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Code Issues 4 Releases Wiki Activity

[truetype] Add rudimentary tracing for bytecode instructions. 

* src/truetype/ttinterp.c (opcode_name) [FT_DEBUG_LEVEL_TRACE]: New
array.
(TT_RunIns): Trace opcodes.
This commit is contained in:
Werner Lemberg 2010-07-01 11:28:43 +02:00
parent 6305b869d8
commit 462ddb4072
2 changed files with 295 additions and 2 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2010-07-01 Werner Lemberg <wl@gnu.org>
[truetype] Add rudimentary tracing for bytecode instructions.
* src/truetype/ttinterp.c (opcode_name) [FT_DEBUG_LEVEL_TRACE]: New
array.
(TT_RunIns): Trace opcodes.
2010-06-30 Werner Lemberg <wl@gnu.org>
Fix Savannah bug #30263.

289
src/truetype/ttinterp.c
View File

@ -1112,6 +1112,287 @@
};
#ifdef FT_DEBUG_LEVEL_TRACE
static
const char* const opcode_name[256] =
{
"SVTCA y",
"SVTCA x",
"SPvTCA y",
"SPvTCA x",
"SFvTCA y",
"SFvTCA x",
"SPvTL ||",
"SPvTL +",
"SFvTL ||",
"SFvTL +",
"SPvFS",
"SFvFS",
"GPV",
"GFV",
"SFvTPv",
"ISECT",
"SRP0",
"SRP1",
"SRP2",
"SZP0",
"SZP1",
"SZP2",
"SZPS",
"SLOOP",
"RTG",
"RTHG",
"SMD",
"ELSE",
"JMPR",
"SCvTCi",
"SSwCi",
"SSW",
"DUP",
"POP",
"CLEAR",
"SWAP",
"DEPTH",
"CINDEX",
"MINDEX",
"AlignPTS",
"INS_$28",
"UTP",
"LOOPCALL",
"CALL",
"FDEF",
"ENDF",
"MDAP[0]",
"MDAP[1]",
"IUP[0]",
"IUP[1]",
"SHP[0]",
"SHP[1]",
"SHC[0]",
"SHC[1]",
"SHZ[0]",
"SHZ[1]",
"SHPIX",
"IP",
"MSIRP[0]",
"MSIRP[1]",
"AlignRP",
"RTDG",
"MIAP[0]",
"MIAP[1]",
"NPushB",
"NPushW",
"WS",
"RS",
"WCvtP",
"RCvt",
"GC[0]",
"GC[1]",
"SCFS",
"MD[0]",
"MD[1]",
"MPPEM",
"MPS",
"FlipON",
"FlipOFF",
"DEBUG",
"LT",
"LTEQ",
"GT",
"GTEQ",
"EQ",
"NEQ",
"ODD",
"EVEN",
"IF",
"EIF",
"AND",
"OR",
"NOT",
"DeltaP1",
"SDB",
"SDS",
"ADD",
"SUB",
"DIV",
"MUL",
"ABS",
"NEG",
"FLOOR",
"CEILING",
"ROUND[0]",
"ROUND[1]",
"ROUND[2]",
"ROUND[3]",
"NROUND[0]",
"NROUND[1]",
"NROUND[2]",
"NROUND[3]",
"WCvtF",
"DeltaP2",
"DeltaP3",
"DeltaCn[0]",
"DeltaCn[1]",
"DeltaCn[2]",
"SROUND",
"S45Round",
"JROT",
"JROF",
"ROFF",
"INS_$7B",
"RUTG",
"RDTG",
"SANGW",
"AA",
"FlipPT",
"FlipRgON",
"FlipRgOFF",
"INS_$83",
"INS_$84",
"ScanCTRL",
"SDVPTL[0]",
"SDVPTL[1]",
"GetINFO",
"IDEF",
"ROLL",
"MAX",
"MIN",
"ScanTYPE",
"InstCTRL",
"INS_$8F",
"INS_$90",
"INS_$91",
"INS_$92",
"INS_$93",
"INS_$94",
"INS_$95",
"INS_$96",
"INS_$97",
"INS_$98",
"INS_$99",
"INS_$9A",
"INS_$9B",
"INS_$9C",
"INS_$9D",
"INS_$9E",
"INS_$9F",
"INS_$A0",
"INS_$A1",
"INS_$A2",
"INS_$A3",
"INS_$A4",
"INS_$A5",
"INS_$A6",
"INS_$A7",
"INS_$A8",
"INS_$A9",
"INS_$AA",
"INS_$AB",
"INS_$AC",
"INS_$AD",
"INS_$AE",
"INS_$AF",
"PushB[0]",
"PushB[1]",
"PushB[2]",
"PushB[3]",
"PushB[4]",
"PushB[5]",
"PushB[6]",
"PushB[7]",
"PushW[0]",
"PushW[1]",
"PushW[2]",
"PushW[3]",
"PushW[4]",
"PushW[5]",
"PushW[6]",
"PushW[7]",
"MDRP[00]",
"MDRP[01]",
"MDRP[02]",
"MDRP[03]",
"MDRP[04]",
"MDRP[05]",
"MDRP[06]",
"MDRP[07]",
"MDRP[08]",
"MDRP[09]",
"MDRP[10]",
"MDRP[11]",
"MDRP[12]",
"MDRP[13]",
"MDRP[14]",
"MDRP[15]",
"MDRP[16]",
"MDRP[17]",
"MDRP[18]",
"MDRP[19]",
"MDRP[20]",
"MDRP[21]",
"MDRP[22]",
"MDRP[23]",
"MDRP[24]",
"MDRP[25]",
"MDRP[26]",
"MDRP[27]",
"MDRP[28]",
"MDRP[29]",
"MDRP[30]",
"MDRP[31]",
"MIRP[00]",
"MIRP[01]",
"MIRP[02]",
"MIRP[03]",
"MIRP[04]",
"MIRP[05]",
"MIRP[06]",
"MIRP[07]",
"MIRP[08]",
"MIRP[09]",
"MIRP[10]",
"MIRP[11]",
"MIRP[12]",
"MIRP[13]",
"MIRP[14]",
"MIRP[15]",
"MIRP[16]",
"MIRP[17]",
"MIRP[18]",
"MIRP[19]",
"MIRP[20]",
"MIRP[21]",
"MIRP[22]",
"MIRP[23]",
"MIRP[24]",
"MIRP[25]",
"MIRP[26]",
"MIRP[27]",
"MIRP[28]",
"MIRP[29]",
"MIRP[30]",
"MIRP[31]"
};
#endif /* FT_DEBUG_LEVEL_TRACE */
static
const FT_Char opcode_length[256] =
{
@ -4571,7 +4852,7 @@
}
def->opc = (FT_Byte)args[0];
def->start = CUR.IP+1;
def->start = CUR.IP + 1;
def->range = CUR.curRange;
def->active = TRUE;
@ -6773,7 +7054,7 @@
call = CUR.callStack + CUR.callTop++;
call->Caller_Range = CUR.curRange;
call->Caller_IP = CUR.IP+1;
call->Caller_IP = CUR.IP + 1;
call->Cur_Count = 1;
call->Cur_Restart = def->start;
@ -7142,6 +7423,10 @@
{
CUR.opcode = CUR.code[CUR.IP];
FT_TRACE7(( " " ));
FT_TRACE7(( opcode_name[CUR.opcode] ));
FT_TRACE7(( "\n" ));
if ( ( CUR.length = opcode_length[CUR.opcode] ) < 0 )
{
if ( CUR.IP + 1 > CUR.codeSize )