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[568]a: precise linenumbers for statements.

Browse Source 
R=rsc, ken2, r, rsc1
CC=golang-dev
https://golang.org/cl/2297042
This commit is contained in:
Luuk van Dijk 2010-10-07 11:13:06 +02:00
parent cc5c2ee0ec
commit 2ad521c19a
10 changed files with 54 additions and 34 deletions
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5
src/cmd/5a/a.h
View File

@ -1,7 +1,7 @@
// Inferno utils/5a/a.h // Inferno utils/5a/a.h
// http://code.google.com/p/inferno-os/source/browse/utils/5a/a.h // http://code.google.com/p/inferno-os/source/browse/utils/5a/a.h
// //
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. // Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) // Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited // Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com) // Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
@ -148,6 +148,7 @@ EXTERN int pass;
EXTERN char* pathname; EXTERN char* pathname;
EXTERN int32 pc; EXTERN int32 pc;
EXTERN int peekc; EXTERN int peekc;
EXTERN int32 stmtline;
EXTERN int sym; EXTERN int sym;
EXTERN char* symb; EXTERN char* symb;
EXTERN int thechar; EXTERN int thechar;
@ -157,7 +158,7 @@ EXTERN Biobuf obuf;
void* alloc(int32); void* alloc(int32);
void* allocn(void*, int32, int32); void* allocn(void*, int32, int32);
void ensuresymb(int32); void ensuresymb(int32);
void errorexit(void); void errorexit(void);
void pushio(void); void pushio(void);
void newio(void); void newio(void);

8
src/cmd/5a/a.y
View File

@ -1,7 +1,7 @@
// Inferno utils/5a/a.y // Inferno utils/5a/a.y
// http://code.google.com/p/inferno-os/source/browse/utils/5a/a.y // http://code.google.com/p/inferno-os/source/browse/utils/5a/a.y
// //
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. // Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) // Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited // Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com) // Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
@ -63,7 +63,11 @@
%type <gen> imm ximm name oreg ireg nireg ioreg imsr %type <gen> imm ximm name oreg ireg nireg ioreg imsr
%% %%
prog: prog:
| prog line | prog
{
stmtline = lineno;
}
line
line: line:
LLAB ':' LLAB ':'

10
src/cmd/5a/lex.c
View File

@ -1,7 +1,7 @@
// Inferno utils/5a/lex.c // Inferno utils/5a/lex.c
// http://code.google.com/p/inferno-os/source/browse/utils/5a/lex.c // http://code.google.com/p/inferno-os/source/browse/utils/5a/lex.c
// //
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. // Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) // Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited // Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com) // Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
@ -658,10 +658,10 @@ jackpot:
Bputc(&obuf, a); Bputc(&obuf, a);
Bputc(&obuf, scond); Bputc(&obuf, scond);
Bputc(&obuf, reg); Bputc(&obuf, reg);
Bputc(&obuf, lineno); Bputc(&obuf, stmtline);
Bputc(&obuf, lineno>>8); Bputc(&obuf, stmtline>>8);
Bputc(&obuf, lineno>>16); Bputc(&obuf, stmtline>>16);
Bputc(&obuf, lineno>>24); Bputc(&obuf, stmtline>>24);
zaddr(g1, sf); zaddr(g1, sf);
zaddr(g2, st); zaddr(g2, st);

