* ld-m68hc11/m68hc11.exp: Specific tests for 68HC11/68HC12.
* ld-m68hc11/adj-jump.d: New test for linker relaxation. * ld-m68hc11/adj-jump.s: Likewise. * ld-m68hc11/adj-brset.s: Likewise. * ld-m68hc11/adj-brset.d: Likewise. * ld-m68hc11/relax-direct.s: Likewise. * ld-m68hc11/relax-direct.d: Likewise. * ld-m68hc11/relax-group.s: Likewise. * ld-m68hc11/relax-group.d: Likewise. * ld-m68hc11/bug-1403.d: Likewise. * ld-m68hc11/bug-1403.s: Likewise.
This commit is contained in:
Stephane Carrez
parent
eee771c194
commit
19dd1b4833
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@ -1,3 +1,17 @@
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2002-10-14 Stephane Carrez <stcarrez@nerim.fr>
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* ld-m68hc11/m68hc11.exp: Specific tests for 68HC11/68HC12.
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* ld-m68hc11/adj-jump.d: New test for linker relaxation.
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* ld-m68hc11/adj-jump.s: Likewise.
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* ld-m68hc11/adj-brset.s: Likewise.
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* ld-m68hc11/adj-brset.d: Likewise.
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* ld-m68hc11/relax-direct.s: Likewise.
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* ld-m68hc11/relax-direct.d: Likewise.
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* ld-m68hc11/relax-group.s: Likewise.
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* ld-m68hc11/relax-group.d: Likewise.
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* ld-m68hc11/bug-1403.d: Likewise.
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* ld-m68hc11/bug-1403.s: Likewise.
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2002-10-14 Stephen Clarke <stephen.clarke@superh.com>
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* ld-sh/ld-r-1.d: Disable for sh64*-*-linux*.
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* ld-sh/sh64/sh64.exp: Likewise.
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@ -0,0 +1,32 @@
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#source: adj-brset.s
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#as: -m68hc11
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#ld: --relax
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#objdump: -d --prefix-addresses -r
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#target: m6811-*-* m6812-*-*
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.*: +file format elf32\-m68hc11
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Disassembly of section .text:
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0+8000 <_start> brclr 140,x \#\$c8 0+804a <L8>
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0+8004 <L1> addd \*0+4 <_toto>
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0+8006 <L1\+0x2> brclr 20,x \#\$03 0+8004 <L1>
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0+800a <L1\+0x6> brclr 90,x \#\$63 0+801a <L3>
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0+800e <L2> addd \*0+4 <_toto>
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0+8010 <L2\+0x2> brclr 19,y \#\$04 0+800e <L2>
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0+8015 <L2\+0x7> brclr 91,y \#\$62 0+8024 <L4>
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0+801a <L3> addd \*0+4 <_toto>
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0+801c <L3\+0x2> brset 18,x \#\$05 0+801a <L3>
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0+8020 <L3\+0x6> brset 92,x \#\$61 0+8030 <L5>
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0+8024 <L4> addd \*0+4 <_toto>
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0+8026 <L4\+0x2> brset 17,y \#\$06 0+8024 <L4>
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0+802b <L4\+0x7> brset 93,y \#\$60 0+8030 <L5>
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0+8030 <L5> addd \*0+4 <_toto>
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0+8032 <L5\+0x2> brset \*0+32 <_table> \#\$07 0+8030 <L5>
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0+8036 <L5\+0x6> brset \*0+3c <_table\+0xa> \#\$5f 0+8044 <L7>
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0+803a <L6> addd \*0+4 <_toto>
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0+803c <L6\+0x2> brclr \*0+33 <_table\+0x1> \#\$08 0+803a <L6>
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0+8040 <L6\+0x6> brset \*0+3d <_table\+0xb> \#\$5e 0+804a <L8>
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0+8044 <L7> addd \*0+4 <_toto>
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0+8046 <L7\+0x2> brclr \*0+33 <_table\+0x1> \#\$08 0+803a <L6>
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0+804a <L8> brclr 140,x \#\$c8 0+8000 <_start>
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0+804e <L8\+0x4> rts
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@ -0,0 +1,51 @@
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;;; Test 68HC11 linker relaxation and fixup of brclr/brset branches
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;;;
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.sect .text
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.globl _start
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_start:
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start:
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brclr 140,x#200,L8 ; Branch adjustment covers the whole test
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;;; The 'addd' is relaxed and we win 1 byte. The next brclr/brset
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;;; branch must be fixed and reduced by 1. We check for different
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;;; addressing modes because the instruction has different opcode and
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;;; different lengths.
