86 lines
4.4 KiB
Plaintext
86 lines
4.4 KiB
Plaintext
|
## Here we test how the --stackmap option can be used to dump .llvm_stackmaps sections.
|
||
|
|
|
||
|
|
## Check we are able to dump an empty .llvm_stackmaps section. Document that
|
||
|
|
## we are only trying to dump the first stack map section and ignore others if any.
|
||
|
|
|
||
|
|
# RUN: yaml2obj %s -o %t
|
||
|
|
# RUN: llvm-readobj %t --stackmap 2>&1 | \
|
||
|
|
# RUN: FileCheck %s --check-prefix=EMPTY --implicit-check-not=warning:
|
||
|
|
# RUN: llvm-readelf %t --stackmap 2>&1 | \
|
||
|
|
# RUN: FileCheck %s --check-prefix=EMPTY --implicit-check-not=warning:
|
||
|
|
|
||
|
|
# EMPTY: LLVM StackMap Version: 3
|
||
|
|
# EMPTY-NEXT: Num Functions: 0
|
||
|
|
# EMPTY-NEXT: Num Constants: 0
|
||
|
|
# EMPTY-NEXT: Num Records: 0
|
||
|
|
# EMPTY-NOT: {{.}}
|
||
|
|
|
||
|
|
--- !ELF
|
||
|
|
FileHeader:
|
||
|
|
Class: ELFCLASS64
|
||
|
|
Data: ELFDATA2LSB
|
||
|
|
Type: ET_REL
|
||
|
|
Sections:
|
||
|
|
- Name: [[NAME=.llvm_stackmaps]]
|
||
|
|
Type: SHT_PROGBITS
|
||
|
|
ContentArray: [ [[VERSION=0x3]] ]
|
||
|
|
Size: [[SIZE=16]]
|
||
|
|
ShSize: [[SHSIZE=<none>]]
|
||
|
|
ShOffset: [[SHOFFSET=<none>]]
|
||
|
|
## An arbitrary second broken .llvm_stackmaps section.
|
||
|
|
- Name: .llvm_stackmaps (1)
|
||
|
|
Type: SHT_PROGBITS
|
||
|
|
ContentArray: [ 0xFF ]
|
||
|
|
Size: 0x1
|
||
|
|
|
||
|
|
## Hide the first stack map section to allow dumpers to locate and validate the second one, which is broken.
|
||
|
|
## Check we are able to find it and report a warning properly.
|
||
|
|
|
||
|
|
# RUN: yaml2obj %s -DNAME=.foo -o %t.second
|
||
|
|
# RUN: llvm-readobj %t.second --stackmap 2>&1 | \
|
||
|
|
# RUN: FileCheck %s --check-prefix=SECOND -DFILE=%t.second --implicit-check-not=warning:
|
||
|
|
# RUN: llvm-readelf %t.second --stackmap 2>&1 | \
|
||
|
|
# RUN: FileCheck %s --check-prefix=SECOND -DFILE=%t.second --implicit-check-not=warning:
|
||
|
|
|
||
|
|
# SECOND: warning: '[[FILE]]': unable to read the stack map from SHT_PROGBITS section with index 2: the stack map section size (1) is less than the minimum possible size of its header (16)
|
||
|
|
|
||
|
|
## Check we report a warning when the size of the .llvm_stackmaps section is less
|
||
|
|
## than the minimum possible size of its header.
|
||
|
|
|
||
|
|
# RUN: yaml2obj %s -DSHSIZE=0 -o %t.trunc0
|
||
|
|
# RUN: llvm-readobj %t.trunc0 --stackmap 2>&1 | FileCheck %s -DFILE=%t.trunc0 --check-prefix=TRUNC -DVAL=0
|
||
|
|
# RUN: llvm-readelf %t.trunc0 --stackmap 2>&1 | FileCheck %s -DFILE=%t.trunc0 --check-prefix=TRUNC -DVAL=0
|
||
|
|
|
||
|
|
# RUN: yaml2obj %s -DSIZE=1 -o %t.trunc1
|
||
|
|
# RUN: llvm-readobj %t.trunc1 --stackmap 2>&1 | FileCheck %s -DFILE=%t.trunc1 --check-prefix=TRUNC -DVAL=1
|
||
|
|
# RUN: llvm-readelf %t.trunc1 --stackmap 2>&1 | FileCheck %s -DFILE=%t.trunc1 --check-prefix=TRUNC -DVAL=1
|
||
|
|
|
||
|
|
# RUN: yaml2obj %s -DSIZE=15 -o %t.trunc15
|
||
|
|
# RUN: llvm-readobj %t.trunc15 --stackmap 2>&1 | FileCheck %s -DFILE=%t.trunc15 --check-prefix=TRUNC -DVAL=15
|
||
|
|
# RUN: llvm-readelf %t.trunc15 --stackmap 2>&1 | FileCheck %s -DFILE=%t.trunc15 --check-prefix=TRUNC -DVAL=15
|
||
|
|
|
||
|
|
# TRUNC: warning: '[[FILE]]': unable to read the stack map from SHT_PROGBITS section with index 1: the stack map section size ([[VAL]]) is less than the minimum possible size of its header (16)
|
||
|
|
|
||
|
|
## Check that we report a warning when the version of the stack map section is not supported.
|
||
|
|
|
||
|
|
# RUN: yaml2obj %s -DVERSION=2 -o %t.ver2
|
||
|
|
# RUN: llvm-readobj %t.ver2 --stackmap 2>&1 | \
|
||
|
|
# RUN: FileCheck %s --check-prefix=VERSION -DFILE=%t.ver2 --implicit-check-not=warning: -DVERSION=2
|
||
|
|
# RUN: llvm-readelf %t.ver2 --stackmap 2>&1 | \
|
||
|
|
# RUN: FileCheck %s --check-prefix=VERSION -DFILE=%t.ver2 --implicit-check-not=warning: -DVERSION=2
|
||
|
|
|
||
|
|
# RUN: yaml2obj %s -DVERSION=4 -o %t.ver4
|
||
|
|
# RUN: llvm-readobj %t.ver4 --stackmap 2>&1 | \
|
||
|
|
# RUN: FileCheck %s --check-prefix=VERSION -DFILE=%t.ver4 --implicit-check-not=warning: -DVERSION=4
|
||
|
|
# RUN: llvm-readelf %t.ver4 --stackmap 2>&1 | \
|
||
|
|
# RUN: FileCheck %s --check-prefix=VERSION -DFILE=%t.ver4 --implicit-check-not=warning: -DVERSION=4
|
||
|
|
|
||
|
|
# VERSION: warning: '[[FILE]]': unable to read the stack map from SHT_PROGBITS section with index 1: the version ([[VERSION]]) of the stack map section is unsupported, the supported version is 3
|
||
|
|
|
||
|
|
## Check that we report a warning when we are unable to read the content of the stack map section.
|
||
|
|
# RUN: yaml2obj %s -DSHOFFSET=0xffff -o %t.offset
|
||
|
|
# RUN: llvm-readobj %t.offset --stackmap 2>&1 | FileCheck %s -DFILE=%t.offset --check-prefix=OFFSET
|
||
|
|
# RUN: llvm-readelf %t.offset --stackmap 2>&1 | FileCheck %s -DFILE=%t.offset --check-prefix=OFFSET
|
||
|
|
|
||
|
|
# OFFSET: warning: '[[FILE]]': unable to read the stack map from SHT_PROGBITS section with index 1: section [index 1] has a sh_offset (0xffff) + sh_size (0x10) that is greater than the file size (0x1b8)
|