[binutils-gdb] cpu,opcodes,gas: use %r0 and %r6 instead of %a and %ctf in eBPF disassembler

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[binutils-gdb] cpu,opcodes,gas: use %r0 and %r6 instead of %a and %ctf in eBPF disassembler

gdb-buildbot
*** TEST RESULTS FOR COMMIT 231097b03afffd0c5a2b520cd999dbcbe8d64eda ***

commit 231097b03afffd0c5a2b520cd999dbcbe8d64eda
Author:     Jose E. Marchesi <[hidden email]>
AuthorDate: Fri Jul 19 15:35:43 2019 +0200
Commit:     Jose E. Marchesi <[hidden email]>
CommitDate: Fri Jul 19 15:35:43 2019 +0200

    cpu,opcodes,gas: use %r0 and %r6 instead of %a and %ctf in eBPF disassembler
   
    This patch changes the eBPF CPU description to prefer the register
    names %r0 and %r6 instead of %a and %ctx when disassembling.  This
    matches better with the current practice, vs. cBPF.
   
    It also updates the GAS tests in order to reflect this change.
    Tested in a x86_64 host.
   
    cpu/ChangeLog:
   
    2019-07-19  Jose E. Marchesi  <[hidden email]>
   
            * bpf.cpu (h-gpr): when disassembling, use %r0 and %r6 instead of
            %a and %ctx.
   
    opcodes/ChangeLog:
   
    2019-07-19  Jose E. Marchesi  <[hidden email]>
   
            * bpf-desc.c: Regenerated.
   
    gas/ChangeLog:
   
    2019-07-19  Jose E. Marchesi  <[hidden email]>
   
            * testsuite/gas/bpf/alu.d: Use %r6 instead of %ctx.
            * testsuite/gas/bpf/lddw-be.d: Likewise.
            * testsuite/gas/bpf/lddw.d: Likewise.
            * testsuite/gas/bpf/alu-be.d: Likewise.
            * testsuite/gas/bpf/alu32.d: Likewise.

diff --git a/cpu/ChangeLog b/cpu/ChangeLog
index 41d008f0e1..66cf2dab1a 100644
--- a/cpu/ChangeLog
+++ b/cpu/ChangeLog
@@ -1,3 +1,8 @@
+2019-07-19  Jose E. Marchesi  <[hidden email]>
+
+ * bpf.cpu (h-gpr): when disassembling, use %r0 and %r6 instead of
+ %a and %ctx.
+
 2019-07-15  Jose E. Marchesi  <[hidden email]>
 
  * bpf.cpu (dlabs): New pmacro.
diff --git a/cpu/bpf.cpu b/cpu/bpf.cpu
index b8a3a92e66..aa01fbbb2e 100644
--- a/cpu/bpf.cpu
+++ b/cpu/bpf.cpu
@@ -156,10 +156,10 @@
            ;; XXX the frame pointer fp is read-only, so it should
            ;; go in a different hardware.
            (;; ABI names.  Take priority when disassembling.
-            (a 0) (r1 1) (r2 2) (r3 3) (r4 4) (r5 5) (ctx 6)
+            (r0 0) (r1 1) (r2 2) (r3 3) (r4 4) (r5 5) (r6 6)
             (r7 7) (r8 8) (r9 9) (fp 10)
             ;; Additional names recognized when assembling.
-            (r0 0) (r6 6) (r10 10))))
+            (a 0) (ctx 6) (r10 10))))
 
 ;; The program counter.  CGEN requires it, even if it is not visible
 ;; to eBPF programs.
diff --git a/gas/ChangeLog b/gas/ChangeLog
index e33802b0f6..18f8939090 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,11 @@
+2019-07-19  Jose E. Marchesi  <[hidden email]>
+
+ * testsuite/gas/bpf/alu.d: Use %r6 instead of %ctx.
+ * testsuite/gas/bpf/lddw-be.d: Likewise.
+ * testsuite/gas/bpf/lddw.d: Likewise.
+ * testsuite/gas/bpf/alu-be.d: Likewise.
+ * testsuite/gas/bpf/alu32.d: Likewise.
+
 2019-07-19  Jose E. Marchesi  <[hidden email]>
 