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L1:
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addd _toto
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brclr 20,x,#3,L1
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brclr 90,x,#99,L3 ; Likewise with forward branch
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L2:
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addd _toto
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brclr 19,y,#4,L2
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brclr 91,y,#98,L4
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L3:
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addd _toto
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brset 18,x,#5,L3
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brset 92,x,#97,L5
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L4:
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addd _toto
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brset 17,y,#6,L4
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brset 93,y,#96,L5
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L5:
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addd _toto
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brset *_table,#7,L5
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brset *_table+10,#95,L7
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L6:
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addd _toto
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brclr *_table+1,#8,L6
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brset *_table+11,#94,L8
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L7:
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addd _toto
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brclr *_table+1,#8,L6
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L8:
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brclr 140,x#200,_start ; Branch adjustment covers the whole test
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rts
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.sect .page0
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_bar:
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.long 0
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_toto:
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.long 0
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.skip 32
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stack:
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.skip 10
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_table:
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@ -0,0 +1,60 @@
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#source: adj-jump.s
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#as: -m68hc11
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#ld: --relax
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#objdump: -d --prefix-addresses -r
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#target: m6811-*-* m6812-*-*
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.*: +file format elf32\-m68hc11
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Disassembly of section .text:
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0+8000 <_start> bra 0+8074 <L3>
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...
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0+8016 <_start\+0x16> bra 0+8074 <L3>
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0+8018 <L1> addd 0,x
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0+801a <L1\+0x2> bne 0+8018 <L1>
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0+801c <L1\+0x4> addd \*0+4 <_toto>
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0+801e <L1\+0x6> beq 0+8018 <L1>
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0+8020 <L1\+0x8> addd \*0+5 <_toto\+0x1>
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0+8022 <L1\+0xa> bne 0+8018 <L1>
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0+8024 <L1\+0xc> bgt 0+8018 <L1>
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0+8026 <L1\+0xe> bge 0+8018 <L1>
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0+8028 <L1\+0x10> beq 0+8018 <L1>
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0+802a <L1\+0x12> ble 0+8018 <L1>
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0+802c <L1\+0x14> blt 0+8018 <L1>
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0+802e <L1\+0x16> bhi 0+8018 <L1>
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0+8030 <L1\+0x18> bcc 0+8018 <L1>
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0+8032 <L1\+0x1a> beq 0+8018 <L1>
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0+8034 <L1\+0x1c> bls 0+8018 <L1>
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0+8036 <L1\+0x1e> bcs 0+8018 <L1>
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0+8038 <L1\+0x20> bcs 0+8018 <L1>
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0+803a <L1\+0x22> bmi 0+8018 <L1>
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0+803c <L1\+0x24> bvs 0+8018 <L1>
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0+803e <L1\+0x26> bcc 0+8018 <L1>
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0+8040 <L1\+0x28> bpl 0+8018 <L1>
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0+8042 <L1\+0x2a> bvc 0+8018 <L1>
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0+8044 <L1\+0x2c> bne 0+8018 <L1>
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0+8046 <L1\+0x2e> brn 0+8018 <L1>
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0+8048 <L1\+0x30> bra 0+8018 <L1>
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0+804a <L1\+0x32> addd \*0+4 <_toto>
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0+804c <L1\+0x34> addd \*0+4 <_toto>
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0+804e <L1\+0x36> addd \*0+4 <_toto>
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0+8050 <L1\+0x38> addd \*0+4 <_toto>
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0+8052 <L1\+0x3a> addd \*0+4 <_toto>
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0+8054 <L1\+0x3c> addd \*0+4 <_toto>
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0+8056 <L1\+0x3e> addd \*0+4 <_toto>
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0+8058 <L1\+0x40> addd \*0+4 <_toto>
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0+805a <L1\+0x42> addd \*0+4 <_toto>
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0+805c <L1\+0x44> addd \*0+4 <_toto>
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0+805e <L1\+0x46> addd \*0+4 <_toto>
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0+8060 <L1\+0x48> addd \*0+4 <_toto>
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0+8062 <L1\+0x4a> addd \*0+4 <_toto>
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0+8064 <L1\+0x4c> addd \*0+4 <_toto>
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0+8066 <L1\+0x4e> addd \*0+4 <_toto>
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0+8068 <L2> bra 0+8000 <_start>
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0+806a <L2\+0x2> bne 0+8068 <L2>
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0+806c <L2\+0x4> beq 0+8074 <L3>
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0+806e <L2\+0x6> addd \*0+4 <_toto>
