lld/test/ELF/aarch64-feature-pauth.s

# REQUIRES: aarch64

# RUN: rm -rf %t && split-file %s %t && cd %t

# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag1.s -o tag1.o
# RUN: cp tag1.o tag1a.o
# RUN: ld.lld -shared tag1.o tag1a.o -o tagok.so
# RUN: llvm-readelf -n tagok.so | FileCheck --check-prefix OK %s

# OK: AArch64 PAuth ABI core info: platform 0x2a (unknown), version 0x1

# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag2.s -o tag2.o
# RUN: not ld.lld tag1.o tag1a.o tag2.o -o /dev/null 2>&1 | FileCheck --check-prefix ERR1 %s

# ERR1:      error: incompatible values of AArch64 PAuth core info found
# ERR1-NEXT: >>> tag1.o: 0x2a000000000000000{{1|2}}00000000000000
# ERR1-NEXT: >>> tag2.o: 0x2a000000000000000{{1|2}}00000000000000

# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag-short.s -o short.o
# RUN: not ld.lld short.o -o /dev/null 2>&1 | FileCheck --check-prefix ERR2 %s

# ERR2: error: short.o:(.note.gnu.property+0x0): GNU_PROPERTY_AARCH64_FEATURE_PAUTH entry is invalid: expected 16 bytes, but got 12

# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag-long.s -o long.o
# RUN: not ld.lld long.o -o /dev/null 2>&1 | FileCheck --check-prefix ERR3 %s

# ERR3: error: long.o:(.note.gnu.property+0x0): GNU_PROPERTY_AARCH64_FEATURE_PAUTH entry is invalid: expected 16 bytes, but got 24

# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag-multiple.s -o multiple.o
# RUN: not ld.lld multiple.o -o /dev/null 2>&1 | FileCheck --check-prefix ERR4 %s
# ERR4: error: multiple.o:(.note.gnu.property+0x0): multiple GNU_PROPERTY_AARCH64_FEATURE_PAUTH entries are not supported

# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu no-info.s -o noinfo1.o
# RUN: cp noinfo1.o noinfo2.o
# RUN: not ld.lld -z pauth-report=error noinfo1.o tag1.o noinfo2.o -o /dev/null 2>&1 | FileCheck --check-prefix ERR5 %s
# RUN: ld.lld -z pauth-report=warning noinfo1.o tag1.o noinfo2.o -o /dev/null 2>&1 | FileCheck --check-prefix WARN1 %s
# RUN: ld.lld -z pauth-report=none noinfo1.o tag1.o noinfo2.o --fatal-warnings -o /dev/null

# ERR5:      error: noinfo1.o: -z pauth-report: file does not have AArch64 PAuth core info while 'tag1.o' has one
# ERR5-NEXT: error: noinfo2.o: -z pauth-report: file does not have AArch64 PAuth core info while 'tag1.o' has one
# WARN1:      warning: noinfo1.o: -z pauth-report: file does not have AArch64 PAuth core info while 'tag1.o' has one
# WARN1-NEXT: warning: noinfo2.o: -z pauth-report: file does not have AArch64 PAuth core info while 'tag1.o' has one

# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag-zero.s            -o tag-zero.o
# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-func2.s -o func2.o
# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-func3.s -o func3.o
# RUN: ld.lld func3.o --shared -o func3.so
# RUN: ld.lld tag1.o func2.o func3.so -z pac-plt --shared -o pacplt-nowarn --fatal-warnings
# RUN: ld.lld tag-zero.o func2.o func3.so -z pac-plt --shared -o pacplt-warn 2>&1 | FileCheck --check-prefix WARN2 %s

# WARN2:      warning: tag-zero.o: -z pac-plt: file does not have GNU_PROPERTY_AARCH64_FEATURE_1_PAC property and no valid PAuth core info present for this link job
# WARN2-NEXT: warning: func2.o: -z pac-plt: file does not have GNU_PROPERTY_AARCH64_FEATURE_1_PAC property and no valid PAuth core info present for this link job

