[lld] r232404 - [LinkerScript] Adding test cases for SECTIONS semantics
Rafael Auler
rafaelauler at gmail.com
Mon Mar 16 12:56:43 PDT 2015
Author: rafauler
Date: Mon Mar 16 14:56:42 2015
New Revision: 232404
URL: http://llvm.org/viewvc/llvm-project?rev=232404&view=rev
Log:
[LinkerScript] Adding test cases for SECTIONS semantics
Added:
lld/trunk/test/elf/linkerscript/Inputs/prog1.o.yaml
lld/trunk/test/elf/linkerscript/Inputs/prog2.o.yaml
lld/trunk/test/elf/linkerscript/Inputs/prog3.o.yaml
lld/trunk/test/elf/linkerscript/sections-order.test
lld/trunk/test/elf/linkerscript/sections-with-wildcards.test
Added: lld/trunk/test/elf/linkerscript/Inputs/prog1.o.yaml
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/elf/linkerscript/Inputs/prog1.o.yaml?rev=232404&view=auto
==============================================================================
--- lld/trunk/test/elf/linkerscript/Inputs/prog1.o.yaml (added)
+++ lld/trunk/test/elf/linkerscript/Inputs/prog1.o.yaml Mon Mar 16 14:56:42 2015
@@ -0,0 +1,88 @@
+---
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ OSABI: ELFOSABI_GNU
+ Type: ET_REL
+ Machine: EM_X86_64
+Sections:
+ - Name: .text
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
+ AddressAlign: 0x0000000000000010
+ Content: 554889E5B000E800000000BF01000000BA0E0000004889C6E80000000031C05DC3
+ - Name: .rela.text
+ Type: SHT_RELA
+ Link: .symtab
+ AddressAlign: 0x0000000000000008
+ Info: .text
+ Relocations:
+ - Offset: 0x0000000000000007
+ Symbol: prog2
+ Type: R_X86_64_PC32
+ Addend: -4
+ - Offset: 0x0000000000000019
+ Symbol: write
+ Type: R_X86_64_PC32
+ Addend: -4
+ - Name: .data
+ Type: SHT_PROGBITS
+ Flags: [ SHF_WRITE, SHF_ALLOC ]
+ AddressAlign: 0x0000000000000004
+ Content: ''
+ - Name: .bss
+ Type: SHT_NOBITS
+ Flags: [ SHF_WRITE, SHF_ALLOC ]
+ AddressAlign: 0x0000000000000004
+ Content: ''
+ - Name: .comment
+ Type: SHT_PROGBITS
+ Flags: [ SHF_MERGE, SHF_STRINGS ]
+ AddressAlign: 0x0000000000000001
+ Content: 00636C616E672076657273696F6E20332E372E302028687474703A2F2F6C6C766D2E6F72672F6769742F636C616E672E6769742036336134646334616430343938646139623934386330383263623735336430353735323938346638292028687474703A2F2F6C6C766D2E6F72672F6769742F6C6C766D2E67697420623838363135326664656538376564653738613565643965616638663664313839343033616266312900
+ - Name: .note.GNU-stack
+ Type: SHT_PROGBITS
+ AddressAlign: 0x0000000000000001
+ Content: ''
+ - Name: .eh_frame
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC ]
+ AddressAlign: 0x0000000000000008
+ Content: 1400000000000000037A5200017810011B0C0708900100001C0000001C000000000000002100000000410E108602430D0600000000000000
+ - Name: .rela.eh_frame
+ Type: SHT_RELA
+ Link: .symtab
+ AddressAlign: 0x0000000000000008
+ Info: .eh_frame
+ Relocations:
+ - Offset: 0x0000000000000020
+ Symbol: .text
+ Type: R_X86_64_PC32
+Symbols:
+ Local:
+ - Name: .text
+ Type: STT_SECTION
+ Section: .text
+ - Name: .data
+ Type: STT_SECTION
+ Section: .data
+ - Name: .bss
+ Type: STT_SECTION
+ Section: .bss
+ - Name: .comment
+ Type: STT_SECTION
+ Section: .comment
+ - Name: .note.GNU-stack
+ Type: STT_SECTION
+ Section: .note.GNU-stack
+ - Name: .eh_frame
+ Type: STT_SECTION
+ Section: .eh_frame
+ Global:
+ - Name: main
+ Type: STT_FUNC
+ Section: .text
+ Size: 0x0000000000000021
+ - Name: prog2
+ - Name: write
+...