  * config/tc-bpf.c (pe_lcomm_internal): Adapted from tc-i386.c.
diff --git a/gas/testsuite/gas/bpf/alu-be.d b/gas/testsuite/gas/bpf/alu-be.d
index 9aab7fb5b4..2a59a4c85a 100644
--- a/gas/testsuite/gas/bpf/alu-be.d
+++ b/gas/testsuite/gas/bpf/alu-be.d
@@ -11,49 +11,49 @@ Disassembly of section .text:
    0: 07 20 00 00 00 00 02 9a add %r2,0x29a
    8: 07 30 00 00 ff ff fd 66 add %r3,-666
   10: 07 40 00 00 7e ad be ef add %r4,0x7eadbeef
-  18: 0f 56 00 00 00 00 00 00 add %r5,%ctx
+  18: 0f 56 00 00 00 00 00 00 add %r5,%r6
   20: 17 20 00 00 00 00 02 9a sub %r2,0x29a
   28: 17 30 00 00 ff ff fd 66 sub %r3,-666
   30: 17 40 00 00 7e ad be ef sub %r4,0x7eadbeef
-  38: 1f 56 00 00 00 00 00 00 sub %r5,%ctx
+  38: 1f 56 00 00 00 00 00 00 sub %r5,%r6
   40: 27 20 00 00 00 00 02 9a mul %r2,0x29a
   48: 27 30 00 00 ff ff fd 66 mul %r3,-666
   50: 27 40 00 00 7e ad be ef mul %r4,0x7eadbeef
-  58: 2f 56 00 00 00 00 00 00 mul %r5,%ctx
+  58: 2f 56 00 00 00 00 00 00 mul %r5,%r6
   60: 37 20 00 00 00 00 02 9a div %r2,0x29a
   68: 37 30 00 00 ff ff fd 66 div %r3,-666
   70: 37 40 00 00 7e ad be ef div %r4,0x7eadbeef
-  78: 3f 56 00 00 00 00 00 00 div %r5,%ctx
+  78: 3f 56 00 00 00 00 00 00 div %r5,%r6
   80: 47 20 00 00 00 00 02 9a or %r2,0x29a
   88: 47 30 00 00 ff ff fd 66 or %r3,-666
   90: 47 40 00 00 7e ad be ef or %r4,0x7eadbeef
-  98: 4f 56 00 00 00 00 00 00 or %r5,%ctx
+  98: 4f 56 00 00 00 00 00 00 or %r5,%r6
   a0: 57 20 00 00 00 00 02 9a and %r2,0x29a
   a8: 57 30 00 00 ff ff fd 66 and %r3,-666
   b0: 57 40 00 00 7e ad be ef and %r4,0x7eadbeef
-  b8: 5f 56 00 00 00 00 00 00 and %r5,%ctx
+  b8: 5f 56 00 00 00 00 00 00 and %r5,%r6
   c0: 67 20 00 00 00 00 02 9a lsh %r2,0x29a
   c8: 67 30 00 00 ff ff fd 66 lsh %r3,-666
   d0: 67 40 00 00 7e ad be ef lsh %r4,0x7eadbeef
-  d8: 6f 56 00 00 00 00 00 00 lsh %r5,%ctx
+  d8: 6f 56 00 00 00 00 00 00 lsh %r5,%r6
   e0: 77 20 00 00 00 00 02 9a rsh %r2,0x29a
   e8: 77 30 00 00 ff ff fd 66 rsh %r3,-666
   f0: 77 40 00 00 7e ad be ef rsh %r4,0x7eadbeef
-  f8: 7f 56 00 00 00 00 00 00 rsh %r5,%ctx
+  f8: 7f 56 00 00 00 00 00 00 rsh %r5,%r6
  100: 97 20 00 00 00 00 02 9a mod %r2,0x29a
  108: 97 30 00 00 ff ff fd 66 mod %r3,-666
  110: 97 40 00 00 7e ad be ef mod %r4,0x7eadbeef
- 118: 9f 56 00 00 00 00 00 00 mod %r5,%ctx
+ 118: 9f 56 00 00 00 00 00 00 mod %r5,%r6
  120: a7 20 00 00 00 00 02 9a xor %r2,0x29a
  128: a7 30 00 00 ff ff fd 66 xor %r3,-666
  130: a7 40 00 00 7e ad be ef xor %r4,0x7eadbeef
- 138: af 56 00 00 00 00 00 00 xor %r5,%ctx
+ 138: af 56 00 00 00 00 00 00 xor %r5,%r6
  140: b7 20 00 00 00 00 02 9a mov %r2,0x29a
  148: b7 30 00 00 ff ff fd 66 mov %r3,-666
  150: b7 40 00 00 7e ad be ef mov %r4,0x7eadbeef
- 158: bf 56 00 00 00 00 00 00 mov %r5,%ctx
+ 158: bf 56 00 00 00 00 00 00 mov %r5,%r6
  160: c7 20 00 00 00 00 02 9a arsh %r2,0x29a