9
src/cmd/6a/a.h
View File

@ -1,7 +1,7 @@
// Inferno utils/6a/a.h // Inferno utils/6a/a.h
// http://code.google.com/p/inferno-os/source/browse/utils/6a/a.h // http://code.google.com/p/inferno-os/source/browse/utils/6a/a.h
// //
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. // Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) // Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited // Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com) // Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
@ -50,7 +50,7 @@ typedef struct Ref Ref;
typedef struct Gen Gen; typedef struct Gen Gen;
typedef struct Io Io; typedef struct Io Io;
typedef struct Hist Hist; typedef struct Hist Hist;
typedef struct Gen2 Gen2; typedef struct Gen2 Gen2;
#define MAXALIGN 7 #define MAXALIGN 7
#define FPCHIP 1 #define FPCHIP 1
@ -161,6 +161,7 @@ EXTERN int pass;
EXTERN char* pathname; EXTERN char* pathname;
EXTERN int32 pc; EXTERN int32 pc;
EXTERN int peekc; EXTERN int peekc;
EXTERN int32 stmtline;
EXTERN int sym; EXTERN int sym;
EXTERN char* symb; EXTERN char* symb;
EXTERN int thechar; EXTERN int thechar;
@ -168,9 +169,9 @@ EXTERN char* thestring;
EXTERN int32 thunk; EXTERN int32 thunk;
EXTERN Biobuf obuf; EXTERN Biobuf obuf;
void* alloc(int32); void* alloc(int32);
void* allocn(void*, int32, int32); void* allocn(void*, int32, int32);
void ensuresymb(int32); void ensuresymb(int32);
void errorexit(void); void errorexit(void);
void pushio(void); void pushio(void);
void newio(void); void newio(void);

8
src/cmd/6a/a.y
View File

@ -1,7 +1,7 @@
// Inferno utils/6a/a.y // Inferno utils/6a/a.y
// http://code.google.com/p/inferno-os/source/browse/utils/6a/a.y // http://code.google.com/p/inferno-os/source/browse/utils/6a/a.y
// //
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. // Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) // Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited // Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com) // Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
@ -60,7 +60,11 @@
%type <gen2> spec1 spec2 spec3 spec4 spec5 spec6 spec7 spec8 spec9 %type <gen2> spec1 spec2 spec3 spec4 spec5 spec6 spec7 spec8 spec9
%% %%
prog: prog:
| prog line | prog
{
stmtline = lineno;
}
line
line: line:
LLAB ':' LLAB ':'

10
src/cmd/6a/lex.c
View File

@ -1,7 +1,7 @@
// Inferno utils/6a/lex.c // Inferno utils/6a/lex.c
// http://code.google.com/p/inferno-os/source/browse/utils/6a/lex.c // http://code.google.com/p/inferno-os/source/browse/utils/6a/lex.c
// //
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. // Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) // Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited // Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com) // Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
@ -1260,10 +1260,10 @@ jackpot:
} }
Bputc(&obuf, a); Bputc(&obuf, a);
Bputc(&obuf, a>>8); Bputc(&obuf, a>>8);
Bputc(&obuf, lineno); Bputc(&obuf, stmtline);
Bputc(&obuf, lineno>>8); Bputc(&obuf, stmtline>>8);
Bputc(&obuf, lineno>>16); Bputc(&obuf, stmtline>>16);
Bputc(&obuf, lineno>>24); Bputc(&obuf, stmtline>>24);
zaddr(&g2->from, sf); zaddr(&g2->from, sf);
zaddr(&g2->to, st); zaddr(&g2->to, st);

9
src/cmd/8a/a.h
View File

@ -1,7 +1,7 @@
// Inferno utils/8a/a.h // Inferno utils/8a/a.h
// http://code.google.com/p/inferno-os/source/browse/utils/8a/a.h // http://code.google.com/p/inferno-os/source/browse/utils/8a/a.h
// //
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. // Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) // Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited // Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com) // Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
@ -50,7 +50,7 @@ typedef struct Ref Ref;
typedef struct Gen Gen; typedef struct Gen Gen;
typedef struct Io Io; typedef struct Io Io;
typedef struct Hist Hist; typedef struct Hist Hist;
typedef struct Gen2 Gen2; typedef struct Gen2 Gen2;
#define MAXALIGN 7 #define MAXALIGN 7
#define FPCHIP 1 #define FPCHIP 1
@ -162,6 +162,7 @@ EXTERN int pass;
EXTERN char* pathname; EXTERN char* pathname;
EXTERN int32 pc; EXTERN int32 pc;
EXTERN int peekc; EXTERN int peekc;
EXTERN int32 stmtline;
EXTERN int sym; EXTERN int sym;
EXTERN char* symb; EXTERN char* symb;
EXTERN int thechar; EXTERN int thechar;
@ -169,9 +170,9 @@ EXTERN char* thestring;
EXTERN int32 thunk; EXTERN int32 thunk;
EXTERN Biobuf obuf; EXTERN Biobuf obuf;
void* alloc(int32); void* alloc(int32);
void* allocn(void*, int32, int32); void* allocn(void*, int32, int32);
void ensuresymb(int32); void ensuresymb(int32);
void errorexit(void); void errorexit(void);
void pushio(void); void pushio(void);
void newio(void); void newio(void);

