[PATCH] D76920: [llvm-readobj] - Improve test of --elf-hash-histogram option.
George Rimar via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Mar 30 05:55:41 PDT 2020
This revision was automatically updated to reflect the committed changes.
Closed by commit rG4cbfb98eb362: [llvm-readobj] - Improve test of --elf-hash-histogram option. (authored by grimar).
Herald added a project: LLVM.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D76920/new/
https://reviews.llvm.org/D76920
Files:
llvm/test/tools/llvm-readobj/ELF/hash-histogram.test
Index: llvm/test/tools/llvm-readobj/ELF/hash-histogram.test
===================================================================
--- llvm/test/tools/llvm-readobj/ELF/hash-histogram.test
+++ llvm/test/tools/llvm-readobj/ELF/hash-histogram.test
@@ -1,20 +1,30 @@
## Here we test the --elf-hash-histogram command line option.
-## This test case checks how we built a histogram for a GNU hash section.
-## We check both 32-bit and 64-bit inputs.
+## This test case checks how we built histograms for hash sections.
# RUN: yaml2obj --docnum=1 -D BITS=32 %s -o %t1-32.o
-# RUN: llvm-readelf --elf-hash-histogram %t1-32.o | FileCheck %s --check-prefix=GNU-HASH
+# RUN: llvm-readelf --elf-hash-histogram %t1-32.o | FileCheck %s --check-prefix=HIST
+
+## Test --histogram and -I aliases.
+# RUN: llvm-readelf --histogram %t1-32.o | FileCheck %s --check-prefix=HIST
+# RUN: llvm-readelf -I %t1-32.o | FileCheck %s --check-prefix=HIST
# RUN: yaml2obj --docnum=1 -D BITS=64 %s -o %t1-64.o
-# RUN: llvm-readelf --elf-hash-histogram %t1-64.o | FileCheck %s --check-prefix=GNU-HASH
+# RUN: llvm-readelf --elf-hash-histogram %t1-64.o | FileCheck %s --check-prefix=HIST
-# GNU-HASH: Histogram for `.gnu.hash' bucket list length (total of 3 buckets)
-# GNU-HASH-NEXT: Length Number % of total Coverage
-# GNU-HASH-NEXT: 0 1 ( 33.3%) 0.0%
-# GNU-HASH-NEXT: 1 1 ( 33.3%) 25.0%
-# GNU-HASH-NEXT: 2 0 ( 0.0%) 25.0%
-# GNU-HASH-NEXT: 3 1 ( 33.3%) 100.0%
+# HIST: Histogram for bucket list length (total of 3 buckets)
+# HIST-NEXT: Length Number % of total Coverage
+# HIST-NEXT: 0 2 ( 66.7%) 0.0%
+# HIST-NEXT: 1 0 ( 0.0%) 0.0%
+# HIST-NEXT: 2 0 ( 0.0%) 0.0%
+# HIST-NEXT: 3 1 ( 33.3%) 100.0%
+# HIST-NEXT: Histogram for `.gnu.hash' bucket list length (total of 3 buckets)
+# HIST-NEXT: Length Number % of total Coverage
+# HIST-NEXT: 0 1 ( 33.3%) 0.0%
+# HIST-NEXT: 1 1 ( 33.3%) 25.0%
+# HIST-NEXT: 2 0 ( 0.0%) 25.0%
+# HIST-NEXT: 3 1 ( 33.3%) 100.0%
+# HIST-NOT: {{.}}
--- !ELF
FileHeader:
@@ -23,6 +33,11 @@
Type: ET_DYN
Machine: EM_386
Sections:
+ - Name: .hash
+ Type: SHT_HASH
+ Flags: [ SHF_ALLOC ]
+ Bucket: [ 6, 4, 5 ]
+ Chain: [ 0, 0, 1, 0, 2 ]
- Name: .gnu.hash
Type: SHT_GNU_HASH
Flags: [ SHF_ALLOC ]
@@ -36,8 +51,11 @@
Type: SHT_DYNAMIC
Flags: [ SHF_WRITE, SHF_ALLOC ]
Entries:
- - Tag: DT_GNU_HASH
+ - Tag: DT_HASH
Value: 0x0
+ - Tag: DT_GNU_HASH
+## sizeof(.hash) == 0x28.
+ Value: 0x28
- Tag: DT_NULL
Value: 0x0
DynamicSymbols:
@@ -48,6 +66,7 @@
ProgramHeaders:
- Type: PT_LOAD
Sections:
+ - Section: .hash
- Section: .gnu.hash
- Section: .dynamic
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D76920.253572.patch
Type: text/x-patch
Size: 2992 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20200330/a29a077b/attachment-0001.bin>
More information about the llvm-commits
mailing list