  168: c7 30 00 00 ff ff fd 66 arsh %r3,-666
  170: c7 40 00 00 7e ad be ef arsh %r4,0x7eadbeef
- 178: cf 56 00 00 00 00 00 00 arsh %r5,%ctx
+ 178: cf 56 00 00 00 00 00 00 arsh %r5,%r6
  180: 8f 20 00 00 00 00 00 00 neg %r2
diff --git a/gas/testsuite/gas/bpf/alu.d b/gas/testsuite/gas/bpf/alu.d
index c1ad2e0136..e6bfbe16ae 100644
--- a/gas/testsuite/gas/bpf/alu.d
+++ b/gas/testsuite/gas/bpf/alu.d
@@ -10,49 +10,49 @@ Disassembly of section .text:
    0: 07 02 00 00 9a 02 00 00 add %r2,0x29a
    8: 07 03 00 00 66 fd ff ff add %r3,-666
   10: 07 04 00 00 ef be ad 7e add %r4,0x7eadbeef
-  18: 0f 65 00 00 00 00 00 00 add %r5,%ctx
+  18: 0f 65 00 00 00 00 00 00 add %r5,%r6
   20: 17 02 00 00 9a 02 00 00 sub %r2,0x29a
   28: 17 03 00 00 66 fd ff ff sub %r3,-666
   30: 17 04 00 00 ef be ad 7e sub %r4,0x7eadbeef
-  38: 1f 65 00 00 00 00 00 00 sub %r5,%ctx
+  38: 1f 65 00 00 00 00 00 00 sub %r5,%r6
   40: 27 02 00 00 9a 02 00 00 mul %r2,0x29a
   48: 27 03 00 00 66 fd ff ff mul %r3,-666
   50: 27 04 00 00 ef be ad 7e mul %r4,0x7eadbeef
-  58: 2f 65 00 00 00 00 00 00 mul %r5,%ctx
+  58: 2f 65 00 00 00 00 00 00 mul %r5,%r6
   60: 37 02 00 00 9a 02 00 00 div %r2,0x29a
   68: 37 03 00 00 66 fd ff ff div %r3,-666
   70: 37 04 00 00 ef be ad 7e div %r4,0x7eadbeef
-  78: 3f 65 00 00 00 00 00 00 div %r5,%ctx
+  78: 3f 65 00 00 00 00 00 00 div %r5,%r6
   80: 47 02 00 00 9a 02 00 00 or %r2,0x29a
   88: 47 03 00 00 66 fd ff ff or %r3,-666
   90: 47 04 00 00 ef be ad 7e or %r4,0x7eadbeef
-  98: 4f 65 00 00 00 00 00 00 or %r5,%ctx
+  98: 4f 65 00 00 00 00 00 00 or %r5,%r6
   a0: 57 02 00 00 9a 02 00 00 and %r2,0x29a
   a8: 57 03 00 00 66 fd ff ff and %r3,-666
   b0: 57 04 00 00 ef be ad 7e and %r4,0x7eadbeef
-  b8: 5f 65 00 00 00 00 00 00 and %r5,%ctx
+  b8: 5f 65 00 00 00 00 00 00 and %r5,%r6
   c0: 67 02 00 00 9a 02 00 00 lsh %r2,0x29a
   c8: 67 03 00 00 66 fd ff ff lsh %r3,-666
   d0: 67 04 00 00 ef be ad 7e lsh %r4,0x7eadbeef
-  d8: 6f 65 00 00 00 00 00 00 lsh %r5,%ctx
+  d8: 6f 65 00 00 00 00 00 00 lsh %r5,%r6
   e0: 77 02 00 00 9a 02 00 00 rsh %r2,0x29a
   e8: 77 03 00 00 66 fd ff ff rsh %r3,-666
   f0: 77 04 00 00 ef be ad 7e rsh %r4,0x7eadbeef
-  f8: 7f 65 00 00 00 00 00 00 rsh %r5,%ctx
+  f8: 7f 65 00 00 00 00 00 00 rsh %r5,%r6
  100: 97 02 00 00 9a 02 00 00 mod %r2,0x29a
  108: 97 03 00 00 66 fd ff ff mod %r3,-666
  110: 97 04 00 00 ef be ad 7e mod %r4,0x7eadbeef
- 118: 9f 65 00 00 00 00 00 00 mod %r5,%ctx
+ 118: 9f 65 00 00 00 00 00 00 mod %r5,%r6
  120: a7 02 00 00 9a 02 00 00 xor %r2,0x29a
  128: a7 03 00 00 66 fd ff ff xor %r3,-666
  130: a7 04 00 00 ef be ad 7e xor %r4,0x7eadbeef
- 138: af 65 00 00 00 00 00 00 xor %r5,%ctx
+ 138: af 65 00 00 00 00 00 00 xor %r5,%r6
  140: b7 02 00 00 9a 02 00 00 mov %r2,0x29a
  148: b7 03 00 00 66 fd ff ff mov %r3,-666
