Darwin: Add assembler directives to create version-min load commands.

Allow object files to be tagged with a version-min load command for iOS
or MacOSX.

Teach macho-dump to understand the version-min load commands for
testcases.

rdar://11337778

llvm-svn: 204190

4 files changed, 90 insertions, 0 deletions

diff --git a/llvm/test/MC/AsmParser/version-min-diagnostics.s b/llvm/test/MC/AsmParser/version-min-diagnostics.s
new file mode 100644
index 00000000000..15d44d31661
--- /dev/null
+++ b/llvm/test/MC/AsmParser/version-min-diagnostics.s
@@ -0,0 +1,49 @@
+// RUN: not llvm-mc -triple i386-apple-darwin %s 2> %t
+// RUN: FileCheck %s < %t
+// RUN: not llvm-mc -triple x86_64-apple-darwin %s 2> %t
+// RUN: FileCheck %s < %t
+// RUN: not llvm-mc -triple armv7-apple-ios %s 2> %t
+// RUN: FileCheck %s < %t
+
+.ios_version_min 5,2,257
+.ios_version_min 5,256,1
+.ios_version_min 5,-1,1
+.ios_version_min 0,1,1
+.ios_version_min 70000,1
+.macosx_version_min 99,2,257
+.macosx_version_min 50,256,1
+.macosx_version_min 10,-1,1
+.macosx_version_min 0,1,1
+.macosx_version_min 70000,1
+
+
+// CHECK: error: invalid OS update number
+// CHECK: .ios_version_min 5,2,257
+// CHECK:                      ^
+// CHECK: error: invalid OS minor version number
+// CHECK: .ios_version_min 5,256,1
+// CHECK:                    ^
+// CHECK: error: invalid OS minor version number
+// CHECK: .ios_version_min 5,-1,1
+// CHECK:                    ^
+// CHECK: error: invalid OS major version number
+// CHECK: .ios_version_min 0,1,1
+// CHECK:                  ^
+// CHECK: error: invalid OS major version number
+// CHECK: .ios_version_min 70000,1
+// CHECK:                  ^
+// CHECK: error: invalid OS update number
+// CHECK: .macosx_version_min 99,2,257
+// CHECK:                          ^
+// CHECK: error: invalid OS minor version number
+// CHECK: .macosx_version_min 50,256,1
+// CHECK:                        ^
+// CHECK: error: invalid OS minor version number
+// CHECK: .macosx_version_min 10,-1,1
+// CHECK:                        ^
+// CHECK: error: invalid OS major version number
+// CHECK: .macosx_version_min 0,1,1
+// CHECK:                     ^
+// CHECK: error: invalid OS major version number
+// CHECK: .macosx_version_min 70000,1
+// CHECK:                     ^
diff --git a/llvm/test/MC/AsmParser/version-min.s b/llvm/test/MC/AsmParser/version-min.s
new file mode 100644
index 00000000000..0a40338ed5e
--- /dev/null
+++ b/llvm/test/MC/AsmParser/version-min.s
@@ -0,0 +1,21 @@
+// RUN: llvm-mc -triple i386-apple-darwin %s | FileCheck %s
+// RUN: llvm-mc -triple x86_64-apple-darwin %s | FileCheck %s
+// RUN: llvm-mc -triple armv7s-apple-ios %s | FileCheck %s
+
+// Test the parsing of well-formed version-min directives.
+
+.ios_version_min 5,2,0
+.ios_version_min 3,2,1
+.ios_version_min 5,0
+
+// CHECK: .ios_version_min 5, 2
+// CHECK: .ios_version_min 3, 2, 1
+// CHECK: .ios_version_min 5, 0
+
+.macosx_version_min 10,2,0
+.macosx_version_min 10,8,1
+.macosx_version_min 2,0
+
+// CHECK: .macosx_version_min 10, 2
+// CHECK: .macosx_version_min 10, 8, 1
+// CHECK: .macosx_version_min 2, 0
diff --git a/llvm/test/MC/MachO/ios-version-min-load-command.s b/llvm/test/MC/MachO/ios-version-min-load-command.s
new file mode 100644
index 00000000000..e065d147be7
--- /dev/null
+++ b/llvm/test/MC/MachO/ios-version-min-load-command.s
@@ -0,0 +1,10 @@
+// RUN: llvm-mc -triple armv7-apple-ios %s -filetype=obj -o - | macho-dump | FileCheck %s
+
+// Test the formation of the version-min load command in the MachO.
+// use a nonsense but well formed version.
+.ios_version_min 99,8,7
+// CHECK:  (('command', 37)
+// CHECK:   ('size', 16)
+// CHECK:   ('version, 6490119)
+// CHECK:   ('reserved, 0)
+// CHECK:  ),
diff --git a/llvm/test/MC/MachO/osx-version-min-load-command.s b/llvm/test/MC/MachO/osx-version-min-load-command.s
new file mode 100644
index 00000000000..2a73609dc01
--- /dev/null
+++ b/llvm/test/MC/MachO/osx-version-min-load-command.s
@@ -0,0 +1,10 @@
+// RUN: llvm-mc -triple x86_64-apple-darwin %s -filetype=obj -o - | macho-dump | FileCheck %s
+
+// Test the formation of the version-min load command in the MachO.
+// use a nonsense but well formed version.
+.macosx_version_min 25,3,1
+// CHECK:  (('command', 36)
+// CHECK:   ('size', 16)
+// CHECK:   ('version, 1639169)
+// CHECK:   ('reserved, 0)
+// CHECK:  ),