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0+8070 <L2\+0x8> beq 0+8074 <L3>
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0+8072 <L2\+0xa> addd \*0+4 <_toto>
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0+8074 <L3> addd \*0+4 <_toto>
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0+8076 <L3\+0x2> rts
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;;; Test 68HC11 linker relaxation and fixup of bcc/bra branches
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;;;
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.sect .text
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.globl _start
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_start:
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;; Next 'bra' is assembled as a 'jmp'. It is relaxed to 'bra L3'
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;; during a second pass of relax.
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bra L3
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.skip 20
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;; Next 'jmp' must be relaxed to a 'bra' during the first pass.
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;; The branch offset must then be adjusted by consecutive relax.
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jmp L3
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L1:
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addd 0,x
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bne L1 ; Branch not adjusted
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addd _toto
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beq L1 ; Backward branch, adjust -1
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addd _toto+1
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jbne L1 ; Backward branch, adjust -2
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bgt L1 ; All possible backward branchs, adjust -2
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bge L1
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beq L1
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ble L1
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blt L1
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bhi L1
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bhs L1
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beq L1
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bls L1
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blo L1
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bcs L1
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bmi L1
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bvs L1
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bcc L1
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bpl L1
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bvc L1
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bne L1
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brn L1
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bra L1
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;; Relax several insn to reduce block by 15
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addd _toto
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addd _toto
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addd _toto
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addd _toto
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addd _toto
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addd _toto
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addd _toto
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addd _toto
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addd _toto
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addd _toto
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addd _toto
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addd _toto
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addd _toto
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addd _toto
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addd _toto
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L2:
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jmp _start ; -> relax to bra _start
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bne L2 ; Backward branch, adjust -1
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beq L3 ; Forward branch, adjust -2
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addd _toto
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beq L3 ; Forward branch, adjust -1
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addd _toto
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L3:
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addd _toto
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rts
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.sect .page0
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_bar:
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.long 0
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_toto:
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.long 0
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.skip 32
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stack:
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.skip 10
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_table:
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@ -0,0 +1,12 @@
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#source: bug-1403.s
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#as: -m68hc11
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#ld: --relax
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#objdump: -d --prefix-addresses -r
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#target: m6811-*-* m6812-*-*
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.*: +file format elf32-m68hc11
|
||||
|
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Disassembly of section .text:
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0+8000 <_start> bset \*0+ <__bss_size> \#\$04
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0+8003 <L1> bra 0+8005 <toto>
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0+8005 <toto> rts
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|
|
@ -0,0 +1,20 @@
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;;; Bug #1403: Branch adjustment to another section not correct when doing linker relaxation
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;;; http://savannah.gnu.org/bugs/?func=detailbug&bug_id=1403&group_id=2424
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;;;
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.sect .text
|
||||
.globl _start
|
||||
_start:
|
||||
.relax L1
|
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ldx #table
|
||||
bset 0,x #4
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L1:
|
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bra toto ; bra is assembled as a jmp and relaxed
|
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|
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.sect .page0
|
||||
.globl table
|
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table: .long 0
|
||||
|
||||
.sect .text.toto
|
||||
.globl toto
|
||||
toto:
|
||||
rts
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
# Expect script for run_dump_test based ld-m68hc11 tests.
|
||||
# Copyright 2002 Free Software Foundation, Inc.
|
||||
#
|
||||
# This file is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 2 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
#
|
||||
# Adapted from ld-sh/rd-sh.exp
|
||||
|
||||
# Test 68HC11 relaxing. This tests the assembler as well as the linker.
|
||||
|
||||
if { ![istarget m6811-*-*] && ![istarget m6812-*-*] } {
|
||||
return
|
||||
}
|
||||
|
||||
set rd_test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
|
||||
foreach shtest $rd_test_list {
|
||||
# We need to strip the ".d", but can leave the dirname.
|
||||
verbose [file rootname $shtest]
|
||||
run_dump_test [file rootname $shtest]
|
||||
}
|
||||
|
|
@ -0,0 +1,63 @@
|
|||
#source: relax-direct.s
|
||||
#as: -m68hc11
|
||||
#ld: --relax
|
||||
#objdump: -d --prefix-addresses -r
|
||||
#target: m6811-*-* m6812-*-*
|
||||
|
||||
.*: +file format elf32-m68hc11
|
||||
|
||||
Disassembly of section .text:
|
||||
0+8000 <_start> lds \*0+28 <stack>
|
||||
0+8002 <_start\+0x2> ldd \*0+ <__bss_size>
|
||||
0+8004 <_start\+0x4> beq 0+800f <F1>
|
||||
0+8006 <_start\+0x6> bne 0+800b <_start\+0xb>
|
||||
0+8008 <_start\+0x8> jmp 0+8138 <F2>
|
||||
0+800b <_start\+0xb> std \*0+ <__bss_size>
|
||||
0+800d <_start\+0xd> jsr \*0+ <__bss_size>
|
||||
0+800f <F1> addd \*0+4 <_toto>
|
||||
0+8011 <F1\+0x2> bne 0+8000 <_start>
|
||||
0+8013 <F1\+0x4> addd \*0+cc <_table\+0x9a>
|
||||
0+8015 <F1\+0x6> addd 0+114 <_stack_top\+0x1a>
|
||||
0+8018 <F1\+0x9> adca \*0+34 <_table\+0x2>
|
||||
0+801a <F1\+0xb> adcb \*0+35 <_table\+0x3>
|
||||
0+801c <F1\+0xd> adda \*0+36 <_table\+0x4>
|
||||
0+801e <F1\+0xf> addb \*0+37 <_table\+0x5>
|
||||
0+8020 <F1\+0x11> addd \*0+38 <_table\+0x6>
|
||||
0+8022 <F1\+0x13> anda \*0+39 <_table\+0x7>
|
||||
0+8024 <F1\+0x15> andb \*0+3a <_table\+0x8>
|
||||
0+8026 <F1\+0x17> cmpa \*0+3b <_table\+0x9>
|
||||
0+8028 <F1\+0x19> cmpb \*0+3c <_table\+0xa>
|
||||
0+802a <F1\+0x1b> cpd \*0+3d <_table\+0xb>
|
||||
0+802d <F1\+0x1e> cpx \*0+3e <_table\+0xc>
|
||||
0+802f <F1\+0x20> cpy \*0+3f <_table\+0xd>
|
||||
0+8032 <F1\+0x23> eora \*0+40 <_table\+0xe>
|
||||
0+8034 <F1\+0x25> eorb \*0+41 <_table\+0xf>
|
||||
0+8036 <F1\+0x27> jsr \*0+42 <_table\+0x10>
|
||||
0+8038 <F1\+0x29> ldaa \*0+43 <_table\+0x11>
|
||||
0+803a <F1\+0x2b> ldab \*0+44 <_table\+0x12>
|
||||
0+803c <F1\+0x2d> ldd \*0+45 <_table\+0x13>
|
||||
