| ## 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) |