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495b3db88b
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413 Commits

Author SHA1 Message Date
Austin Clements
495b3db88b Fix declared and not used errors in ogle. 
R=rsc
APPROVED=rsc
DELTA=8  (0 added, 2 deleted, 6 changed)
OCL=34854
CL=34965
 2009-09-24 08:32:59 -07:00
Austin Clements
9f6328633d Fix declared and not set errors in old ptrace package (still 
used by ogle)

R=rsc
APPROVED=rsc
DELTA=4  (0 added, 1 deleted, 3 changed)
OCL=34852
CL=34964
 2009-09-24 08:32:10 -07:00
Austin Clements
da4a22993e Fix declared and not used errors and unused import errors in 
the interpreter and update code to use ast.BasicDecl and
multi-type switch.  There are still a lot of "switch _ :=
x.(type)" that should make use of the new type switch syntax,
but those will be a different CL.

R=rsc
APPROVED=rsc
DELTA=58  (16 added, 23 deleted, 19 changed)
OCL=34853
CL=34963
 2009-09-24 08:25:14 -07:00
Austin Clements
73bac0416b Fix declared and not used errors in old sym package (ogle 
hasn't been ported to the new sym package yet)

R=rsc
APPROVED=rsc
DELTA=9  (0 added, 1 deleted, 8 changed)
OCL=34851
CL=34962
 2009-09-24 08:19:16 -07:00
Austin Clements
ad9c6f7700 Rudimentary command shell for Ogle. Hack to prevent linker 
from inlining newprocreadylocked.  Fix type bridge's handling
of basic types.  Include interpreter's Thread in bridged
native function calls.

; load . "6.out"
Started 6.out
; BpSet("main·merge")
; ContWait()
breakpoint at 0x400800
=>   400800 main·merge /home/austin/src-go1/usr/austin/ptrace/test/sort.go:19
; bt
=>   400800 main·merge /home/austin/src-go1/usr/austin/ptrace/test/sort.go:19
     400b6a main·mergeSort+0x1be /home/austin/src-go1/usr/austin/ptrace/test/sort.go:34
     448313 goexit /home/austin/src-go1/src/pkg/runtime/proc.c:133
; main.merge.a
{1}

; load . "pid:25753"
Attached to 25753
; bt
=>   479ddf syscall·Syscall+0x24 /home/austin/src-go1/src/pkg/syscall/asm_linux_amd64.s:24
     47c011 syscall·Read+0x5d /home/austin/src-go1/src/pkg/syscall/zsyscall_linux_amd64.go:368
     4119e5 os·*File·Read+0x5f /home/austin/src-go1/src/pkg/os/file.go:122
     427bf3 bufio·*Reader·fill+0x116 /home/austin/src-go1/src/pkg/bufio/bufio.go:105
     428361 bufio·*Reader·ReadSlice+0x195 /home/austin/src-go1/src/pkg/bufio/bufio.go:244
     40204a ogle·Main+0x94 /home/austin/src-go1/usr/austin/ogle/cmd.go:226
     40080f main·main+0xf /home/austin/src-go1/usr/austin/ogle/main.go:6
     41c4b8 mainstart+0xf /home/austin/src-go1/src/pkg/runtime/amd64/asm.s:55
     41531f goexit /home/austin/src-go1/src/pkg/runtime/proc.c:133

R=rsc
APPROVED=rsc
DELTA=433  (420 added, 2 deleted, 11 changed)
OCL=34410
CL=34782
 2009-09-18 09:11:19 -07:00
Austin Clements
20583b5874 Implement remote variables 
R=rsc
APPROVED=rsc
DELTA=282  (281 added, 0 deleted, 1 changed)
OCL=34407
CL=34781
 2009-09-18 09:09:40 -07:00
Russ Cox
ae54cf73ca last round: non-package code 
R=r
DELTA=127  (38 added, 3 deleted, 86 changed)
OCL=34640
CL=34650
 2009-09-15 12:42:24 -07:00
Austin Clements
eabcb10a32 Don't crash in Sym.ReceiverName for symbols like "x.x" 
R=rsc
APPROVED=rsc
DELTA=2  (0 added, 0 deleted, 2 changed)
OCL=34404
CL=34406
 2009-09-04 16:12:50 -07:00
Russ Cox
c702bdd828 script for running test programs in interpreter. 
tweak test/literal.go to give more information.