0+803e <F1\+0x2f> lds \*0+46 <_table\+0x14>
|
||||
0+8040 <F1\+0x31> ldx \*0+47 <_table\+0x15>
|
||||
0+8042 <F1\+0x33> ldy \*0+48 <_table\+0x16>
|
||||
0+8045 <F1\+0x36> oraa \*0+49 <_table\+0x17>
|
||||
0+8047 <F1\+0x38> orab \*0+4a <_table\+0x18>
|
||||
0+8049 <F1\+0x3a> sbcb \*0+4b <_table\+0x19>
|
||||
0+804b <F1\+0x3c> sbca \*0+4c <_table\+0x1a>
|
||||
0+804d <F1\+0x3e> staa \*0+4d <_table\+0x1b>
|
||||
0+804f <F1\+0x40> stab \*0+4e <_table\+0x1c>
|
||||
0+8051 <F1\+0x42> std \*0+4f <_table\+0x1d>
|
||||
0+8053 <F1\+0x44> sts \*0+50 <_table\+0x1e>
|
||||
0+8055 <F1\+0x46> stx \*0+51 <_table\+0x1f>
|
||||
0+8057 <F1\+0x48> sty \*0+52 <_table\+0x20>
|
||||
0+805a <F1\+0x4b> suba \*0+53 <_table\+0x21>
|
||||
0+805c <F1\+0x4d> subb \*0+54 <_table\+0x22>
|
||||
0+805e <F1\+0x4f> subd \*0+55 <_table\+0x23>
|
||||
0+8060 <F1\+0x51> bne 0+8000 <_start>
|
||||
0+8062 <F1\+0x53> bra 0+800f <F1>
|
||||
0+8064 <F1\+0x55> rts
|
||||
0+8065 <no_relax> addd 0+136 <_stack_top\+0x3c>
|
||||
0+8068 <no_relax\+0x3> std 0+122 <_stack_top\+0x28>
|
||||
0+806b <no_relax\+0x6> tst 0+5 <_toto\+0x1>
|
||||
0+806e <no_relax\+0x9> bne 0+8065 <no_relax>
|
||||
...
|
||||
0+8138 <F2> jmp 0+8000 <_start>
|
||||
|
|
@ -0,0 +1,84 @@
|
|||
;;; Test 68HC11 linker relaxation from extended addressing to direct
|
||||
;;; addressing modes
|
||||
;;;
|
||||
.sect .text
|
||||
.globl _start
|
||||
_start:
|
||||
start:
|
||||
lds stack
|
||||
ldd _bar
|
||||
beq F1
|
||||
beq F2
|
||||
std _bar
|
||||
jsr _bar
|
||||
F1:
|
||||
addd _toto
|
||||
bne start
|
||||
;; All the following instructions will be relaxed and win 1 byte
|
||||
;; for each.
|
||||
addd _toto+200
|
||||
addd stack+256-20
|
||||
adca _table+2
|
||||
adcb _table+3
|
||||
adda _table+4
|
||||
addb _table+5
|
||||
addd _table+6
|
||||
anda _table+7
|
||||
andb _table+8
|
||||
cmpa _table+9
|
||||
cmpb _table+10
|
||||
cpd _table+11
|
||||
cpx _table+12
|
||||
cpy _table+13
|
||||
eora _table+14
|
||||
eorb _table+15
|
||||
jsr _table+16
|
||||
ldaa _table+17
|
||||
ldab _table+18
|
||||
ldd _table+19
|
||||
lds _table+20
|
||||
ldx _table+21
|
||||
ldy _table+22
|
||||
oraa _table+23
|
||||
orab _table+24
|
||||
sbcb _table+25
|
||||
sbca _table+26
|
||||
staa _table+27
|
||||
stab _table+28
|
||||
std _table+29
|
||||
sts _table+30
|
||||
stx _table+31
|
||||
sty _table+32
|
||||
suba _table+33
|
||||
subb _table+34
|
||||
subd _table+35
|
||||
;; 'bne' is assembled as far branch and must relax to
|
||||
;; a relative 8-bit branch.
