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As Alan predicted at https://sourceware.org/ml/binutils/2017-10/msg00137.html the values in some Arm tests need updating after recent changes. These looked a bit spooky at first, but they are just a difference in the order we emit veneers and far jumps, so are not so scary after all.

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Checked with an arm-none-eabi tester and an arm-none-linux-gnueabi tester with no issues.

	* testsuite/ld-arm/cortex-a8-far.d: Update expected disassembly.
	* testsuite/ld-arm/farcall-group-size2: Likewise.
	* testsuite/ld-arm/farcall-group.d: Likewise.
This commit is contained in:
James Greenhalgh
2017-10-26 11:30:40 +01:00
committed by Nick Clifton
parent 6abc18bbbf
commit 4062f504eb
4 changed files with 35 additions and 29 deletions
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6
ld/ChangeLog
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@ -1,3 +1,9 @@
2017-10-26 James Greenhalgh <james.greenhalgh@arm.com>
* testsuite/ld-arm/cortex-a8-far.d: Update expected disassembly.
* testsuite/ld-arm/farcall-group-size2: Likewise.
* testsuite/ld-arm/farcall-group.d: Likewise.
2017-10-25 H.J. Lu <hongjiu.lu@intel.com> 2017-10-25 H.J. Lu <hongjiu.lu@intel.com>
* ld.texinfo: Correct -z ibt. * ld.texinfo: Correct -z ibt.

20
ld/testsuite/ld-arm/cortex-a8-far.d
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@ -14,14 +14,14 @@ Disassembly of section \.text:
80000c: 7fff0000 .word 0x7fff0000 80000c: 7fff0000 .word 0x7fff0000
00800010 <three>: 00800010 <three>:
800010: f001 e802 blx 801018 <__far_fn1_from_thumb> 800010: f001 e806 blx 801020 <__far_fn1_from_thumb>
800014: f001 e804 blx 801020 <__far_fn2_from_thumb> 800014: f001 e800 blx 801018 <__far_fn2_from_thumb>
... ...
800ff8: bf00 nop 800ff8: bf00 nop
00800ffa <label1>: 00800ffa <label1>:
800ffa: ea81 0002 eor.w r0, r1, r2 800ffa: ea81 0002 eor.w r0, r1, r2
800ffe: f000 b813 b.w 801028 <__far_fn2_from_thumb\+0x8> 800ffe: f000 b813 b.w 801028 <__far_fn1_from_thumb\+0x8>
801002: ea81 0002 eor.w r0, r1, r2 801002: ea81 0002 eor.w r0, r1, r2
801006: ea81 0002 eor.w r0, r1, r2 801006: ea81 0002 eor.w r0, r1, r2
80100a: f7ff bff6 b.w 800ffa <label1> 80100a: f7ff bff6 b.w 800ffa <label1>
@ -29,13 +29,13 @@ Disassembly of section \.text:
801012: ea81 0002 eor.w r0, r1, r2 801012: ea81 0002 eor.w r0, r1, r2
... ...
00801018 <__far_fn1_from_thumb>: 00801018 <__far_fn2_from_thumb>:
801018: e51ff004 ldr pc, \[pc, #-4\] ; 80101c <__far_fn1_from_thumb\+0x4> 801018: e51ff004 ldr pc, \[pc, #-4\] ; 80101c <__far_fn2_from_thumb\+0x4>
80101c: 80000000 .word 0x80000000 80101c: 80000004 .word 0x80000004
00801020 <__far_fn2_from_thumb>: 00801020 <__far_fn1_from_thumb>:
801020: e51ff004 ldr pc, \[pc, #-4\] ; 801024 <__far_fn2_from_thumb\+0x4> 801020: e51ff004 ldr pc, \[pc, #-4\] ; 801024 <__far_fn1_from_thumb\+0x4>
801024: 80000004 .word 0x80000004 801024: 80000000 .word 0x80000000
801028: d001 beq.n 80102e <__far_fn2_from_thumb\+0xe> 801028: d001 beq.n 80102e <__far_fn1_from_thumb\+0xe>
80102a: f7ff bfea b.w 801002 <label1\+0x8> 80102a: f7ff bfea b.w 801002 <label1\+0x8>
80102e: f7ff bfe4 b.w 800ffa <label1> 80102e: f7ff bfe4 b.w 800ffa <label1>