8
src/cmd/8a/a.y
View File

@ -1,7 +1,7 @@
// Inferno utils/8a/a.y // Inferno utils/8a/a.y
// http://code.google.com/p/inferno-os/source/browse/utils/8a/a.y // http://code.google.com/p/inferno-os/source/browse/utils/8a/a.y
// //
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. // Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) // Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited // Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com) // Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
@ -64,7 +64,11 @@
%type <gen2> spec1 spec2 spec3 spec4 spec5 spec6 spec7 spec8 %type <gen2> spec1 spec2 spec3 spec4 spec5 spec6 spec7 spec8
%% %%
prog: prog:
| prog line | prog
{
stmtline = lineno;
}
line
line: line:
LLAB ':' LLAB ':'

10
src/cmd/8a/lex.c
View File

@ -1,7 +1,7 @@
// Inferno utils/8a/lex.c // Inferno utils/8a/lex.c
// http://code.google.com/p/inferno-os/source/browse/utils/8a/lex.c // http://code.google.com/p/inferno-os/source/browse/utils/8a/lex.c
// //
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. // Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) // Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited // Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com) // Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
@ -925,10 +925,10 @@ jackpot:
} }
Bputc(&obuf, a); Bputc(&obuf, a);
Bputc(&obuf, a>>8); Bputc(&obuf, a>>8);
Bputc(&obuf, lineno); Bputc(&obuf, stmtline);
Bputc(&obuf, lineno>>8); Bputc(&obuf, stmtline>>8);
Bputc(&obuf, lineno>>16); Bputc(&obuf, stmtline>>16);
Bputc(&obuf, lineno>>24); Bputc(&obuf, stmtline>>24);
zaddr(&g2->from, sf); zaddr(&g2->from, sf);
zaddr(&g2->to, st); zaddr(&g2->to, st);

11
src/cmd/ld/dwarf.c
View File

@ -436,7 +436,7 @@ decodez(char *s)
* The line history itself * The line history itself
*/ */
static char **histfile; // [0] holds the empty string. static char **histfile; // [0] holds "<eof>", DW_LNS_set_file arguments must be > 0.
static int histfilesize; static int histfilesize;
static int histfilecap; static int histfilecap;
@ -445,7 +445,7 @@ clearhistfile(void)
{ {
int i; int i;
// [0] holds the empty string. // [0] holds "<eof>"
for (i = 1; i < histfilesize; i++) for (i = 1; i < histfilesize; i++)
free(histfile[i]); free(histfile[i]);
histfilesize = 0; histfilesize = 0;
@ -756,12 +756,17 @@ writelines(void)
newattr(dwinfo->child, DW_AT_low_pc, DW_CLS_ADDRESS, p->pc, 0); newattr(dwinfo->child, DW_AT_low_pc, DW_CLS_ADDRESS, p->pc, 0);
for(q = p; q != P && (q == p || q->as != ATEXT); q = q->link) { for(q = p; q != P && (q == p || q->as != ATEXT); q = q->link) {
epc = q->pc; epc = q->pc;
lh = searchhist(q->line); lh = searchhist(q->line);
if (lh == nil) { if (lh == nil) {
diag("corrupt history or bad absolute line: %P", q); diag("corrupt history or bad absolute line: %P", q);
continue; continue;
} }
if (lh->file < 1) { // 0 is the past-EOF entry.
diag("instruction with linenumber past EOF in %s: %P", unitname, q);
continue;
}
lline = lh->line + q->line - lh->absline; lline = lh->line + q->line - lh->absline;
if (debug['v'] > 1) if (debug['v'] > 1)
print("%6llux %s[%lld] %P\n", q->pc, histfile[lh->file], lline, q); print("%6llux %s[%lld] %P\n", q->pc, histfile[lh->file], lline, q);