R=austin
DELTA=45  (43 added, 0 deleted, 2 changed)
OCL=34381
CL=34398
 2009-09-04 13:04:11 -07:00
Austin Clements
c7d27f88f8 Make world.Define{Const,Var} indicate if the definition was 
successful.

R=rsc
APPROVED=rsc
DELTA=43  (31 added, 0 deleted, 12 changed)
OCL=34375
CL=34397
 2009-09-04 12:55:25 -07:00
Austin Clements
fdf5efe43c Update debugger to use Abort interface 
R=rsc
APPROVED=rsc
DELTA=314  (132 added, 2 deleted, 180 changed)
OCL=34376
CL=34396
 2009-09-04 11:58:00 -07:00
Austin Clements
05522cd51e s/Thread/Goroutine/ 
R=rsc
APPROVED=rsc
DELTA=328  (112 added, 110 deleted, 106 changed)
OCL=34356
CL=34356
 2009-09-03 17:41:25 -07:00
Russ Cox
920c6106ca top-level func 
R=austin
DELTA=21  (5 added, 10 deleted, 6 changed)
OCL=34355
CL=34355
 2009-09-03 17:22:20 -07:00
Austin Clements
851497bc65 Thread Thread into Value Get/Set/Assign so other Value 
implementations can abort.  Make genConstant get values lazily
since we need the Thread now.

R=rsc
APPROVED=rsc
DELTA=299  (8 added, 19 deleted, 272 changed)
OCL=34353
CL=34353
 2009-09-03 17:14:49 -07:00
Austin Clements
db27b5bcb1 Implement Go threads. Implement a general event system 
including breakpoints and Go thread create/exit.

R=rsc
APPROVED=rsc
DELTA=751  (729 added, 6 deleted, 16 changed)
OCL=34345
CL=34351
 2009-09-03 16:59:41 -07:00
Russ Cox
dcb1c5f5d4 convert testing to World. 
start on Decl, but not working yet

R=austin
DELTA=762  (201 added, 205 deleted, 356 changed)
OCL=34335
CL=34349
 2009-09-03 16:20:49 -07:00
Austin Clements
37aa6c9962 Fix uninstalling of breakpoints when a process exits. Process 
exit is still handled poorly.

R=rsc
APPROVED=rsc
DELTA=6  (6 added, 0 deleted, 0 changed)
OCL=34288
CL=34315
 2009-09-03 10:55:20 -07:00
Russ Cox
c9edbbd4d0 convenience wrapper 
R=austin
DELTA=142  (128 added, 4 deleted, 10 changed)
OCL=34275
CL=34284
 2009-09-02 17:15:43 -07:00
Russ Cox
dd7b583179 move abortChan into Thread. 
reuse Thread in function calls.

R=austin
DELTA=59  (8 added, 7 deleted, 44 changed)
OCL=34266
CL=34266
 2009-09-02 14:11:40 -07:00
Russ Cox
747cde8161 s/vm/Thread/ 
change eval functions from taking *Frame to *Thread

R=austin
DELTA=500  (7 added, 4 deleted, 489 changed)
OCL=34256
CL=34260
 2009-09-02 12:03:20 -07:00
Austin Clements
72a11c5752 Update asInterface now that 6g type switch is fixed. 
R=rsc
APPROVED=rsc
DELTA=31  (0 added, 4 deleted, 27 changed)
OCL=34251
CL=34259
 2009-09-02 11:59:53 -07:00
Russ Cox
e905cb2df7 add generator for expr1.go 
R=austin
DELTA=959  (404 added, 99 deleted, 456 changed)
OCL=34214
CL=34237
 2009-09-01 22:57:53 -07:00
Austin Clements
ad9fabd769 Interpreter unit tests for statements and expressions 
R=rsc
APPROVED=rsc
DELTA=1003  (1003 added, 0 deleted, 0 changed)
OCL=34223
CL=34227
 2009-09-01 17:21:44 -07:00
Austin Clements
264641711b Switch back to returning Value from the public expression 
interface, but implement it better this time.  Also, work
around a 6g bug in asInterface.