Added: lld/trunk/test/elf/linkerscript/Inputs/prog2.o.yaml
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/elf/linkerscript/Inputs/prog2.o.yaml?rev=232404&view=auto
==============================================================================
--- lld/trunk/test/elf/linkerscript/Inputs/prog2.o.yaml (added)
+++ lld/trunk/test/elf/linkerscript/Inputs/prog2.o.yaml Mon Mar 16 14:56:42 2015
@@ -0,0 +1,89 @@
+---
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ OSABI: ELFOSABI_GNU
+ Type: ET_REL
+ Machine: EM_X86_64
+Sections:
+ - Name: .text
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
+ AddressAlign: 0x0000000000000010
+ Content: 554889E548B800000000000000005DC3
+ - Name: .rela.text
+ Type: SHT_RELA
+ Link: .symtab
+ AddressAlign: 0x0000000000000008
+ Info: .text
+ Relocations:
+ - Offset: 0x0000000000000006
+ Symbol: .rodata.str1.1
+ Type: R_X86_64_64
+ - Name: .data
+ Type: SHT_PROGBITS
+ Flags: [ SHF_WRITE, SHF_ALLOC ]
+ AddressAlign: 0x0000000000000004
+ Content: ''
+ - Name: .bss
+ Type: SHT_NOBITS
+ Flags: [ SHF_WRITE, SHF_ALLOC ]
+ AddressAlign: 0x0000000000000004
+ Content: ''
+ - Name: .rodata.str1.1
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC, SHF_MERGE, SHF_STRINGS ]
+ AddressAlign: 0x0000000000000001
+ Content: 48656C6C6F2C20776F726C64210A00
+ - Name: .comment
+ Type: SHT_PROGBITS
+ Flags: [ SHF_MERGE, SHF_STRINGS ]
+ AddressAlign: 0x0000000000000001
+ Content: 00636C616E672076657273696F6E20332E372E302028687474703A2F2F6C6C766D2E6F72672F6769742F636C616E672E6769742036336134646334616430343938646139623934386330383263623735336430353735323938346638292028687474703A2F2F6C6C766D2E6F72672F6769742F6C6C766D2E67697420623838363135326664656538376564653738613565643965616638663664313839343033616266312900
+ - Name: .note.GNU-stack
+ Type: SHT_PROGBITS
+ AddressAlign: 0x0000000000000001
+ Content: ''
+ - Name: .eh_frame
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC ]
+ AddressAlign: 0x0000000000000008
+ Content: 1400000000000000037A5200017810011B0C0708900100001C0000001C000000000000001000000000410E108602430D0600000000000000
+ - Name: .rela.eh_frame
+ Type: SHT_RELA
+ Link: .symtab
+ AddressAlign: 0x0000000000000008
+ Info: .eh_frame
+ Relocations:
+ - Offset: 0x0000000000000020
+ Symbol: .text
+ Type: R_X86_64_PC32
+Symbols:
+ Local:
+ - Name: .text
+ Type: STT_SECTION
+ Section: .text
+ - Name: .data
+ Type: STT_SECTION
+ Section: .data
+ - Name: .bss
+ Type: STT_SECTION
+ Section: .bss
+ - Name: .rodata.str1.1
+ Type: STT_SECTION
+ Section: .rodata.str1.1
+ - Name: .comment
+ Type: STT_SECTION
+ Section: .comment
+ - Name: .note.GNU-stack
+ Type: STT_SECTION
+ Section: .note.GNU-stack
+ - Name: .eh_frame
+ Type: STT_SECTION
+ Section: .eh_frame
+ Global:
+ - Name: prog2
+ Type: STT_FUNC
+ Section: .text
+ Size: 0x0000000000000010
+...