|
||||
bne _start
|
||||
;; Likewise for next branch
|
||||
bra F1
|
||||
rts
|
||||
|
||||
;;; The following instructions will not be relaxed
|
||||
no_relax:
|
||||
addd _stack_top+60
|
||||
std _stack_top+40
|
||||
;; 'tst' does not support direct addressing mode.
|
||||
tst _toto+1
|
||||
bne no_relax
|
||||
.skip 200
|
||||
F2:
|
||||
bra _start
|
||||
|
||||
.sect .page0
|
||||
_bar:
|
||||
.long 0
|
||||
_toto:
|
||||
.long 0
|
||||
.skip 32
|
||||
stack:
|
||||
.skip 10
|
||||
_table:
|
||||
.skip 200
|
||||
_stack_top:
|
||||
|
||||
|
|
@ -0,0 +1,63 @@
|
|||
#source: relax-group.s
|
||||
#as: -m68hc11
|
||||
#ld: --relax
|
||||
#objdump: -d --prefix-addresses -r
|
||||
#target: m6811-*-* m6812-*-*
|
||||
|
||||
.*: +file format elf32-m68hc11
|
||||
|
||||
Disassembly of section .text:
|
||||
0+8000 <_start> bset \*0+ <__bss_size> #\$04
|
||||
0+8003 <L1x> bset \*0+ <__bss_size> #\$04
|
||||
0+8006 <L1y> bset \*0+3 <__bss_size\+0x3> #\$04
|
||||
0+8009 <L1y\+0x3> bset \*0+4 <table4> #\$08
|
||||
0+800c <L2x> bset \*0+3 <__bss_size\+0x3> #\$04
|
||||
0+800f <L2x\+0x3> bset \*0+4 <table4> #\$08
|
||||
0+8012 <L2y> bset \*0+6 <table4\+0x2> #\$04
|
||||
0+8015 <L2y\+0x3> bset \*0+7 <table4\+0x3> #\$08
|
||||
0+8018 <L2y\+0x6> bset \*0+8 <table8> #\$0c
|
||||
0+801b <L2y\+0x9> bset \*0+9 <table8\+0x1> #\$0c
|
||||
0+801e <L2y\+0xc> bset \*0+a <table8\+0x2> #\$0c
|
||||
0+8021 <L2y\+0xf> bset \*0+b <table8\+0x3> #\$0c
|
||||
0+8024 <L3x> bset \*0+6 <table4\+0x2> #\$04
|
||||
0+8027 <L3x\+0x3> bset \*0+7 <table4\+0x3> #\$08
|
||||
0+802a <L3x\+0x6> bset \*0+8 <table8> #\$0c
|
||||
0+802d <L3x\+0x9> bset \*0+9 <table8\+0x1> #\$0c
|
||||
0+8030 <L3x\+0xc> bset \*0+a <table8\+0x2> #\$0c
|
||||
0+8033 <L3x\+0xf> bset \*0+b <table8\+0x3> #\$0c
|
||||
0+8036 <L3y> bra 0+8000 <_start>
|
||||
0+8038 <L3y\+0x2> ldx #0+fe <end_table\+0xe8>
|
||||
0+803b <L3y\+0x5> bset \*0+fe <end_table\+0xe8> #\$04
|
||||
0+803e <L3y\+0x8> bset \*0+ff <end_table\+0xe9> #\$08
|
||||
0+8041 <L3y\+0xb> bset 2,x #\$0c
|
||||
0+8044 <L3y\+0xe> bset 3,x #\$0c
|
||||
0+8047 <L3y\+0x11> bset 4,x #\$0c
|
||||
0+804a <L3y\+0x14> bset 5,x #\$0c
|
||||
0+804d <L4x> ldy #0+fe <end_table\+0xe8>
|
||||
0+8051 <L4x\+0x4> bset \*0+fe <end_table\+0xe8> #\$04
