xref: /aosp_15_r20/external/llvm/test/MC/ARM/multi-section-mapping.s (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker@ RUN: llvm-mc -triple=armv7-linux-gnueabi -filetype=obj < %s | llvm-objdump -t - | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker        .text
4*9880d681SAndroid Build Coastguard Worker        add r0, r0, r0
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker@ .wibble should *not* inherit .text's mapping symbol. It's a completely different section.
7*9880d681SAndroid Build Coastguard Worker        .section .wibble
8*9880d681SAndroid Build Coastguard Worker        add r0, r0, r0
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Worker@ A section should be able to start with a $t
11*9880d681SAndroid Build Coastguard Worker        .section .starts_thumb
12*9880d681SAndroid Build Coastguard Worker        .thumb
13*9880d681SAndroid Build Coastguard Worker        adds r0, r0, r0
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Worker@ A setion should be able to start with a $d
16*9880d681SAndroid Build Coastguard Worker        .section .starts_data
17*9880d681SAndroid Build Coastguard Worker        .word 42
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Worker@ Changing back to .text should not emit a redundant $a
20*9880d681SAndroid Build Coastguard Worker        .text
21*9880d681SAndroid Build Coastguard Worker        .arm
22*9880d681SAndroid Build Coastguard Worker        add r0, r0, r0
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Worker@ With all those constraints, we want:
25*9880d681SAndroid Build Coastguard Worker@   + .text to have $a at 0 and no others
26*9880d681SAndroid Build Coastguard Worker@   + .wibble to have $a at 0
27*9880d681SAndroid Build Coastguard Worker@   + .starts_thumb to have $t at 0
28*9880d681SAndroid Build Coastguard Worker@   + .starts_data to have $d at 0
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard Worker@ CHECK: 00000000 .text 00000000 $a
31*9880d681SAndroid Build Coastguard Worker@ CHECK-NEXT: 00000000 .wibble 00000000 $a
32*9880d681SAndroid Build Coastguard Worker@ CHECK-NEXT: 00000000 .starts_data 00000000 $d
33*9880d681SAndroid Build Coastguard Worker@ CHECK-NEXT: 00000000 .starts_thumb 00000000 $t
34*9880d681SAndroid Build Coastguard Worker@ CHECK-NOT: ${{[adt]}}
35*9880d681SAndroid Build Coastguard Worker
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