16
ld/testsuite/ld-arm/farcall-group-size2.d
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@ -19,19 +19,19 @@ Disassembly of section .text:
00001020 <myfunc>: 00001020 <myfunc>:
1020: eb000008 bl 1048 <__bar3_veneer> 1020: eb000008 bl 1048 <__bar3_veneer>
1024: eb000004 bl 103c <__bar4_from_arm> 1024: eb000001 bl 1030 <__bar4_from_arm>
1028: eb000000 bl 1030 <__bar5_from_arm> 1028: eb000003 bl 103c <__bar5_from_arm>
102c: 00000000 andeq r0, r0, r0 102c: 00000000 andeq r0, r0, r0
00001030 <__bar5_from_arm>: 00001030 <__bar4_from_arm>:
1030: e59fc000 ldr ip, \[pc\] ; 1038 <__bar5_from_arm\+0x8> 1030: e59fc000 ldr ip, \[pc\] ; 1038 <__bar4_from_arm\+0x8>
1034: e12fff1c bx ip 1034: e12fff1c bx ip
1038: 0200302f .word 0x0200302f 1038: 0200302d .word 0x0200302d
0000103c <__bar4_from_arm>: 0000103c <__bar5_from_arm>:
103c: e59fc000 ldr ip, \[pc\] ; 1044 <__bar4_from_arm\+0x8> 103c: e59fc000 ldr ip, \[pc\] ; 1044 <__bar5_from_arm\+0x8>
1040: e12fff1c bx ip 1040: e12fff1c bx ip
1044: 0200302d .word 0x0200302d 1044: 0200302f .word 0x0200302f
00001048 <__bar3_veneer>: 00001048 <__bar3_veneer>:
1048: e51ff004 ldr pc, \[pc, #-4\] ; 104c <__bar3_veneer\+0x4> 1048: e51ff004 ldr pc, \[pc, #-4\] ; 104c <__bar3_veneer\+0x4>

22
ld/testsuite/ld-arm/farcall-group.d
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@ -13,28 +13,28 @@ Disassembly of section .text:
+[0-9a-f]+: [0-9a-f]{8} bl [0-9a-f]+ <__bar5_from_arm> +[0-9a-f]+: [0-9a-f]{8} bl [0-9a-f]+ <__bar5_from_arm>
+[0-9a-f]+: 00000000 andeq r0, r0, r0 +[0-9a-f]+: 00000000 andeq r0, r0, r0
[0-9a-f]+ <__bar5_from_arm>:
+[0-9a-f]+: e59fc000 ldr ip, \[pc\] ; [0-9a-f]+ <__bar5_from_arm\+0x8>
+[0-9a-f]+: e12fff1c bx ip
+[0-9a-f]+: 0200302f .word 0x0200302f
[0-9a-f]+ <__bar4_from_arm>: [0-9a-f]+ <__bar4_from_arm>:
+[0-9a-f]+: e59fc000 ldr ip, \[pc\] ; [0-9a-f]+ <__bar4_from_arm\+0x8> +[0-9a-f]+: e59fc000 ldr ip, \[pc\] ; [0-9a-f]+ <__bar4_from_arm\+0x8>
+[0-9a-f]+: e12fff1c bx ip +[0-9a-f]+: e12fff1c bx ip
+[0-9a-f]+: 0200302d .word 0x0200302d +[0-9a-f]+: 0200302d .word 0x0200302d
[0-9a-f]+ <__bar3_veneer>: [0-9a-f]+ <__bar2_veneer>:
+[0-9a-f]+: e51ff004 ldr pc, \[pc, #-4\] ; [0-9a-f]+ <__bar3_veneer\+0x4> +[0-9a-f]+: e51ff004 ldr pc, \[pc, #-4\] ; [0-9a-f]+ <__bar2_veneer\+0x4>
+[0-9a-f]+: 02003028 .word 0x02003028 +[0-9a-f]+: 02003024 .word 0x02003024
[0-9a-f]+ <__bar_from_arm>: [0-9a-f]+ <__bar_from_arm>:
+[0-9a-f]+: e59fc000 ldr ip, \[pc\] ; [0-9a-f]+ <__bar_from_arm\+0x8> +[0-9a-f]+: e59fc000 ldr ip, \[pc\] ; [0-9a-f]+ <__bar_from_arm\+0x8>
+[0-9a-f]+: e12fff1c bx ip +[0-9a-f]+: e12fff1c bx ip
+[0-9a-f]+: 02003021 .word 0x02003021 +[0-9a-f]+: 02003021 .word 0x02003021
[0-9a-f]+ <__bar2_veneer>: [0-9a-f]+ <__bar5_from_arm>:
+[0-9a-f]+: e51ff004 ldr pc, \[pc, #-4\] ; [0-9a-f]+ <__bar2_veneer\+0x4> +[0-9a-f]+: e59fc000 ldr ip, \[pc\] ; [0-9a-f]+ <__bar5_from_arm\+0x8>
+[0-9a-f]+: 02003024 .word 0x02003024 +[0-9a-f]+: e12fff1c bx ip
+[0-9a-f]+: 0200302f .word 0x0200302f
[0-9a-f]+ <__bar3_veneer>:
+[0-9a-f]+: e51ff004 ldr pc, \[pc, #-4\] ; [0-9a-f]+ <__bar3_veneer\+0x4>
+[0-9a-f]+: 02003028 .word 0x02003028
... ...
Disassembly of section .foo: Disassembly of section .foo: