1414codeforge/ubgpsuite
1
0
Fork 0
mirror of https://codeberg.org/1414codeforge/ubgpsuite.git synced 2025-06-05 21:29:11 +02:00
Code Packages Projects Releases Activity

[lonetix/bgp] Optimize BGP VM code by adding more terminating instructions and factorize their code; remove obsolete ASMTCH instruction, redirecting it to FASMTC

Browse Source
This commit is contained in:
Lorenzo Cogotti
2021-10-18 12:14:22 +02:00
parent 45d9b20b9e
commit ae052ea987
6 changed files with 92 additions and 161 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
lonetix/include/df/bgp/vm.h
View File

@ -75,26 +75,40 @@ FORCE_INLINE Uint8 BGP_VMOPARG(Bgpvmbytec bytec)
#define BGP_VMOP_TAG U8_C(8)
/// NOT - Boolean negate the topmost stack element
#define BGP_VMOP_NOT U8_C(9)
/// CONDITIONAL FAIL If TRUE - Fail the current matching `BLK` if topmost stack element is non-zero
/// CONDITIONAL FAIL If TRUE - Fail current match `BLK` if topmost stack element is non-zero
#define BGP_VMOP_CFAIL U8_C(10)
/// CONDITIONAL PASS If TRUE - Pass the current matching `BLK` if topmost stack element is non-zero
/// CONDITIONAL PASS If TRUE - Pass current match `BLK` if topmost stack element is non-zero
#define BGP_VMOP_CPASS U8_C(11)
/// FAIL IF FALSE - Fail current match `BLK` if topmost stack element is zero
#define BGP_VMOP_ORFAIL U8_C(12)
/// PASS IF FALSE - Pass current match `BLK` if topmost stack element is zero
#define BGP_VMOP_ORPASS U8_C(13)
FORCE_INLINE Boolean BGP_ISVMOPBREAKING(Bgpvmopc opc)
{
return opc >= BGP_VMOP_CFAIL && opc <= BGP_VMOP_ORPASS;
}
/// Jump if zero - Skip over a positive number of instructions if topmost stack element is 0.
#define BGP_VMOP_JZ U8_C(12)
#define BGP_VMOP_JZ U8_C(14)
/// Jump if non-zero - Skip over a positive number of instructions if topmost stack element is not 0.
#define BGP_VMOP_JNZ U8_C(13)
#define BGP_VMOP_JNZ U8_C(15)
FORCE_INLINE Boolean Bgp_ISVMOPJMP(Bgpvmopc opc)
{
return opc == BGP_VMOP_JZ || opc == BGP_VMOP_JNZ;
}
/// CHECK TYPE - ARG is the `BgpType` to test against
#define BGP_VMOP_CHKT U8_C(14)
#define BGP_VMOP_CHKT U8_C(16)
/// CHECK ATTRIBUTE - ARG is the `BgpAttrCode` to test for existence
#define BGP_VMOP_CHKA U8_C(15)
#define BGP_VMOP_CHKA U8_C(17)
#define BGP_VMOP_EXCT U8_C(16)
#define BGP_VMOP_SUPN U8_C(17)
#define BGP_VMOP_SUBN U8_C(18)
#define BGP_VMOP_EXCT U8_C(18)
#define BGP_VMOP_SUPN U8_C(19)
#define BGP_VMOP_SUBN U8_C(20)
/// RELATED - Tests whether the BGP message contains prefixes related with the provided ones
#define BGP_VMOP_RELT U8_C(19)
#define BGP_VMOP_RELT U8_C(21)
/// Returns `TRUE` if `opc` belongs to an instruction operating on NETwork prefixes.
FORCE_INLINE Boolean BGP_ISVMOPNET(Bgpvmopc opc)
@ -102,17 +116,20 @@ FORCE_INLINE Boolean BGP_ISVMOPNET(Bgpvmopc opc)
return opc >= BGP_VMOP_EXCT && opc <= BGP_VMOP_RELT;
}
/// AS PATH MATCH - Tests BGP message AS PATH against a match expression
#define BGP_VMOP_ASMTCH U8_C(20)
/// FAST AS PATH MATCH - AS PATH test using precompiled AS PATH match expression
#define BGP_VMOP_FASMTC U8_C(21)
/// AS PATH MATCH - Tests BGP message AS PATH against a precompiled match expression
#define BGP_VMOP_ASMTCH U8_C(22)
/// COMMUNITY MATCH - COMMUNITY test using a precompiled COMMUNITY match expression
#define BGP_VMOP_COMTCH U8_C(22)
#define BGP_VMOP_COMTCH U8_C(23)
/// ALL COMMUNITY MATCH - Like COMTCH, but requires all communities to be present inside message
#define BGP_VMOP_ACOMTC U8_C(23)
#define BGP_VMOP_ACOMTC U8_C(24)
/// END - Terminate VM execution with the latest result
#define BGP_VMOP_END U8_C(24)
#define BGP_VMOP_END U8_C(25)
FORCE_INLINE Boolean BGP_ISVMOPENDING(Bgpvmopc opc)
{
return opc == BGP_VMOP_ENDBLK || opc == BGP_VMOP_END;
}
// #define BGP_VMOP_MOVK MOVE K - Move topmost K index to ARG K index
// #define BGP_VMOP_DISCRD DISCARD - discard vm->curMatch if any

10
lonetix/include/df/bgp/vmintrin.h
View File

@ -201,10 +201,11 @@ FORCE_INLINE void Bgp_VmDoCall(Bgpvm *vm, Uint8 idx)
if (fn) fn(vm);
}
/// Implement `CPASS` (Conditional `PASS` if `TRUE`).
Boolean Bgp_VmDoCpass(Bgpvm *vm);
/// Implement `CFAIL` (Conditional `FAIL` if `TRUE`).
Boolean Bgp_VmDoCfail(Bgpvm *vm);
/**
* \brief Implement `CPASS`, `CFAIL`, `ORPASS`, `ORFAIL`, depending
* on break condition and value.
*/
Boolean Bgp_VmDoBreakPoint(Bgpvm *vm, Boolean breakIf, Boolean onBreak);
/// Implement `TAG` instruction with argument `tag`.
FORCE_INLINE void Bgp_VmDoTag(Bgpvm *vm, Uint8 tag)
@ -242,7 +243,6 @@ void Bgp_VmDoSubn(Bgpvm *vm, Uint8 arg);
void Bgp_VmDoRelt(Bgpvm *vm, Uint8 arg);
void Bgp_VmDoAsmtch(Bgpvm *vm);
void Bgp_VmDoFasmtc(Bgpvm *vm);
void Bgp_VmDoComtch(Bgpvm *vm);
void Bgp_VmDoAcomtc(Bgpvm *vm);