  150: b7 04 00 00 ef be ad 7e mov %r4,0x7eadbeef
- 158: bf 65 00 00 00 00 00 00 mov %r5,%ctx
+ 158: bf 65 00 00 00 00 00 00 mov %r5,%r6
  160: c7 02 00 00 9a 02 00 00 arsh %r2,0x29a
  168: c7 03 00 00 66 fd ff ff arsh %r3,-666
  170: c7 04 00 00 ef be ad 7e arsh %r4,0x7eadbeef
- 178: cf 65 00 00 00 00 00 00 arsh %r5,%ctx
+ 178: cf 65 00 00 00 00 00 00 arsh %r5,%r6
  180: 8f 02 00 00 00 00 00 00 neg %r2
diff --git a/gas/testsuite/gas/bpf/alu32-be.d b/gas/testsuite/gas/bpf/alu32-be.d
index 8cebbbfbc9..50eb3de9ff 100644
--- a/gas/testsuite/gas/bpf/alu32-be.d
+++ b/gas/testsuite/gas/bpf/alu32-be.d
@@ -11,55 +11,55 @@ Disassembly of section .text:
    0: 04 20 00 00 00 00 02 9a add32 %r2,0x29a
    8: 04 30 00 00 ff ff fd 66 add32 %r3,-666
   10: 04 40 00 00 7e ad be ef add32 %r4,0x7eadbeef
-  18: 0c 56 00 00 00 00 00 00 add32 %r5,%ctx
+  18: 0c 56 00 00 00 00 00 00 add32 %r5,%r6
   20: 14 20 00 00 00 00 02 9a sub32 %r2,0x29a
   28: 14 30 00 00 ff ff fd 66 sub32 %r3,-666
   30: 14 40 00 00 7e ad be ef sub32 %r4,0x7eadbeef
-  38: 1c 56 00 00 00 00 00 00 sub32 %r5,%ctx
+  38: 1c 56 00 00 00 00 00 00 sub32 %r5,%r6
   40: 24 20 00 00 00 00 02 9a mul32 %r2,0x29a
   48: 24 30 00 00 ff ff fd 66 mul32 %r3,-666
   50: 24 40 00 00 7e ad be ef mul32 %r4,0x7eadbeef
-  58: 2c 56 00 00 00 00 00 00 mul32 %r5,%ctx
+  58: 2c 56 00 00 00 00 00 00 mul32 %r5,%r6
   60: 34 20 00 00 00 00 02 9a div32 %r2,0x29a
   68: 34 30 00 00 ff ff fd 66 div32 %r3,-666
   70: 34 40 00 00 7e ad be ef div32 %r4,0x7eadbeef
-  78: 3c 56 00 00 00 00 00 00 div32 %r5,%ctx
+  78: 3c 56 00 00 00 00 00 00 div32 %r5,%r6
   80: 44 20 00 00 00 00 02 9a or32 %r2,0x29a
   88: 44 30 00 00 ff ff fd 66 or32 %r3,-666
   90: 44 40 00 00 7e ad be ef or32 %r4,0x7eadbeef
-  98: 4c 56 00 00 00 00 00 00 or32 %r5,%ctx
+  98: 4c 56 00 00 00 00 00 00 or32 %r5,%r6
   a0: 54 20 00 00 00 00 02 9a and32 %r2,0x29a
   a8: 54 30 00 00 ff ff fd 66 and32 %r3,-666
   b0: 54 40 00 00 7e ad be ef and32 %r4,0x7eadbeef
-  b8: 5c 56 00 00 00 00 00 00 and32 %r5,%ctx
+  b8: 5c 56 00 00 00 00 00 00 and32 %r5,%r6
   c0: 64 20 00 00 00 00 02 9a lsh32 %r2,0x29a
   c8: 64 30 00 00 ff ff fd 66 lsh32 %r3,-666
   d0: 64 40 00 00 7e ad be ef lsh32 %r4,0x7eadbeef
-  d8: 6c 56 00 00 00 00 00 00 lsh32 %r5,%ctx
+  d8: 6c 56 00 00 00 00 00 00 lsh32 %r5,%r6
   e0: 74 20 00 00 00 00 02 9a rsh32 %r2,0x29a
   e8: 74 30 00 00 ff ff fd 66 rsh32 %r3,-666
   f0: 74 40 00 00 7e ad be ef rsh32 %r4,0x7eadbeef
-  f8: 7c 56 00 00 00 00 00 00 rsh32 %r5,%ctx
+  f8: 7c 56 00 00 00 00 00 00 rsh32 %r5,%r6
  100: 94 20 00 00 00 00 02 9a mod32 %r2,0x29a
  108: 94 30 00 00 ff ff fd 66 mod32 %r3,-666
  110: 94 40 00 00 7e ad be ef mod32 %r4,0x7eadbeef
- 118: 9c 56 00 00 00 00 00 00 mod32 %r5,%ctx
+ 118: 9c 56 00 00 00 00 00 00 mod32 %r5,%r6
  120: a4 20 00 00 00 00 02 9a xor32 %r2,0x29a
