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comparison test/MC/Sparc/sparc-tls-relocations.s @ 122:36195a0db682

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merging ( incomplete )
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 17 Nov 2017 20:32:31 +0900
parents 803732b1fca8
children c2174574ed3a
comparison
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119:d9df2cbd60cd 122:36195a0db682
1 ! Testing Sparc TLS relocations emission
2 ! (for now a couple local ones).
3 !
4 ! RUN: llvm-mc %s -arch=sparc -show-encoding | FileCheck %s --check-prefix=ASM
5 ! RUN: llvm-mc %s -arch=sparcv9 -show-encoding | FileCheck %s --check-prefix=ASM
6 ! RUN: llvm-mc %s -arch=sparc -filetype=obj | llvm-readobj -r | FileCheck %s --check-prefix=REL
7 ! RUN: llvm-mc %s -arch=sparcv9 -filetype=obj | llvm-readobj -r | FileCheck %s --check-prefix=REL
8 ! RUN: llvm-mc %s -arch=sparc -filetype=obj | llvm-objdump -r -d - | FileCheck %s --check-prefix=OBJDUMP
9 ! RUN: llvm-mc %s -arch=sparcv9 -filetype=obj | llvm-objdump -r -d - | FileCheck %s --check-prefix=OBJDUMP
10
11 ! REL: Arch: sparc
12 ! REL: Relocations [
13 ! REL: 0x{{[0-9,A-F]+}} R_SPARC_TLS_LE_HIX22 Head 0x0
14 ! REL: 0x{{[0-9,A-F]+}} R_SPARC_TLS_LE_LOX10 Head 0x0
15 ! REL: 0x{{[0-9,A-F]+}} R_SPARC_TLS_LDO_HIX22 Head 0x0
16 ! REL: 0x{{[0-9,A-F]+}} R_SPARC_TLS_LDM_HI22 Head 0x0
17 ! REL: 0x{{[0-9,A-F]+}} R_SPARC_TLS_LDM_LO10 Head 0x0
18 ! REL: 0x{{[0-9,A-F]+}} R_SPARC_TLS_LDO_LOX10 Head 0x0
19 ! REL: ]
20
21
22 ! OBJDUMP: foo:
23 foo:
24 ! Here we use two different sequences to get the address of a static TLS variable 'Head'
25 ! (note - there is no intent to have valid assembler function here,
26 ! we just check how TLS relocations are emitted)
27 !
28 ! First sequence uses LE_HIX22/LE_LOX10
29
30 ! OBJDUMP: {{[0-9,a-f]+}}: 31 00 00 00 sethi 0, %i0
31 ! OBJDUMP: {{[0-9,a-f]+}}: R_SPARC_TLS_LE_HIX22 Unknown
32 ! ASM: sethi %tle_hix22(Head), %i0 ! encoding: [0x31,0x00,0x00,0x00]
33 ! ASM: ! fixup A - offset: 0, value: %tle_hix22(Head), kind: fixup_sparc_tls_le_hix22
34 sethi %tle_hix22(Head), %i0
35
36 ! OBJDUMP: {{[0-9,a-f]+}}: b0 1e 20 00 xor %i0, 0, %i0
37 ! OBJDUMP: {{[0-9,a-f]+}}: R_SPARC_TLS_LE_LOX10 Unknown
38 ! ASM: xor %i0, %tle_lox10(Head), %i0 ! encoding: [0xb0,0x1e,0x20,0x00]
39 ! ASM: ! fixup A - offset: 0, value: %tle_lox10(Head), kind: fixup_sparc_tls_le_lox10
40 xor %i0, %tle_lox10(Head), %i0
41
42
43 ! Second sequence is for PIC, so it is more complicated.
44 ! It uses LDO_HIX22/LDO_LOX10/LDO_ADD/LDM_HI22/LDM_LO10/LDM_ADD/LDM_CALL
45
46 ! OBJDUMP: {{[0-9,a-f]+}}: 33 00 00 00 sethi 0, %i1
47 ! OBJDUMP: {{[0-9,a-f]+}}: R_SPARC_TLS_LDO_HIX22 Unknown
48 ! ASM: sethi %tldo_hix22(Head), %i1 ! encoding: [0x33,0b00AAAAAA,A,A]
49 ! ASM: ! fixup A - offset: 0, value: %tldo_hix22(Head), kind: fixup_sparc_tls_ldo_hix22
50 sethi %tldo_hix22(Head), %i1
51
52 ! OBJDUMP: {{[0-9,a-f]+}}: 35 00 00 00 sethi 0, %i2
53 ! OBJDUMP: {{[0-9,a-f]+}}: R_SPARC_TLS_LDM_HI22 Unknown
54 ! ASM: sethi %tldm_hi22(Head), %i2 ! encoding: [0x35,0b00AAAAAA,A,A]
55 ! ASM: ! fixup A - offset: 0, value: %tldm_hi22(Head), kind: fixup_sparc_tls_ldm_hi22
56 sethi %tldm_hi22(Head), %i2
57
58 ! OBJDUMP: {{[0-9,a-f]+}}: b4 06 a0 00 add %i2, 0, %i2
59 ! OBJDUMP: {{[0-9,a-f]+}}: R_SPARC_TLS_LDM_LO10 Unknown
60 ! ASM: add %i2, %tldm_lo10(Head), %i2 ! encoding: [0xb4,0x06,0b101000AA,A]
61 ! ASM: ! fixup A - offset: 0, value: %tldm_lo10(Head), kind: fixup_sparc_tls_ldm_lo10
62 add %i2, %tldm_lo10(Head), %i2
63
64 ! ???error from llvm-mc on the next asm line???
65 ! add %i0, %i2, %o0, %tldm_add(Head)
66
67 ! OBJDUMP: {{[0-9,a-f]+}}: b0 1e 60 00 xor %i1, 0, %i0
68 ! OBJDUMP: {{[0-9,a-f]+}}: R_SPARC_TLS_LDO_LOX10 Unknown
69 ! ASM: xor %i1, %tldo_lox10(Head), %i0 ! encoding: [0xb0,0x1e,0b011000AA,A]
70 ! ASM: ! fixup A - offset: 0, value: %tldo_lox10(Head), kind: fixup_sparc_tls_ldo_lox10
71 xor %i1, %tldo_lox10(Head), %i0
72
73 ! ???error from llvm-mc on the next asm line???
74 ! call __tls_get_addr, %tldm_call(Head)
75 ! nop
76 ! ???error from llvm-mc on the next asm line???
77 ! add %o0, %i0, %i0, %tldo_add(Head)
78
79 .type Head,@object
80 .section .tbss,#alloc,#write,#tls
81 Head:
82 .word 0
83 .size Head, 4