# RUN: llvm-readelf -d pacplt-nowarn | FileCheck --check-prefix=PACPLTTAG %s
# RUN: llvm-readelf -d pacplt-warn   | FileCheck --check-prefix=PACPLTTAG %s

# PACPLTTAG:      0x0000000070000003 (AARCH64_PAC_PLT)

# RUN: llvm-objdump -d pacplt-nowarn | FileCheck --check-prefixes=PACPLT,NOHINT -DA=10380 -DB=478 -DC=480 %s
# RUN: llvm-objdump -d pacplt-warn   | FileCheck --check-prefixes=PACPLT,HINT   -DA=10390 -DB=488 -DC=490 %s

# PACPLT: Disassembly of section .text:
# PACPLT:      <func2>:
# PACPLT-NEXT:     bl      0x[[A]] <func3@plt>
# PACPLT-NEXT:     ret
# PACPLT: Disassembly of section .plt:
# PACPLT:      <.plt>:
# PACPLT-NEXT:     stp     x16, x30, [sp, #-0x10]!
# PACPLT-NEXT:     adrp    x16, 0x30000 <func3+0x30000>
# PACPLT-NEXT:     ldr     x17, [x16, #0x[[B]]]
# PACPLT-NEXT:     add     x16, x16, #0x[[B]]
# PACPLT-NEXT:     br      x17
# PACPLT-NEXT:     nop
# PACPLT-NEXT:     nop
# PACPLT-NEXT:     nop
# PACPLT:      <func3@plt>:
# PACPLT-NEXT:     adrp    x16, 0x30000 <func3+0x30000>
# PACPLT-NEXT:     ldr     x17, [x16, #0x[[C]]]
# PACPLT-NEXT:     add     x16, x16, #0x[[C]]
# NOHINT-NEXT:     braa    x17, x16
# NOHINT-NEXT:     nop
# HINT-NEXT:       autia1716
# HINT-NEXT:       br      x17
# PACPLT-NEXT:     nop

# RUN: not ld.lld tag1.o -z pauth-report=u 2>&1 | FileCheck --check-prefix=REPORT-ERR %s
# REPORT-ERR:  error: unknown -z pauth-report= value: u{{$}}
# REPORT-EMPTY:

#--- abi-tag-short.s

.section ".note.gnu.property", "a"
.long 4
.long 20
.long 5
.asciz "GNU"
.long 0xc0000001
.long 12
.quad 2
.long 31

#--- abi-tag-long.s

.section ".note.gnu.property", "a"
.long 4
.long 32
.long 5
.asciz "GNU"
.long 0xc0000001
.long 24
.quad 2
.quad 31
.quad 0

#--- abi-tag-multiple.s

.section ".note.gnu.property", "a"
.long 4
.long 48
.long 5
.asciz "GNU"
.long 0xc0000001
.long 16
.quad 42 // platform
.quad 1  // version
.long 0xc0000001
.long 16
.quad 42 // platform
.quad 1  // version

#--- abi-tag1.s

.section ".note.gnu.property", "a"
.long 4
.long 24
.long 5
.asciz "GNU"
.long 0xc0000001
.long 16
.quad 42 // platform
.quad 1  // version

#--- abi-tag2.s

.section ".note.gnu.property", "a"
.long 4
.long 24
.long 5
.asciz "GNU"
.long 0xc0000001
.long 16
.quad 42 // platform
.quad 2  // version

#--- abi-tag-zero.s

.section ".note.gnu.property", "a"
.long 4
.long 24
.long 5
.asciz "GNU"
.long 0xc0000001
.long 16
.quad 0  // platform
.quad 0  // version

#--- no-info.s

## define _start to avoid missing entry warning and use --fatal-warnings to assert no diagnostic
## allow multiple definitions of _start for simplicity
.weak _start;
_start: