[Mips] TargetStreamer Support for .abicalls and .set pic0.

This patch adds .abicalls and .set pic0 support which
affects the ELF ABI and its flags. In addition the patch uses
a common interface for both the MipsTargetSteamer and
MipsObjectStreamer that both the integrated and standalone
assemblers will use for the output for these directives.

llvm-svn: 198646

4 files changed, 60 insertions, 2 deletions

diff --git a/llvm/test/MC/Mips/elf_eflags.ll b/llvm/test/MC/Mips/elf_eflags.ll
index 9432dcf59c3..8216a90aa30 100644
--- a/llvm/test/MC/Mips/elf_eflags.ll
+++ b/llvm/test/MC/Mips/elf_eflags.ll
@@ -29,7 +29,7 @@
 ; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64r2 -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-BE64R2_PIC %s
 
 ; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+mips16 -relocation-model=pic -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-LE32R2-MIPS16 %s
- 
+
 ; 32(R1) bit with NO_REORDER and static
 ; CHECK-BE32: .mips_hack_elf_flags 0x50001005
 ;
diff --git a/llvm/test/MC/Mips/elf_eflags.s b/llvm/test/MC/Mips/elf_eflags.s
index c56596444ae..c05772970a7 100644
--- a/llvm/test/MC/Mips/elf_eflags.s
+++ b/llvm/test/MC/Mips/elf_eflags.s
@@ -1,5 +1,12 @@
 // RUN: llvm-mc -filetype=obj -triple mipsel-unknown-linux %s -o -| llvm-readobj -h | FileCheck %s
+// The initial value will be set at 0x50001003 and
+// we will override that with the negation of 0x2 (option pic0
+// the addition of 0x4 (.abicalls)
 
-        .mips_hack_elf_flags 0x50001005
+        .mips_hack_elf_flags 0x50001003
 
 // CHECK: Flags [ (0x50001005)
+
+        .abicalls
+
+        .option pic0
diff --git a/llvm/test/MC/Mips/mips_directives.s b/llvm/test/MC/Mips/mips_directives.s
index 7e4f937e907..0fb377edbc4 100644
--- a/llvm/test/MC/Mips/mips_directives.s
+++ b/llvm/test/MC/Mips/mips_directives.s
@@ -2,8 +2,10 @@
 #
 # CHECK:  .text
 # CHECK:  $BB0_2:
+# CHECK:  .abicalls
 $BB0_2:
   .ent directives_test
+     .abicalls
     .frame    $sp,0,$ra
     .mask     0x00000000,0
     .fmask    0x00000000,0
diff --git a/llvm/test/MC/Mips/mips_directives_bad.s b/llvm/test/MC/Mips/mips_directives_bad.s
new file mode 100644
index 00000000000..7705eee55b0
--- /dev/null
+++ b/llvm/test/MC/Mips/mips_directives_bad.s
@@ -0,0 +1,49 @@
+# Error checking for malformed directives
+# RUN: not llvm-mc -triple mips-unknown-unknown %s 2>&1 | FileCheck %s
+
+    .abicalls should have no operands
+# CHECK:    :{{[0-9]+}}:{{[0-9]+}}: error: unexpected token in directive
+# CHECK-NEXT:    .abicalls should have no operands
+# CHECK-NEXT:              ^
+
+# We don't know yet how to represent a list of options
+# pic2 will eventually be legal so we will probably want
+# to change it to something silly.
+
+# Blank option operand
+    .option 
+# CHECK-NEXT:    :{{[0-9]+}}:{{[0-9]+}}: error: unexpected token in .option directive
+# CHECK-NEXT:    .option 
+# CHECK-NEXT:            ^
+
+# Numeric option operand
+    .option 2
+# CHECK-NEXT:    :{{[0-9]+}}:{{[0-9]+}}: error: unexpected token in .option directive
+# CHECK-NEXT:    .option 2
+# CHECK-NEXT:            ^
+
+# Register option operand
+    .option $2
+# CHECK-NEXT:    :{{[0-9]+}}:{{[0-9]+}}: error: unexpected token in .option directive
+# CHECK-NEXT:    .option $2
+# CHECK-NEXT:            ^
+
+    .option WithBadOption
+# CHECK-NEXT:    :{{[0-9]+}}:{{[0-9]+}}: warning: unknown option in .option directive
+# CHECK-NEXT:    .option WithBadOption
+# CHECK-NEXT:            ^
+
+    .option pic0,
+# CHECK-NEXT:    :{{[0-9]+}}:{{[0-9]+}}: error: unexpected token in .option pic0 directive
+# CHECK-NEXT:    .option pic0,
+# CHECK-NEXT:                ^
+
+    .option pic0,pic2
+# CHECK-NEXT:    :{{[0-9]+}}:{{[0-9]+}}: error: unexpected token in .option pic0 directive
+# CHECK-NEXT:    .option pic0,pic2
+# CHECK-NEXT:                ^
+
+    .option pic0 pic2
+# CHECK-NEXT:    :{{[0-9]+}}:{{[0-9]+}}: error: unexpected token in .option pic0 directive
+# CHECK-NEXT:    .option pic0 pic2
+# CHECK-NEXT:                 ^