  128: a4 30 00 00 ff ff fd 66 xor32 %r3,-666
  130: a4 40 00 00 7e ad be ef xor32 %r4,0x7eadbeef
- 138: ac 56 00 00 00 00 00 00 xor32 %r5,%ctx
+ 138: ac 56 00 00 00 00 00 00 xor32 %r5,%r6
  140: b4 20 00 00 00 00 02 9a mov32 %r2,0x29a
  148: b4 30 00 00 ff ff fd 66 mov32 %r3,-666
  150: b4 40 00 00 7e ad be ef mov32 %r4,0x7eadbeef
- 158: bc 56 00 00 00 00 00 00 mov32 %r5,%ctx
+ 158: bc 56 00 00 00 00 00 00 mov32 %r5,%r6
  160: c4 20 00 00 00 00 02 9a arsh32 %r2,0x29a
  168: c4 30 00 00 ff ff fd 66 arsh32 %r3,-666
  170: c4 40 00 00 7e ad be ef arsh32 %r4,0x7eadbeef
- 178: cc 56 00 00 00 00 00 00 arsh32 %r5,%ctx
+ 178: cc 56 00 00 00 00 00 00 arsh32 %r5,%r6
  180: 8c 20 00 00 00 00 00 00 neg32 %r2
  188: d4 90 00 00 00 00 00 10 endle %r9,16
  190: d4 80 00 00 00 00 00 20 endle %r8,32
  198: d4 70 00 00 00 00 00 40 endle %r7,64
- 1a0: dc 60 00 00 00 00 00 10 endbe %ctx,16
+ 1a0: dc 60 00 00 00 00 00 10 endbe %r6,16
  1a8: dc 50 00 00 00 00 00 20 endbe %r5,32
  1b0: dc 40 00 00 00 00 00 40 endbe %r4,64
diff --git a/gas/testsuite/gas/bpf/alu32.d b/gas/testsuite/gas/bpf/alu32.d
index 655a71b14b..2cdb74aabb 100644
--- a/gas/testsuite/gas/bpf/alu32.d
+++ b/gas/testsuite/gas/bpf/alu32.d
@@ -10,55 +10,55 @@ Disassembly of section .text:
    0: 04 02 00 00 9a 02 00 00 add32 %r2,0x29a
    8: 04 03 00 00 66 fd ff ff add32 %r3,-666
   10: 04 04 00 00 ef be ad 7e add32 %r4,0x7eadbeef
-  18: 0c 65 00 00 00 00 00 00 add32 %r5,%ctx
+  18: 0c 65 00 00 00 00 00 00 add32 %r5,%r6
   20: 14 02 00 00 9a 02 00 00 sub32 %r2,0x29a
   28: 14 03 00 00 66 fd ff ff sub32 %r3,-666
   30: 14 04 00 00 ef be ad 7e sub32 %r4,0x7eadbeef
-  38: 1c 65 00 00 00 00 00 00 sub32 %r5,%ctx
+  38: 1c 65 00 00 00 00 00 00 sub32 %r5,%r6
   40: 24 02 00 00 9a 02 00 00 mul32 %r2,0x29a
   48: 24 03 00 00 66 fd ff ff mul32 %r3,-666
   50: 24 04 00 00 ef be ad 7e mul32 %r4,0x7eadbeef
-  58: 2c 65 00 00 00 00 00 00 mul32 %r5,%ctx
+  58: 2c 65 00 00 00 00 00 00 mul32 %r5,%r6
   60: 34 02 00 00 9a 02 00 00 div32 %r2,0x29a
   68: 34 03 00 00 66 fd ff ff div32 %r3,-666
   70: 34 04 00 00 ef be ad 7e div32 %r4,0x7eadbeef
-  78: 3c 65 00 00 00 00 00 00 div32 %r5,%ctx
+  78: 3c 65 00 00 00 00 00 00 div32 %r5,%r6
   80: 44 02 00 00 9a 02 00 00 or32 %r2,0x29a
   88: 44 03 00 00 66 fd ff ff or32 %r3,-666
   90: 44 04 00 00 ef be ad 7e or32 %r4,0x7eadbeef
-  98: 4c 65 00 00 00 00 00 00 or32 %r5,%ctx
+  98: 4c 65 00 00 00 00 00 00 or32 %r5,%r6
   a0: 54 02 00 00 9a 02 00 00 and32 %r2,0x29a
   a8: 54 03 00 00 66 fd ff ff and32 %r3,-666
   b0: 54 04 00 00 ef be ad 7e and32 %r4,0x7eadbeef
-  b8: 5c 65 00 00 00 00 00 00 and32 %r5,%ctx
+  b8: 5c 65 00 00 00 00 00 00 and32 %r5,%r6
   c0: 64 02 00 00 9a 02 00 00 lsh32 %r2,0x29a
   c8: 64 03 00 00 66 fd ff ff lsh32 %r3,-666
   d0: 64 04 00 00 ef be ad 7e lsh32 %r4,0x7eadbeef
