)
--- a/gas/testsuite/gas/mips/mips.exp
+++ b/gas/testsuite/gas/mips/mips.exp
@@ -1474,6 +1474,9 @@ if { [istarget mips*-*-vxworks*] } {
 
     run_dump_test "li-d"
 
+    run_dump_test "option-pic-1"
+    run_list_test "option-pic-2" "" \
+       "MIPS invalid PIC option"
     run_list_test "option-pic-vxworks-1" "-mvxworks-pic" \
        "MIPS invalid PIC option in VxWorks PIC"
     run_list_test "option-pic-vxworks-2" "-mvxworks-pic" \

diff --git a/gas/testsuite/gas/mips/option-pic-1.d b/gas/testsuite/gas/mips/option-pic-1.d
new file mode 100644 (file)
index 0000000..da32af6
--- /dev/null
+++ b/gas/testsuite/gas/mips/option-pic-1.d
@@ -0,0 +1,18 @@
+#objdump: -dr --prefix-addresses --show-raw-insn
+#name: MIPS PIC option
+#as: -32
+
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+[0-9a-f]+ <[^>]*> 8f820000     lw      v0,0\(gp\)
+[      ]*[0-9a-f]+: R_MIPS_GOT16       bar
+[0-9a-f]+ <[^>]*> 3c020000     lui     v0,0x0
+[      ]*[0-9a-f]+: R_MIPS_HI16        bar
+[0-9a-f]+ <[^>]*> 24420000     addiu   v0,v0,0
+[      ]*[0-9a-f]+: R_MIPS_LO16        bar
+[0-9a-f]+ <[^>]*> 8f820000     lw      v0,0\(gp\)
+[      ]*[0-9a-f]+: R_MIPS_GOT16       bar
+[0-9a-f]+ <[^>]*> 03e00008     jr      ra
+[0-9a-f]+ <[^>]*> 00000000     nop
+       \.\.\.

diff --git a/gas/testsuite/gas/mips/option-pic-1.s b/gas/testsuite/gas/mips/option-pic-1.s
new file mode 100644 (file)
index 0000000..6907049
--- /dev/null
+++ b/gas/testsuite/gas/mips/option-pic-1.s
@@ -0,0 +1,16 @@
+       .abicalls
+       .text
+       .globl  foo
+       .ent    foo
+foo:
+       la      $2, bar
+       .option pic0            # Switch off!
+       la      $2, bar
+       .option pic2            # Switch on!
+       la      $2, bar
+       jr      $ra
+       .end    foo
+
+# Force some (non-delay-slot) zero bytes, to make 'objdump' print ...
+       .align  4, 0
+       .space  16

diff --git a/gas/testsuite/gas/mips/option-pic-2.l b/gas/testsuite/gas/mips/option-pic-2.l
new file mode 100644 (file)
index 0000000..c6c5994
--- /dev/null
+++ b/gas/testsuite/gas/mips/option-pic-2.l
@@ -0,0 +1,4 @@
+.*: Assembler messages:
+.*:2: Warning: unrecognized option "picfoo"
+.*:3: Warning: unrecognized option "pic0foo"
+.*:4: Error: junk at end of line, first unrecognized character is `f'

diff --git a/gas/testsuite/gas/mips/option-pic-2.s b/gas/testsuite/gas/mips/option-pic-2.s
new file mode 100644 (file)
index 0000000..9d3a5ea
--- /dev/null
+++ b/gas/testsuite/gas/mips/option-pic-2.s
@@ -0,0 +1,4 @@
+       .abicalls
+       .option picfoo
+       .option pic0foo
+       .option pic0 foo