From 2145057cb8a50aba1a27a67be19953bee9b164fd Mon Sep 17 00:00:00 2001 From: Dmitry Vyukov Date: Sun, 25 Feb 2018 14:44:29 +0100 Subject: pkg/compiler: fix alignment corner case Fix alignemnt calculation for packed structs with alignment and bitfields. Amusingly this affected only a single real struct -- ipv6_fragment_ext_header. --- sys/linux/amd64.go | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'sys/linux/amd64.go') diff --git a/sys/linux/amd64.go b/sys/linux/amd64.go index a85616326..f6b0c54a1 100644 --- a/sys/linux/amd64.go +++ b/sys/linux/amd64.go @@ -4491,7 +4491,7 @@ var structDescs_amd64 = []*KeyedStruct{ &StructType{Key: StructKey{Name: "ipv6_fragment_ext_header"}, FldName: "fragment"}, &StructType{Key: StructKey{Name: "ipv6_dstopts_ext_header"}, FldName: "dstopts"}, }}}, - {Key: StructKey{Name: "ipv6_fragment_ext_header"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ipv6_fragment_ext_header", TypeSize: 14}, Fields: []Type{ + {Key: StructKey{Name: "ipv6_fragment_ext_header"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ipv6_fragment_ext_header", TypeSize: 8}, Fields: []Type{ &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ipv6_types", FldName: "next_header", TypeSize: 1}}, Vals: []uint64{0, 1, 2, 4, 6, 8, 12, 17, 22, 29, 33, 41, 46, 47, 50, 51, 92, 94, 98, 103, 108, 132, 136, 137, 255, 0, 43, 44, 58, 59, 60, 135, 0, 43, 44, 47, 50, 51, 58, 59, 60, 135, 115}}, &ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserved1", TypeSize: 1}}}, &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "fragment_off_hi", TypeSize: 1}}}, @@ -4499,7 +4499,6 @@ var structDescs_amd64 = []*KeyedStruct{ &ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserved2", TypeSize: 1}, BitfieldOff: 1, BitfieldLen: 2, BitfieldMdl: true}}, &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "fragment_off_lo", TypeSize: 1}, BitfieldOff: 3, BitfieldLen: 5}}, &ProcType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "proc", FldName: "identification", TypeSize: 4}}, ValuesStart: 100, ValuesPerProc: 4}, - &ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 6}}, IsPad: true}, }, AlignAttr: 8}}, {Key: StructKey{Name: "ipv6_hopots_ext_header"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ipv6_hopots_ext_header", IsVarlen: true}, Fields: []Type{ &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ipv6_types", FldName: "next_header", TypeSize: 1}}, Vals: []uint64{0, 1, 2, 4, 6, 8, 12, 17, 22, 29, 33, 41, 46, 47, 50, 51, 92, 94, 98, 103, 108, 132, 136, 137, 255, 0, 43, 44, 58, 59, 60, 135, 0, 43, 44, 47, 50, 51, 58, 59, 60, 135, 115}}, @@ -25634,4 +25633,4 @@ var consts_amd64 = []ConstValue{ {Name: "bpf_insn_load_imm_dw", Value: 24}, } -const revision_amd64 = "5e90d87bd5a53f631c72bfac0710424ecd2c9e28" +const revision_amd64 = "f5d957ae165e714c54b67d39db5982187b5393ec" -- cgit mrf-deployment