R=rsc
APPROVED=rsc
DELTA=39  (13 added, 1 deleted, 25 changed)
OCL=34211
CL=34217
 2009-09-01 16:17:50 -07:00
Austin Clements
3dfbfdabce Clean up the statement and expression public interfaces. The 
only visible change is that evaluating an expression returns a
interface{} instead of a Value.

R=rsc
APPROVED=rsc
DELTA=60  (15 added, 26 deleted, 19 changed)
OCL=34206
CL=34208
 2009-09-01 14:16:51 -07:00
Austin Clements
155fe7925b Add stack frame support. Architectures are now responsible 
for decoding closures.  There is now no notion of a current OS
thread, though that needs to come back in the form of a
current Go thread.  As a result, Process now implements Peek
and Poke and maps them to any stopped OS thread, since they
all share the address space anyways.

R=rsc
APPROVED=rsc
DELTA=322  (310 added, 3 deleted, 9 changed)
OCL=34136
CL=34201
 2009-09-01 13:01:37 -07:00
Russ Cox
8c7eb44249 move generated code into its own file. 
simplify expr by merging all simple eval functions
into a single eval interface{}.

R=austin
DELTA=1597  (730 added, 780 deleted, 87 changed)
OCL=34182
CL=34198
 2009-09-01 11:51:33 -07:00
Austin Clements
30dcb13420 Split decls.go up, taking advantage of whole-package 
compilation to put the definitions in reasonable places.  No
code changes, just movement.

R=rsc
APPROVED=rsc
DELTA=479  (232 added, 247 deleted, 0 changed)
OCL=34067
CL=34069
 2009-08-28 18:25:56 -07:00
Austin Clements
345c1bd473 Debugged processes, remote values, and remote type parser 
R=rsc
APPROVED=rsc
DELTA=917  (917 added, 0 deleted, 0 changed)
OCL=34049
CL=34066
 2009-08-28 18:04:35 -07:00
Austin Clements
0a969fa983 Debugger's remote runtime definitions. 
R=rsc
APPROVED=rsc
DELTA=237  (237 added, 0 deleted, 0 changed)
OCL=33966
CL=34065
 2009-08-28 18:04:18 -07:00
Austin Clements
c90bc34d75 Implement cap, len, and make, as well as the general framework 
for built-in functions and type conversions.  Extract out
common operations on expression nodes for converting them to
ints and implicitly dereferencing arrays.

R=rsc
APPROVED=rsc
DELTA=442  (365 added, 50 deleted, 27 changed)
OCL=34064
CL=34064
 2009-08-28 18:03:03 -07:00
Austin Clements
d11a4b0dd4 Fix named types being defined to named types. In general, the 
code assumes that the definition of a named type is not a
named type, but some code paths could violate that.

R=rsc
APPROVED=rsc
DELTA=9  (5 added, 2 deleted, 2 changed)
OCL=34046
CL=34053
 2009-08-28 14:39:12 -07:00
Austin Clements
8fdc5b6041 Give NamedTypes a public interface 
R=rsc
APPROVED=rsc
DELTA=32  (14 added, 1 deleted, 17 changed)
OCL=34043
CL=34043
 2009-08-28 12:45:30 -07:00
Austin Clements
9d517ba3fd Implement runtime errors, divide-by-zero checking, nil pointer 
checking, bounds checking, and map key checking.

R=rsc
APPROVED=rsc
DELTA=202  (108 added, 72 deleted, 22 changed)
OCL=33981
CL=34031
 2009-08-28 10:39:57 -07:00
Austin Clements
e653280cad Utilities to bridge native types and functions into 
interpreter values.  Also, print nil values properly.

R=rsc
APPROVED=rsc
DELTA=173  (173 added, 0 deleted, 0 changed)
OCL=33837
CL=33973
 2009-08-27 13:11:06 -07:00
Austin Clements
ea62b3441f Debugger architecture interface and definitions for AMD64. 
R=rsc
APPROVED=rsc
DELTA=114  (114 added, 0 deleted, 0 changed)
OCL=33957
CL=33962
 2009-08-27 11:24:13 -07:00
Austin Clements
c0dd9f526b Make the statement compiler not use the AST visitor. 
In the process, I made error handling in the statement
compiler much saner.  Instead of separately tracking various
error flags with weird relations, I just track if any error
messages have been produced.