Added: lld/trunk/test/elf/linkerscript/Inputs/prog3.o.yaml
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/elf/linkerscript/Inputs/prog3.o.yaml?rev=232404&view=auto
==============================================================================
--- lld/trunk/test/elf/linkerscript/Inputs/prog3.o.yaml (added)
+++ lld/trunk/test/elf/linkerscript/Inputs/prog3.o.yaml Mon Mar 16 14:56:42 2015
@@ -0,0 +1,52 @@
+---
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ OSABI: ELFOSABI_GNU
+ Type: ET_REL
+ Machine: EM_X86_64
+Sections:
+ - Name: .text
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
+ AddressAlign: 0x0000000000000004
+ Content: B8010000000F05C3E800000000B83C0000000F05C3
+ - Name: .rela.text
+ Type: SHT_RELA
+ Link: .symtab
+ AddressAlign: 0x0000000000000008
+ Info: .text
+ Relocations:
+ - Offset: 0x0000000000000009
+ Symbol: main
+ Type: R_X86_64_PC32
+ Addend: -4
+ - Name: .data
+ Type: SHT_PROGBITS
+ Flags: [ SHF_WRITE, SHF_ALLOC ]
+ AddressAlign: 0x0000000000000004
+ Content: ''
+ - Name: .bss
+ Type: SHT_NOBITS
+ Flags: [ SHF_WRITE, SHF_ALLOC ]
+ AddressAlign: 0x0000000000000004
+ Content: ''
+Symbols:
+ Local:
+ - Name: .text
+ Type: STT_SECTION
+ Section: .text
+ - Name: .data
+ Type: STT_SECTION
+ Section: .data
+ - Name: .bss
+ Type: STT_SECTION
+ Section: .bss
+ Global:
+ - Name: _start
+ Section: .text
+ Value: 0x0000000000000008
+ - Name: write
+ Section: .text
+ - Name: main
+...
Added: lld/trunk/test/elf/linkerscript/sections-order.test
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/elf/linkerscript/sections-order.test?rev=232404&view=auto
==============================================================================
--- lld/trunk/test/elf/linkerscript/sections-order.test (added)
+++ lld/trunk/test/elf/linkerscript/sections-order.test Mon Mar 16 14:56:42 2015
@@ -0,0 +1,97 @@
+/*
+Tests a simple linker script that changes the order of output sections and
+also changes the address of output sections by using simple expressions.
+
+This test uses three X86-64 input objects, prog1.o, prog2.o and prog3.o,
+which were created with the following C or assembly code:
+
+*** prog1.o:
+
+(command line clang -c prog1.c -o prog1.o)
+
+const char *prog2();
+void write(int, const char *, int);
+
+int main() {
+ write(1, prog2(), 14);
+}
+
+*** prog2.o:
+
+(command line clang -c prog2.c -o prog2.o)
+
+const char *prog2() {
+ return "Hello, world!\n";
+}
+
+*** prog3.o:
+
+(command line clang -c prog3.S -o prog3.o)
+
+ .globl write
+write:
+ mov $1, %eax
+ syscall
+ ret
+
+ .globl _start
+_start:
+ call main
+ mov $60, %eax
+ syscall
+ ret
+
+We use the following linker script for this test:
+*/
+
+ENTRY(_start)
+
+SECTIONS
+{
+ . = 0x500000;
+ .text : { prog1.o(.text) }
+ .mystring : { prog2.o(.rodata.str1.1) }
+ . = . + 0x6000;
+ .text.2 : {prog3.o(.text) prog2.o(.text) }
+}
+
+/*
+RUN: mkdir -p %T
+RUN: yaml2obj -format=elf %p/Inputs/prog1.o.yaml -o=%T/prog1.o
+RUN: yaml2obj -format=elf %p/Inputs/prog2.o.yaml -o=%T/prog2.o
+RUN: yaml2obj -format=elf %p/Inputs/prog3.o.yaml -o=%T/prog3.o
+RUN: cd %T
+
+RUN: lld -flavor gnu -target x86_64 -T %s prog1.o prog2.o prog3.o \
+RUN: -static -o %t1
+RUN: llvm-readobj -s %t1 | FileCheck -check-prefix CHECKSECTIONS %s
+
+CHECKSECTIONS: Index: 1
+CHECKSECTIONS: Name: .text
+CHECKSECTIONS: Address: 0x500000
+CHECKSECTIONS: Size: 33
+
+CHECKSECTIONS: Index: 2
+CHECKSECTIONS: Name: .mystring
+CHECKSECTIONS: Address: 0x500021
+CHECKSECTIONS: Size: 15
+
+CHECKSECTIONS: Index: 3
+CHECKSECTIONS: Name: .text.2
+CHECKSECTIONS: Address: 0x506030
+CHECKSECTIONS: Size: 48
+
+RUN: llvm-readobj -symbols %t1 | FileCheck -check-prefix CHECKSYMS %s
+
+CHECKSYMS: Name: main
+CHECKSYMS-NEXT: Value: 0x500000
+
+CHECKSYMS: Name: write
+CHECKSYMS-NEXT: Value: 0x506030
+
+CHECKSYMS: Name: _start
+CHECKSYMS-NEXT: Value: 0x506038
+
+CHECKSYMS: Name: prog2
+CHECKSYMS-NEXT: Value: 0x506050
+*/
Added: lld/trunk/test/elf/linkerscript/sections-with-wildcards.test
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/elf/linkerscript/sections-with-wildcards.test?rev=232404&view=auto
==============================================================================
--- lld/trunk/test/elf/linkerscript/sections-with-wildcards.test (added)
+++ lld/trunk/test/elf/linkerscript/sections-with-wildcards.test Mon Mar 16 14:56:42 2015
@@ -0,0 +1,88 @@
+/*
+Tests a linker script that uses the SECTIONS command with rules containing
+wildcards and simple SORT directives. It also tests that the linker script
+evaluates the expressions in the same order as the one written in the script
+file.
+
+This test uses three X86-64 input objects, prog1.o, prog2.o and prog3.o,
+which were created with the following C or assembly code:
+
+*** prog1.o:
+
+(command line clang -c prog1.c -o prog1.o)
+
+const char *prog2();
+void write(int, const char *, int);
+
+int main() {
+ write(1, prog2(), 14);
+}
+
+*** prog2.o:
+
+(command line clang -c prog2.c -o prog2.o)
+
+const char *prog2() {
+ return "Hello, world!\n";
+}
+
+*** prog3.o:
+
+(command line clang -c prog3.S -o prog3.o)
+
+ .globl write
+write:
+ mov $1, %eax
+ syscall
+ ret
+
+ .globl _start
+_start:
+ call main
+ mov $60, %eax
+ syscall
+ ret
+
+We use the following linker script for this test:
+*/
+
+ENTRY(_start)
+
+SECTIONS
+{
+ my_start_addr = 0x500000;
+ my_symbol = my_start_addr;
+ . = my_symbol;
+ .foo : { SORT(*)(.text .rodata*) }
+}
+
+/*
+RUN: mkdir -p %T
+RUN: yaml2obj -format=elf %p/Inputs/prog1.o.yaml -o=%T/p1.o
+RUN: yaml2obj -format=elf %p/Inputs/prog2.o.yaml -o=%T/p2.o
+RUN: yaml2obj -format=elf %p/Inputs/prog3.o.yaml -o=%T/p3.o
+RUN: cd %T
+
+RUN: lld -flavor gnu -target x86_64 -T %s p1.o p2.o p3.o \
+RUN: -static -o %t1
+RUN: llvm-readobj -s %t1 | FileCheck -check-prefix CHECKSECTIONS %s
+
+CHECKSECTIONS: Index: 1
+CHECKSECTIONS: Name: .foo
+CHECKSECTIONS: Address: 0x500000
+CHECKSECTIONS: Size: 101
+
+RUN: llvm-readobj -symbols %t1 | FileCheck -check-prefix CHECKSYMS %s
+
+CHECKSYMS: Name: main
+CHECKSYMS-NEXT: Value: 0x500000
+
+CHECKSYMS: Name: prog2
+CHECKSYMS-NEXT: Value: 0x500030
+
+CHECKSYMS: Name: write
+CHECKSYMS-NEXT: Value: 0x500050
+
+CHECKSYMS: Name: _start
+CHECKSYMS-NEXT: Value: 0x500058
+*/
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