|
||||
0+8054 <L4x\+0x7> bset \*0+ff <end_table\+0xe9> #\$08
|
||||
0+8057 <L4x\+0xa> bset 2,y #\$0c
|
||||
0+805b <L4x\+0xe> bset 3,y #\$0c
|
||||
0+805f <L4x\+0x12> bset 4,y #\$0c
|
||||
0+8063 <L4x\+0x16> bset 5,y #\$0c
|
||||
0+8067 <L4y> bclr \*0+a <table8\+0x2> #\$04
|
||||
0+806a <L4y\+0x3> bclr \*0+b <table8\+0x3> #\$08
|
||||
0+806d <L5x> bclr \*0+1a <end_table\+0x4> #\$04
|
||||
0+8070 <L5x\+0x3> bclr \*0+1b <end_table\+0x5> #\$08
|
||||
0+8073 <L5y> brset \*0+8 <table8> #\$04 0+8073 <L5y>
|
||||
0+8077 <L6x> brset \*0+8 <table8> #\$04 0+8077 <L6x>
|
||||
0+807b <L7x> brset \*0+8 <table8> #\$04 0+8094 <brend>
|
||||
0+807f <L8x> brset \*0+8 <table8> #\$04 0+8094 <brend>
|
||||
0+8083 <L8y> brclr \*0+8 <table8> #\$04 0+8083 <L8y>
|
||||
0+8087 <L9x> brclr \*0+8 <table8> #\$04 0+8087 <L9x>
|
||||
0+808b <L9y> brclr \*0+8 <table8> #\$04 0+8094 <brend>
|
||||
0+808f <L10x> brclr \*0+8 <table8> #\$04 0+8094 <brend>
|
||||
0+8093 <L10y> nop
|
||||
0+8094 <brend> bset 0,x #\$04
|
||||
0+8097 <w2> ldx #0+ <__bss_size>
|
||||
0+809a <w3> ldy #0+8 <table8>
|
||||
0+809e <w4> rts
|
||||
0+809f <w5> ldx #0+ <__bss_size>
|
||||
0+80a2 <w5\+0x3> bset 0,x #\$05
|
||||
0+80a5 <w5\+0x6> jmp 0+8000 <_start>
|
||||
0+80a8 <w5\+0x9> rts
|
||||
|
|
@ -0,0 +1,161 @@
|
|||
;;; Test 68HC11 linker relaxation (group relax)
|
||||
;;;
|
||||
.sect .text
|
||||
.globl _start
|
||||
_start:
|
||||
;;;
|
||||
;;; The following group of instructions are adjusted.
|
||||
;;;
|
||||
.relax L1x
|
||||
ldx #table
|
||||
bset 0,x #4
|
||||
L1x:
|
||||
.relax L1y
|
||||
ldy #table
|
||||
bset 0,y #4
|
||||
L1y:
|
||||
.relax L2x
|
||||
ldx #table+3
|
||||
bset 0,x #4
|
||||
bset 1,x #8
|
||||
L2x:
|
||||
.relax L2y
|
||||
ldy #table+3
|
||||
bset 0,y #4
|
||||
bset 1,y #8
|
||||
L2y:
|
||||
.relax L3x
|
||||
ldx #table+6
|
||||
bset 0,x #4
|
||||
bset 1,x #8
|
||||
bset 2,x #12
|
||||
bset 3,x #12
|
||||
bset 4,x #12
|
||||
bset 5,x #12
|
||||
L3x:
|
||||
.relax L3y
|
||||
ldy #table+6
|
||||
bset 0,y #4
|
||||
bset 1,y #8
|
||||
bset 2,y #12
|
||||
bset 3,y #12
|
||||
bset 4,y #12
|
||||
bset 5,y #12
|
||||
L3y:
|
||||
;; Next branch is always relative. It must be adjusted while
|
||||
;; above instructions are relaxed.