-  d8: 6c 65 00 00 00 00 00 00 lsh32 %r5,%ctx
+  d8: 6c 65 00 00 00 00 00 00 lsh32 %r5,%r6
   e0: 74 02 00 00 9a 02 00 00 rsh32 %r2,0x29a
   e8: 74 03 00 00 66 fd ff ff rsh32 %r3,-666
   f0: 74 04 00 00 ef be ad 7e rsh32 %r4,0x7eadbeef
-  f8: 7c 65 00 00 00 00 00 00 rsh32 %r5,%ctx
+  f8: 7c 65 00 00 00 00 00 00 rsh32 %r5,%r6
  100: 94 02 00 00 9a 02 00 00 mod32 %r2,0x29a
  108: 94 03 00 00 66 fd ff ff mod32 %r3,-666
  110: 94 04 00 00 ef be ad 7e mod32 %r4,0x7eadbeef
- 118: 9c 65 00 00 00 00 00 00 mod32 %r5,%ctx
+ 118: 9c 65 00 00 00 00 00 00 mod32 %r5,%r6
  120: a4 02 00 00 9a 02 00 00 xor32 %r2,0x29a
  128: a4 03 00 00 66 fd ff ff xor32 %r3,-666
  130: a4 04 00 00 ef be ad 7e xor32 %r4,0x7eadbeef
- 138: ac 65 00 00 00 00 00 00 xor32 %r5,%ctx
+ 138: ac 65 00 00 00 00 00 00 xor32 %r5,%r6
  140: b4 02 00 00 9a 02 00 00 mov32 %r2,0x29a
  148: b4 03 00 00 66 fd ff ff mov32 %r3,-666
  150: b4 04 00 00 ef be ad 7e mov32 %r4,0x7eadbeef
- 158: bc 65 00 00 00 00 00 00 mov32 %r5,%ctx
+ 158: bc 65 00 00 00 00 00 00 mov32 %r5,%r6
  160: c4 02 00 00 9a 02 00 00 arsh32 %r2,0x29a
  168: c4 03 00 00 66 fd ff ff arsh32 %r3,-666
  170: c4 04 00 00 ef be ad 7e arsh32 %r4,0x7eadbeef
- 178: cc 65 00 00 00 00 00 00 arsh32 %r5,%ctx
+ 178: cc 65 00 00 00 00 00 00 arsh32 %r5,%r6
  180: 8c 02 00 00 00 00 00 00 neg32 %r2
  188: d4 09 00 00 10 00 00 00 endle %r9,16
  190: d4 08 00 00 20 00 00 00 endle %r8,32
  198: d4 07 00 00 40 00 00 00 endle %r7,64
- 1a0: dc 06 00 00 10 00 00 00 endbe %ctx,16
+ 1a0: dc 06 00 00 10 00 00 00 endbe %r6,16
  1a8: dc 05 00 00 20 00 00 00 endbe %r5,32
  1b0: dc 04 00 00 40 00 00 00 endbe %r4,64
diff --git a/gas/testsuite/gas/bpf/lddw-be.d b/gas/testsuite/gas/bpf/lddw-be.d
index 1d722fa569..dc69d3a64d 100644
--- a/gas/testsuite/gas/bpf/lddw-be.d
+++ b/gas/testsuite/gas/bpf/lddw-be.d
@@ -14,5 +14,5 @@ Disassembly of section .text:
   18: 00 00 00 00 00 00 00 00
   20: 18 50 00 00 55 66 77 88 lddw %r5,0x1122334455667788
   28: 00 00 00 00 11 22 33 44
-  30: 18 60 00 00 ff ff ff fe lddw %ctx,-2
+  30: 18 60 00 00 ff ff ff fe lddw %r6,-2
   38: 00 00 00 00 ff ff ff ff
diff --git a/gas/testsuite/gas/bpf/lddw.d b/gas/testsuite/gas/bpf/lddw.d
index 2ab4f73ac5..f44e772435 100644
--- a/gas/testsuite/gas/bpf/lddw.d
+++ b/gas/testsuite/gas/bpf/lddw.d
@@ -13,5 +13,5 @@ Disassembly of section .text:
   18: 00 00 00 00 00 00 00 00
   20: 18 05 00 00 88 77 66 55 lddw %r5,0x1122334455667788
   28: 00 00 00 00 44 33 22 11
-  30: 18 06 00 00 fe ff ff ff lddw %ctx,-2
+  30: 18 06 00 00 fe ff ff ff lddw %r6,-2
   38: 00 00 00 00 ff ff ff ff
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 254bc091f6..1a3b87fc2c 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,7 @@
+2019-07-19  Jose E. Marchesi  <[hidden email]>
+
+ * bpf-desc.c: Regenerated.
+
 2019-07-17  Jan Beulich  <[hidden email]>
 
