CSKY: Change default linker script for elf toolchain.
ld/ * emulparams/cskyelf.sh (TEXT_START_ADDR): Change to 0x60000000. (DATA_ADDR) : Define. (OTHER_SYMBOLS) : Define. (OTHER_BSS_SYMBOLS) : Set symbol __sbss__. (OTHER_BSS_END_SYMBOLS) : Set symbol __ebss__. * ld/emulparams/cskyelf_linux.sh : Don't include cskyelf.sh. * testsuite/ld-csky/data.d : Fix '/s*' to match spaces. * testsuite/ld-csky/hilo16.d : Likewise. Change-Id: Ia29b32eab4157ae5be0fc0b6125fb5b7d9dac939
This commit is contained in:
Cooper Qu
Lifang Xia
parent
eae61d61e9
commit
1b03c32c3b
11
ld/ChangeLog
11
ld/ChangeLog
@ -1,3 +1,14 @@
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2020-10-26 Cooper Qu <cooper.qu@linux.alibaba.com>
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* emulparams/cskyelf.sh (TEXT_START_ADDR): Change to 0x60000000.
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(DATA_ADDR) : Define.
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(OTHER_SYMBOLS) : Define.
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(OTHER_BSS_SYMBOLS) : Set symbol __sbss__.
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(OTHER_BSS_END_SYMBOLS) : Set symbol __ebss__.
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* ld/emulparams/cskyelf_linux.sh : Don't include cskyelf.sh.
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* testsuite/ld-csky/data.d : Fix '/s*' to match spaces.
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* testsuite/ld-csky/hilo16.d : Likewise.
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2020-10-23 H.J. Lu <hongjiu.lu@intel.com>
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* testsuite/config/default.exp (plug_opt): Set only if compiler
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@ -1,5 +1,3 @@
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# If you change this file, please also look at files which source this one:
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# cskyelf_linux.sh
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SCRIPT_NAME=elf
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OUTPUT_FORMAT="elf32-csky-little"
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BIG_OUTPUT_FORMAT="elf32-csky-big"
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@ -7,7 +5,26 @@ LITTLE_OUTPUT_FORMAT="elf32-csky-little"
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NO_REL_RELOCS=yes
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TARGET_PAGE_SIZE=0x400
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MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
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TEXT_START_ADDR=0x8000
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TEXT_START_ADDR=0x60000000
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DATA_ADDR=0x20000000
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# The default address spaces
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# RAM: 0x0 - 0x1FFFFFFF
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# RAM: 0x20000000 - 0x3FFFFFFF
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# RAM: 0x60000000 - 0x7FFFFFFF
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#
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# There are some symbols used in the crt.S
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# __stack: The stack top
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# __heap_start: The heap start
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# __heap_end: The heap end
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# __csky_exit: Be used by qemu to check exit
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OTHER_SYMBOLS='
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PROVIDE (__stack = 0x01000000 - 0x8);
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PROVIDE (__heap_start = 0x00000100);
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PROVIDE (__heap_end = 0x00900000);
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PROVIDE (__csky_exit = 0x10002000);
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'
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CHECK_RELOCS_AFTER_OPEN_INPUT=yes
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NONPAGED_TEXT_START_ADDR=0
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ATTRS_SECTIONS='.csky.attributes 0 : { KEEP (*(.csky.attributes)) KEEP (*(.csky.attributes)) }'
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@ -27,8 +44,8 @@ EXTRA_EM_FILE=cskyelf
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NOP=0
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ENTRY=__start
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OTHER_BSS_SYMBOLS="__bss_start__ = . ;"
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OTHER_BSS_END_SYMBOLS="__bss_end__ = . ;"
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OTHER_BSS_SYMBOLS="__sbss__ = . ;"
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OTHER_BSS_END_SYMBOLS="__ebss__ = . ;"
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# This sets the stack to the top of the simulator memory (2^19 bytes).
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# STACK_ADDR=0x80000
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@ -1,4 +1,38 @@
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source_sh ${srcdir}/emulparams/cskyelf.sh
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SCRIPT_NAME=elf
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OUTPUT_FORMAT="elf32-csky-little"
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BIG_OUTPUT_FORMAT="elf32-csky-big"
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LITTLE_OUTPUT_FORMAT="elf32-csky-little"
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NO_REL_RELOCS=yes
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TARGET_PAGE_SIZE=0x400
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MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
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TEXT_START_ADDR=0x8000
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CHECK_RELOCS_AFTER_OPEN_INPUT=yes
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NONPAGED_TEXT_START_ADDR=0
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ATTRS_SECTIONS='.csky.attributes 0 : { KEEP (*(.csky.attributes)) KEEP (*(.csky.attributes)) }'
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ARCH=csky
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EMBEDDED=yes
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EXTRA_EM_FILE=cskyelf
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# There is a problem with the NOP value - it must work for both
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# big endian and little endian systems. Unfortunately there is
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# no symmetrical mcore opcode that functions as a noop. The
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# chosen solution is to use "tst r0, r14". This is a symmetrical
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# value, and apart from the corruption of the C bit, it has no other
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# side effects. Since the carry bit is never tested without being
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# explicitly set first, and since the NOP code is only used as a
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# fill value between independently viable pieces of code, it should
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# not matter.
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NOP=0
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ENTRY=__start
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OTHER_BSS_SYMBOLS="__bss_start__ = . ;"
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OTHER_BSS_END_SYMBOLS="__bss_end__ = . ;"
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# This sets the stack to the top of the simulator memory (2^19 bytes).
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# STACK_ADDR=0x80000
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TEMPLATE_NAME=elf
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unset EMBEDDED
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unset ENTRY
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@ -10,9 +10,9 @@
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Disassembly of section .text:
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[0-9a-f]+ <__start>:
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[0-9a-f]+: cd400004 lrs.b r10, \[0x4\] // the offset is based on .data
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[0-9a-f]+: cd440002 lrs.h r10, \[0x2\] // the offset is based on .data
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[0-9a-f]+: cd480001 lrs.w r10, \[0x1\] // the offset is based on .data
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[0-9a-f]+: cd700004 srs.b r11, \[0x4\] // the offset is based on .data
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[0-9a-f]+: cd740002 srs.h r11, \[0x2\] // the offset is based on .data
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[0-9a-f]+: cd780001 srs.w r11, \[0x1\] // the offset is based on .data
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\s*[0-9a-f]+: cd400004 lrs.b r10, \[0x4\] // the offset is based on .data
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\s*[0-9a-f]+: cd440002 lrs.h r10, \[0x2\] // the offset is based on .data
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\s*[0-9a-f]+: cd480001 lrs.w r10, \[0x1\] // the offset is based on .data
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\s*[0-9a-f]+: cd700004 srs.b r11, \[0x4\] // the offset is based on .data
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\s*[0-9a-f]+: cd740002 srs.h r11, \[0x2\] // the offset is based on .data
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\s*[0-9a-f]+: cd780001 srs.w r11, \[0x1\] // the offset is based on .data
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@ -10,5 +10,5 @@
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Disassembly of section .text:
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[0-9a-f]+ <__start>:
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[0-9a-f]+: ea21dead movih r1, 57005
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[0-9a-f]+: ec21beef ori r1, r1, 48879
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\s*[0-9a-f]+: ea21dead movih r1, 57005
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\s*[0-9a-f]+: ec21beef ori r1, r1, 48879
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