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      1 // Test the driver's control over the PIC behavior. These consist of tests of
      2 // the relocation model flags and the pic level flags passed to CC1.
      3 //
      4 // CHECK-NO-PIC: "-mrelocation-model" "static"
      5 // CHECK-NO-PIC-NOT: "-pic-level"
      6 // CHECK-NO-PIC-NOT: "-pie-level"
      7 //
      8 // CHECK-PIC1: "-mrelocation-model" "pic"
      9 // CHECK-PIC1: "-pic-level" "1"
     10 //
     11 // CHECK-PIC2: "-mrelocation-model" "pic"
     12 // CHECK-PIC2: "-pic-level" "2"
     13 //
     14 // CHECK-PIE1: "-mrelocation-model" "pic"
     15 // CHECK-PIE1: "-pic-level" "1"
     16 // CHECK-PIE1: "-pie-level" "1"
     17 //
     18 // CHECK-PIE2: "-mrelocation-model" "pic"
     19 // CHECK-PIE2: "-pic-level" "2"
     20 // CHECK-PIE2: "-pie-level" "2"
     21 //
     22 // CHECK-PIE-LD: "{{.*}}ld{{(.exe)?}}"
     23 // CHECK-PIE-LD: "-pie"
     24 // CHECK-PIE-LD: "Scrt1.o" "crti.o" "crtbeginS.o"
     25 // CHECK-PIE-LD: "crtendS.o" "crtn.o"
     26 //
     27 // CHECK-NOPIE-LD: "-nopie"
     28 //
     29 // CHECK-DYNAMIC-NO-PIC-32: "-mrelocation-model" "dynamic-no-pic"
     30 // CHECK-DYNAMIC-NO-PIC-32-NOT: "-pic-level"
     31 // CHECK-DYNAMIC-NO-PIC-32-NOT: "-pie-level"
     32 //
     33 // CHECK-DYNAMIC-NO-PIC-64: "-mrelocation-model" "dynamic-no-pic"
     34 // CHECK-DYNAMIC-NO-PIC-64: "-pic-level" "2"
     35 // CHECK-DYNAMIC-NO-PIC-64-NOT: "-pie-level"
     36 //
     37 // CHECK-NON-DARWIN-DYNAMIC-NO-PIC: error: unsupported option '-mdynamic-no-pic' for target 'i386-unknown-unknown'
     38 //
     39 // CHECK-NO-PIE-NOT: "-pie"
     40 //
     41 // CHECK-NO-UNUSED-ARG-NOT: argument unused during compilation
     42 //
     43 // RUN: %clang -c %s -target i386-unknown-unknown -### 2>&1 \
     44 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     45 // RUN: %clang -c %s -target i386-unknown-unknown -fpic -### 2>&1 \
     46 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC1
     47 // RUN: %clang -c %s -target i386-unknown-unknown -fPIC -### 2>&1 \
     48 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
     49 // RUN: %clang -c %s -target i386-unknown-unknown -fpie -### 2>&1 \
     50 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE1
     51 // RUN: %clang -c %s -target i386-unknown-unknown -fPIE -### 2>&1 \
     52 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE2
     53 //
     54 // Check that PIC and PIE flags obey last-match-wins. If the last flag is
     55 // a no-* variant, regardless of which variant or which flags precede it, we
     56 // get no PIC.
     57 // RUN: %clang -c %s -target i386-unknown-unknown -fpic -fno-pic -### 2>&1 \
     58 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     59 // RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fno-pic -### 2>&1 \
     60 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     61 // RUN: %clang -c %s -target i386-unknown-unknown -fpie -fno-pic -### 2>&1 \
     62 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     63 // RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fno-pic -### 2>&1 \
     64 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     65 // RUN: %clang -c %s -target i386-unknown-unknown -fpic -fno-PIC -### 2>&1 \
     66 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     67 // RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fno-PIC -### 2>&1 \
     68 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     69 // RUN: %clang -c %s -target i386-unknown-unknown -fpie -fno-PIC -### 2>&1 \
     70 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     71 // RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fno-PIC -### 2>&1 \
     72 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     73 // RUN: %clang -c %s -target i386-unknown-unknown -fpic -fno-pie -### 2>&1 \
     74 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     75 // RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fno-pie -### 2>&1 \
     76 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     77 // RUN: %clang -c %s -target i386-unknown-unknown -fpie -fno-pie -### 2>&1 \
     78 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     79 // RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fno-pie -### 2>&1 \
     80 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     81 // RUN: %clang -c %s -target i386-unknown-unknown -fpic -fno-PIE -### 2>&1 \
     82 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     83 // RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fno-PIE -### 2>&1 \
     84 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     85 // RUN: %clang -c %s -target i386-unknown-unknown -fpie -fno-PIE -### 2>&1 \
     86 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     87 // RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fno-PIE -### 2>&1 \
     88 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
     89 //
     90 // Last-match-wins where both pic and pie are specified.