  * i386-gen.c (static_assert): Define.
diff --git a/opcodes/bpf-desc.c b/opcodes/bpf-desc.c
index 18ded6e797..90adfe627c 100644
--- a/opcodes/bpf-desc.c
+++ b/opcodes/bpf-desc.c
@@ -133,19 +133,19 @@ static const CGEN_MACH bpf_cgen_mach_table[] = {
 
 static CGEN_KEYWORD_ENTRY bpf_cgen_opval_h_gpr_entries[] =
 {
-  { "%a", 0, {0, {{{0, 0}}}}, 0, 0 },
+  { "%r0", 0, {0, {{{0, 0}}}}, 0, 0 },
   { "%r1", 1, {0, {{{0, 0}}}}, 0, 0 },
   { "%r2", 2, {0, {{{0, 0}}}}, 0, 0 },
   { "%r3", 3, {0, {{{0, 0}}}}, 0, 0 },
   { "%r4", 4, {0, {{{0, 0}}}}, 0, 0 },
   { "%r5", 5, {0, {{{0, 0}}}}, 0, 0 },
-  { "%ctx", 6, {0, {{{0, 0}}}}, 0, 0 },
+  { "%r6", 6, {0, {{{0, 0}}}}, 0, 0 },
   { "%r7", 7, {0, {{{0, 0}}}}, 0, 0 },
   { "%r8", 8, {0, {{{0, 0}}}}, 0, 0 },
   { "%r9", 9, {0, {{{0, 0}}}}, 0, 0 },
   { "%fp", 10, {0, {{{0, 0}}}}, 0, 0 },
-  { "%r0", 0, {0, {{{0, 0}}}}, 0, 0 },
-  { "%r6", 6, {0, {{{0, 0}}}}, 0, 0 },
+  { "%a", 0, {0, {{{0, 0}}}}, 0, 0 },
+  { "%ctx", 6, {0, {{{0, 0}}}}, 0, 0 },
   { "%r10", 10, {0, {{{0, 0}}}}, 0, 0 }
 };
 
