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author | David Faust <david.faust@oracle.com> | 2020-04-16 09:52:57 +0200 |
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committer | Jose E. Marchesi <jose.marchesi@oracle.com> | 2020-04-16 09:52:57 +0200 |
commit | c54a9b56696e584c2b8c7146caac337c063f5516 (patch) | |
tree | 33205ceeca676265c2b2d4f5c049ec762d29fadd /cpu | |
parent | d191d716f38b41720c4955823fe6c178cf0786f0 (diff) | |
download | gdb-c54a9b56696e584c2b8c7146caac337c063f5516.zip gdb-c54a9b56696e584c2b8c7146caac337c063f5516.tar.gz gdb-c54a9b56696e584c2b8c7146caac337c063f5516.tar.bz2 |
cpu,gas,opcodes: support for eBPF JMP32 instruction class
Add support for the JMP32 class of eBPF instructions.
cpu/ChangeLog
* bpf.cpu (define-cond-jump-insn): Renamed from djci.
(dcji) New version with support for JMP32
gas/ChangeLog
* testsuite/gas/bpf/bpf.exp: Run jump32 tests.
* testsuite/gas/bpf/jump32.s: New file.
* testsuite/gas/bpf/jump32.d: Likewise.
opcodes/ChangeLog
* bpf-desc.c: Regenerate.
* bpf-desc.h: Likewise.
* bpf-opc.c: Regenerate.
* bpf-opc.h: Likewise.
Diffstat (limited to 'cpu')
-rw-r--r-- | cpu/ChangeLog | 5 | ||||
-rw-r--r-- | cpu/bpf.cpu | 29 |
2 files changed, 22 insertions, 12 deletions
diff --git a/cpu/ChangeLog b/cpu/ChangeLog index f67c869..2324006 100644 --- a/cpu/ChangeLog +++ b/cpu/ChangeLog @@ -1,3 +1,8 @@ +2020-02-16 David Faust <david.faust@oracle.com> + + * bpf.cpu (define-cond-jump-insn): Renamed from djci. + (dcji) New version with support for JMP32 + 2020-02-03 Alan Modra <amodra@gmail.com> * m32c.cpu (f-dsp-64-s16): Mask before shifting signed value. diff --git a/cpu/bpf.cpu b/cpu/bpf.cpu index 1378bda..89a27fe 100644 --- a/cpu/bpf.cpu +++ b/cpu/bpf.cpu @@ -222,7 +222,7 @@ (define-normal-insn-enum insn-op-class "eBPF instruction class" (all-isas) OP_CLASS_ f-op-class ((LD #b000) (LDX #b001) (ST #b010) (STX #b011) - (ALU #b100) (JMP #b101) (ALU64 #b111))) + (ALU #b100) (JMP #b101) (JMP32 #b110) (ALU64 #b111))) ;; For load/store instructions, the 8-bit code field is subdivided in: ;; @@ -583,25 +583,30 @@ ;; registers. Therefore, we need to define several variants in both ;; ISAs: ;; -;; J{eq,gt,ge,lt,le,set,ne,sgt,sge,slt,sle}{i,r}le for the +;; J{eq,gt,ge,lt,le,set,ne,sgt,sge,slt,sle}[32]{i,r}le for the ;; little-endian ISA. -;; J{eq,gt,ge,lt,le,set,ne.sgt,sge,slt,sle}{i,r}be for the +;; J{eq,gt,ge,lt,le,set,ne.sgt,sge,slt,sle}[32]{i,r}be for the ;; big-endian ISA. -(define-pmacro (dcji x-cond x-op-code x-endian) +(define-pmacro (define-cond-jump-insn x-cond x-suffix x-op-class x-op-code x-endian) (begin - (dni (.sym j x-cond i x-endian) - (.str j x-cond "i") + (dni (.sym j x-cond x-suffix i x-endian) + (.str j x-cond x-suffix " i") ((ISA (.sym ebpf x-endian))) - (.str "j" x-cond " $dst" x-endian ",$imm32,$disp16") + (.str "j" x-cond x-suffix " $dst" x-endian ",$imm32,$disp16") (+ imm32 disp16 ((.sym f-src x-endian) 0) (.sym dst x-endian) - OP_CLASS_JMP OP_SRC_K (.sym OP_CODE_ x-op-code)) () ()) - (dni (.sym j x-cond r x-endian) - (.str j x-cond "r") + x-op-class OP_SRC_K (.sym OP_CODE_ x-op-code)) () ()) + (dni (.sym j x-cond x-suffix r x-endian) + (.str j x-cond x-suffix " r") ((ISA (.sym ebpf x-endian))) - (.str "j" x-cond " $dst" x-endian ",$src" x-endian ",$disp16") + (.str "j" x-cond x-suffix " $dst" x-endian ",$src" x-endian ",$disp16") (+ (f-imm32 0) disp16 (.sym src x-endian) (.sym dst x-endian) - OP_CLASS_JMP OP_SRC_X (.sym OP_CODE_ x-op-code)) () ()))) + x-op-class OP_SRC_X (.sym OP_CODE_ x-op-code)) () ()))) + +(define-pmacro (dcji x-cond x-op-code x-endian) + (begin + (define-cond-jump-insn x-cond "" OP_CLASS_JMP x-op-code x-endian) + (define-cond-jump-insn x-cond "32" OP_CLASS_JMP32 x-op-code x-endian))) (define-pmacro (define-condjump-insns x-endian) (begin |