|
||||
bra _start
|
||||
;;;
|
||||
;;; This group has the first two bset insn relaxable while the
|
||||
;;; others are not. The ldx/ldy must not be removed.
|
||||
;;;
|
||||
.relax L4x
|
||||
ldx #table+0xfe
|
||||
bset 0,x #4
|
||||
bset 1,x #8
|
||||
bset 2,x #12
|
||||
bset 3,x #12
|
||||
bset 4,x #12
|
||||
bset 5,x #12
|
||||
L4x:
|
||||
.relax L4y
|
||||
ldy #table+0xfe
|
||||
bset 0,y #4
|
||||
bset 1,y #8
|
||||
bset 2,y #12
|
||||
bset 3,y #12
|
||||
bset 4,y #12
|
||||
bset 5,y #12
|
||||
L4y:
|
||||
;;;
|
||||
;;; Relax group for bclr
|
||||
;;;
|
||||
.relax L5x
|
||||
ldx #table+10
|
||||
bclr 0,x #4
|
||||
bclr 1,x #8
|
||||
L5x:
|
||||
.relax L5y
|
||||
ldy #table+16
|
||||
bclr 10,y #4
|
||||
bclr 11,y #8
|
||||
L5y:
|
||||
;;;
|
||||
;;; Relax group for brset (with backward branch)
|
||||
;;;
|
||||
.relax L6x
|
||||
ldx #table+8
|
||||
brset 0,x #4 L5y
|
||||
L6x:
|
||||
.relax L7x
|
||||
ldy #table+8
|
||||
brset 0,y #4 L6x
|
||||
L7x:
|
||||
;;;
|
||||
;;; Relax group for brset (with forward branch)
|
||||
;;;
|
||||
.relax L8x
|
||||
ldx #table+8
|
||||
brset 0,x #4 brend
|
||||
L8x:
|
||||
.relax L8y
|
||||
ldy #table+8
|
||||
brset 0,y #4 brend
|
||||
L8y:
|
||||
;;;
|
||||
;;; Relax group for brclr (with backward branch)
|
||||
;;;
|
||||
.relax L9x
|
||||
ldx #table+8
|
||||
brclr 0,x #4 L8y
|
||||
L9x:
|
||||
.relax L9y
|
||||
ldy #table+8
|
||||
brclr 0,y #4 L9x
|
||||
L9y:
|
||||
;;;
|
||||
;;; Relax group for brclr (with forward branch)
|
||||
;;;
|
||||
.relax L10x
|
||||
ldx #table+8
|
||||
brclr 0,x #4 brend
|
||||
L10x:
|
||||
.relax L10y
|
||||
ldy #table+8
|
||||
brclr 0,y #4 brend
|
||||
L10y:
|
||||
nop
|
||||
brend:
|
||||
;;;
|
||||
;;; The following are wrong use of .relax groups.
|
||||
;;;
|
||||
.relax w1
|
||||
w1:
|
||||
.relax w2
|
||||
bset 0,x #4
|
||||
w2:
|
||||
.relax w3
|
||||
ldx #table
|
||||
w3:
|
||||
.relax w4
|
||||
ldy #table+8
|
||||
w4:
|
||||
.relax w5
|
||||
rts
|
||||
w5:
|
||||
;;;
|
||||
;;; Next insn is not in a .relax group
|
||||
ldx #table
|
||||
bset 0,x #5
|
||||
bra _start
|
||||
rts
|
||||
|
||||
.sect .page0
|
||||
.globl table
|
||||
table: .long 0
|
||||
table4: .long 0
|
||||
table8: .long 0
|
||||
.skip 10
|
||||
end_table:
|
||||
.long 0
|
||||
|
||||
Loading…
Reference in New Issue