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Failures on Fedora-i686, branch master

gdb-buildbot
Buildername:
        Fedora-i686

Worker:
        fedora-x86-64-4

Full Build URL:
        https://gdb-buildbot.osci.io/#builders/18/builds/341

Author:
        Jose E. Marchesi <[hidden email]>

Commit tested:
        231097b03afffd0c5a2b520cd999dbcbe8d64eda

Subject of commit:
        cpu,opcodes,gas: use %r0 and %r6 instead of %a and %ctf in eBPF disassembler

Testsuite logs (gdb.sum, gdb.log and others):
        https://gdb-buildbot.osci.io/results/Fedora-i686/23/231097b03afffd0c5a2b520cd999dbcbe8d64eda/

*** Diff to previous build ***
==============================================
PASS -> KFAIL: gdb.threads/process-dies-while-handling-bp.exp: non_stop=off: cond_bp_target=0: inferior 1 exited
PASS -> KFAIL: gdb.threads/process-dies-while-handling-bp.exp: non_stop=on: cond_bp_target=1: inferior 1 exited
==============================================

*** Complete list of XFAILs for this builder ***

To obtain the list of XFAIL tests for this builder, go to:

        <https://gdb-buildbot.osci.io/results/Fedora-i686/23/231097b03afffd0c5a2b520cd999dbcbe8d64eda//xfail.gz>

You can also see a pretty-printed version of the list, with more information
about each XFAIL, by going to:

        <https://gdb-buildbot.osci.io/results/Fedora-i686/23/231097b03afffd0c5a2b520cd999dbcbe8d64eda//xfail.table.gz>

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Failures on Fedora-x86_64-cc-with-index, branch master

gdb-buildbot
In reply to this post by gdb-buildbot
Buildername:
        Fedora-x86_64-cc-with-index

Worker:
        fedora-x86-64-3

Full Build URL:
        https://gdb-buildbot.osci.io/#builders/20/builds/340

Author:
        Jose E. Marchesi <[hidden email]>

Commit tested:
        231097b03afffd0c5a2b520cd999dbcbe8d64eda

Subject of commit:
        cpu,opcodes,gas: use %r0 and %r6 instead of %a and %ctf in eBPF disassembler

Testsuite logs (gdb.sum, gdb.log and others):
        https://gdb-buildbot.osci.io/results/Fedora-x86_64-cc-with-index/23/231097b03afffd0c5a2b520cd999dbcbe8d64eda/

*** Diff to previous build ***
==============================================
PASS -> KFAIL: gdb.threads/non-ldr-exit.exp: program exits normally
==============================================

*** Complete list of XFAILs for this builder ***

To obtain the list of XFAIL tests for this builder, go to:

        <https://gdb-buildbot.osci.io/results/Fedora-x86_64-cc-with-index/23/231097b03afffd0c5a2b520cd999dbcbe8d64eda//xfail.gz>

You can also see a pretty-printed version of the list, with more information
about each XFAIL, by going to:

        <https://gdb-buildbot.osci.io/results/Fedora-x86_64-cc-with-index/23/231097b03afffd0c5a2b520cd999dbcbe8d64eda//xfail.table.gz>

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Failures on Fedora-x86_64-native-extended-gdbserver-m32, branch master

gdb-buildbot
In reply to this post by gdb-buildbot
Buildername:
        Fedora-x86_64-native-extended-gdbserver-m32

Worker:
        fedora-x86-64-3

Full Build URL:
        https://gdb-buildbot.osci.io/#builders/4/builds/338

Author:
        Jose E. Marchesi <[hidden email]>

Commit tested:
        231097b03afffd0c5a2b520cd999dbcbe8d64eda

Subject of commit:
        cpu,opcodes,gas: use %r0 and %r6 instead of %a and %ctf in eBPF disassembler

Testsuite logs (gdb.sum, gdb.log and others):
        https://gdb-buildbot.osci.io/results/Fedora-x86_64-native-extended-gdbserver-m32/23/231097b03afffd0c5a2b520cd999dbcbe8d64eda/

*** Diff to previous build ***
==============================================
PASS -> UNRESOLVED: gdb.threads/attach-into-signal.exp: threaded: attach
PASS -> KFAIL: gdb.threads/process-dies-while-handling-bp.exp: non_stop=on: cond_bp_target=0: inferior 1 exited
==============================================

*** Complete list of XFAILs for this builder ***

To obtain the list of XFAIL tests for this builder, go to:

        <https://gdb-buildbot.osci.io/results/Fedora-x86_64-native-extended-gdbserver-m32/23/231097b03afffd0c5a2b520cd999dbcbe8d64eda//xfail.gz>

You can also see a pretty-printed version of the list, with more information
about each XFAIL, by going to:

        <https://gdb-buildbot.osci.io/results/Fedora-x86_64-native-extended-gdbserver-m32/23/231097b03afffd0c5a2b520cd999dbcbe8d64eda//xfail.table.gz>