     91 // RUN: %clang -c %s -target i386-unknown-unknown -fpie -fpic -### 2>&1 \
     92 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC1
     93 // RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fpic -### 2>&1 \
     94 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC1
     95 // RUN: %clang -c %s -target i386-unknown-unknown -fpie -fPIC -### 2>&1 \
     96 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
     97 // RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fPIC -### 2>&1 \
     98 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
     99 // RUN: %clang -c %s -target i386-unknown-unknown -fpic -fpie -### 2>&1 \
    100 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE1
    101 // RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fpie -### 2>&1 \
    102 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE1
    103 // RUN: %clang -c %s -target i386-unknown-unknown -fpic -fPIE -### 2>&1 \
    104 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE2
    105 // RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fPIE -### 2>&1 \
    106 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE2
    107 //
    108 // Last-match-wins when selecting level 1 vs. level 2.
    109 // RUN: %clang -c %s -target i386-unknown-unknown -fpic -fPIC -### 2>&1 \
    110 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    111 // RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fpic -### 2>&1 \
    112 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC1
    113 // RUN: %clang -c %s -target i386-unknown-unknown -fpic -fPIE -fpie -### 2>&1 \
    114 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE1
    115 // RUN: %clang -c %s -target i386-unknown-unknown -fpie -fPIC -fPIE -### 2>&1 \
    116 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE2
    117 //
    118 // Make sure -pie is passed to along to ld and that the right *crt* files
    119 // are linked in.
    120 // RUN: %clang %s -target i386-unknown-freebsd -fPIE -pie -### \
    121 // RUN: --sysroot=%S/Inputs/basic_freebsd_tree 2>&1 \
    122 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE-LD
    123 // RUN: %clang %s -target i386-linux-gnu -fPIE -pie -### \
    124 // RUN: --sysroot=%S/Inputs/basic_linux_tree 2>&1 \
    125 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE-LD
    126 // RUN: %clang %s -target i386-linux-gnu -fPIC -pie -### \
    127 // RUN: --sysroot=%S/Inputs/basic_linux_tree 2>&1 \
    128 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE-LD
    129 //
    130 // Disregard any of the PIC-specific flags if we have a trump-card flag.
    131 // RUN: %clang -c %s -target i386-unknown-unknown -mkernel -fPIC -### 2>&1 \
    132 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
    133 // RUN: %clang -c %s -target i386-unknown-unknown -static -fPIC -### 2>&1 \
    134 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
    135 //
    136 // On Linux, disregard -pie if we have -shared.
    137 // RUN: %clang %s -target i386-unknown-linux -shared -pie -### 2>&1 \
    138 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIE
    139 //
    140 // Darwin is a beautiful and unique snowflake when it comes to these flags.
    141 // When targeting a 32-bit darwin system, the -fno-* flag variants work and
    142 // disable PIC, but any other flag enables PIC (*not* PIE) even if the flag
    143 // specifies PIE. On 64-bit targets, there is simply nothing you can do, there
    144 // is no PIE, there is only PIC when it comes to compilation.
    145 // RUN: %clang -c %s -target i386-apple-darwin -### 2>&1 \
    146 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    147 // RUN: %clang -c %s -target i386-apple-darwin -fpic -### 2>&1 \
    148 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    149 // RUN: %clang -c %s -target i386-apple-darwin -fPIC -### 2>&1 \
    150 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    151 // RUN: %clang -c %s -target i386-apple-darwin -fpie -### 2>&1 \
    152 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    153 // RUN: %clang -c %s -target i386-apple-darwin -fPIE -### 2>&1 \
    154 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    155 // RUN: %clang -c %s -target i386-apple-darwin -fno-PIC -### 2>&1 \
    156 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
    157 // RUN: %clang -c %s -target i386-apple-darwin -fno-PIE -### 2>&1 \
    158 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
    159 // RUN: %clang -c %s -target i386-apple-darwin -fno-PIC -fpic -### 2>&1 \
    160 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    161 // RUN: %clang -c %s -target i386-apple-darwin -fno-PIC -fPIE -### 2>&1 \
    162 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    163 // RUN: %clang -c %s -target x86_64-apple-darwin -fno-PIC -### 2>&1 \
    164 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    165 // RUN: %clang -c %s -target x86_64-apple-darwin -fno-PIE -### 2>&1 \
    166 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    167 // RUN: %clang -c %s -target x86_64-apple-darwin -fpic -### 2>&1 \
    168 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    169 // RUN: %clang -c %s -target x86_64-apple-darwin -fPIE -### 2>&1 \
    170 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    171 // RUN: %clang -c %s -target x86_64-apple-darwin -fPIC -### 2>&1 \
    172 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-UNUSED-ARG
    173 //
    174 // Darwin gets even more special with '-mdynamic-no-pic'. This flag is only
    175 // valid on Darwin, and it's behavior is very strange but needs to remain
    176 // consistent for compatibility.