R=rsc
APPROVED=rsc
DELTA=308  (98 added, 135 deleted, 75 changed)
OCL=33870
CL=33961
 2009-08-27 11:21:52 -07:00
Russ Cox
4b409289f6 remove Line in bufio.ReadLine(Bytes|Slice|String) 
also drop bool arg from ReadString

R=r
DELTA=45  (13 added, 1 deleted, 31 changed)
OCL=33923
CL=33960
 2009-08-27 11:20:15 -07:00
Austin Clements
36eee6d1e1 Make the expression compiler not use the AST visitor. The 
statement compiler will be fixed in a later CL.

The input and output of the expression compiler are now
clearly distinguished.  In the process, I made the individual
expression compilers operate on the compiled form of their
children instead of AST nodes.  As a result, there are now
fewer places where I hand-craft intermediate expression nodes.

The diff looks scarier than it is, mostly because exprCompiler
has been split into the input and output types, resulting in
lots of little renames.

R=rsc
APPROVED=rsc
DELTA=774  (204 added, 199 deleted, 371 changed)
OCL=33851
CL=33851
 2009-08-25 17:57:40 -07:00
Russ Cox
67815ef65b checkpoint & test (pidigits) before trying to automate. 
R=r
DELTA=616  (598 added, 11 deleted, 7 changed)
OCL=33846
CL=33848
 2009-08-25 15:37:22 -07:00
Russ Cox
75a38963ca cgocall bug fix. 
better FFI demo: compute fibonacci numbers using FFI'ed libgmp.

R=r
DELTA=281  (255 added, 19 deleted, 7 changed)
OCL=33815
CL=33820
 2009-08-24 21:16:15 -07:00
Russ Cox
fdc4b4a47f start of FFI support, and a demo. 
R=r
DELTA=494  (492 added, 0 deleted, 2 changed)
OCL=33784
CL=33810
 2009-08-24 17:30:00 -07:00
Austin Clements
9a36b8087c Make it only necessary to exit blocks, not scopes. Allow 
variables to be given initial values in some cases, to make
building global scopes more convenient.

R=rsc
APPROVED=rsc
DELTA=29  (17 added, 0 deleted, 12 changed)
OCL=33760
CL=33766
 2009-08-24 13:48:16 -07:00
Austin Clements
30a2dabdc3 Implement map types 
R=rsc
APPROVED=rsc
DELTA=329  (301 added, 2 deleted, 26 changed)
OCL=33696
CL=33706
 2009-08-21 18:37:38 -07:00
Austin Clements
fc18391209 Decode overlapping section names correctly. 
R=rsc
APPROVED=rsc
DELTA=23  (14 added, 8 deleted, 1 changed)
OCL=33699
CL=33705
 2009-08-21 18:30:20 -07:00
Austin Clements
bd65739bc2 Implement line-to-PC mapping. Add unit tests for 
PC/line/aline conversion methods.

R=rsc
APPROVED=rsc
DELTA=458  (434 added, 15 deleted, 9 changed)
OCL=33677
CL=33702
 2009-08-21 18:13:35 -07:00
Austin Clements
1068bcab96 Make stop causes pointers so users outside the package can 
type switch on them despite their private fields.  Add some
tracing stuff.

R=rsc
APPROVED=rsc
DELTA=18  (7 added, 0 deleted, 11 changed)
OCL=33678
CL=33683
 2009-08-21 15:54:54 -07:00
Austin Clements
6ece1b561c ELF reader and Go symbol table and PC/line table decoder. 
R=rsc
APPROVED=rsc
DELTA=1425  (1425 added, 0 deleted, 0 changed)
OCL=33432
CL=33517
 2009-08-19 10:05:11 -07:00
Austin Clements
fb9490c2ec Implement slice types 
R=rsc
APPROVED=rsc
DELTA=286  (217 added, 42 deleted, 27 changed)
OCL=33319
CL=33383
 2009-08-17 11:29:12 -07:00
Austin Clements
7c9b9af76e Convert interpreter to whole-package compilation. 
R=rsc
APPROVED=rsc
DELTA=334  (110 added, 211 deleted, 13 changed)
OCL=33135
CL=33137
 2009-08-12 17:24:05 -07:00