    177 // RUN: %clang -c %s -target i386-unknown-unknown -mdynamic-no-pic -### 2>&1 \
    178 // RUN:   | FileCheck %s --check-prefix=CHECK-NON-DARWIN-DYNAMIC-NO-PIC
    179 // RUN: %clang -c %s -target i386-apple-darwin -mdynamic-no-pic -### 2>&1 \
    180 // RUN:   | FileCheck %s --check-prefix=CHECK-DYNAMIC-NO-PIC-32
    181 // RUN: %clang -c %s -target i386-apple-darwin -mdynamic-no-pic -fno-pic -### 2>&1 \
    182 // RUN:   | FileCheck %s --check-prefix=CHECK-DYNAMIC-NO-PIC-32
    183 // RUN: %clang -c %s -target i386-apple-darwin -mdynamic-no-pic -fpie -### 2>&1 \
    184 // RUN:   | FileCheck %s --check-prefix=CHECK-DYNAMIC-NO-PIC-32
    185 // RUN: %clang -c %s -target x86_64-apple-darwin -mdynamic-no-pic -### 2>&1 \
    186 // RUN:   | FileCheck %s --check-prefix=CHECK-DYNAMIC-NO-PIC-64
    187 // RUN: %clang -c %s -target x86_64-apple-darwin -mdynamic-no-pic -fno-pic -### 2>&1 \
    188 // RUN:   | FileCheck %s --check-prefix=CHECK-DYNAMIC-NO-PIC-64
    189 // RUN: %clang -c %s -target x86_64-apple-darwin -mdynamic-no-pic -fpie -### 2>&1 \
    190 // RUN:   | FileCheck %s --check-prefix=CHECK-DYNAMIC-NO-PIC-64
    191 //
    192 // Checks for ARM+Apple+IOS including -fapple-kext, -mkernel, and iphoneos
    193 // version boundaries.
    194 // RUN: %clang -c %s -target armv7-apple-ios -fapple-kext -miphoneos-version-min=6.0.0 -### 2>&1 \
    195 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    196 // RUN: %clang -c %s -target armv7-apple-ios -mkernel -miphoneos-version-min=6.0.0 -### 2>&1 \
    197 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    198 // RUN: %clang -c %s -target armv7-apple-ios -fapple-kext -miphoneos-version-min=5.0.0 -### 2>&1 \
    199 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
    200 // RUN: %clang -c %s -target armv7-apple-ios -fapple-kext -miphoneos-version-min=6.0.0 -static -### 2>&1 \
    201 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
    202 //
    203 // On OpenBSD, PIE is enabled by default, but can be disabled.
    204 // RUN: %clang -c %s -target amd64-pc-openbsd -### 2>&1 \
    205 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE1
    206 // RUN: %clang -c %s -target i386-pc-openbsd -### 2>&1 \
    207 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE1
    208 // RUN: %clang -c %s -target mips64-unknown-openbsd -### 2>&1 \
    209 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE1
    210 // RUN: %clang -c %s -target mips64el-unknown-openbsd -### 2>&1 \
    211 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE1
    212 // RUN: %clang -c %s -target powerpc-unknown-openbsd -### 2>&1 \
    213 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE2
    214 // RUN: %clang -c %s -target sparc64-unknown-openbsd -### 2>&1 \
    215 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE2
    216 // RUN: %clang -c %s -target i386-pc-openbsd -fno-pie -### 2>&1 \
    217 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
    218 //
    219 // On OpenBSD, -nopie needs to be passed through to the linker.
    220 // RUN: %clang %s -target i386-pc-openbsd -nopie -### 2>&1 \
    221 // RUN:   | FileCheck %s --check-prefix=CHECK-NOPIE-LD
    222 //
    223 // On Android PIC is enabled by default
    224 // RUN: %clang -c %s -target i686-linux-android -### 2>&1 \
    225 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
    226 // RUN: %clang -c %s -target arm-linux-androideabi -### 2>&1 \
    227 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC1
    228 // RUN: %clang -c %s -target mipsel-linux-android -### 2>&1 \
    229 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC1
    230 // RUN: %clang -c %s -target aarch64-linux-android -### 2>&1 \
    231 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC1
    232 // RUN: %clang -c %s -target arm64-linux-android -### 2>&1 \
    233 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC1
    234