tvarious fixes - plan9port - [fork] Plan 9 from user space
(HTM) git clone git://src.adamsgaard.dk/plan9port
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---
(DIR) commit 689be541258e9e701a600d6bd2fc3e5241726867
(DIR) parent 77fd60a177e50b398f1f235bcc47cbfc92e0fa80
(HTM) Author: rsc <devnull@localhost>
Date: Mon, 28 Nov 2005 00:39:42 +0000
various fixes
Diffstat:
M src/cmd/acid/builtin.c | 31 +++++++++++++++++++++++++------
M src/cmd/acid/proc.c | 18 ++----------------
M src/cmd/acid/util.c | 2 +-
3 files changed, 28 insertions(+), 23 deletions(-)
---
(DIR) diff --git a/src/cmd/acid/builtin.c b/src/cmd/acid/builtin.c
t@@ -28,7 +28,7 @@ void match(Node*, Node*);
void status(Node*, Node*);
void xkill(Node*,Node*);
void waitstop(Node*, Node*);
-void sysstop(Node*, Node*);
+void waitsyscall(Node*, Node*);
void stop(Node*, Node*);
void start(Node*, Node*);
void filepc(Node*, Node*);
t@@ -47,6 +47,7 @@ void stringn(Node*, Node*);
void xregister(Node*, Node*);
void refconst(Node*, Node*);
void dolook(Node*, Node*);
+void step1(Node*, Node*);
typedef struct Btab Btab;
struct Btab
t@@ -87,13 +88,14 @@ struct Btab
"start", start,
"startstop", startstop,
"status", status,
+ "step1", step1,
"stop", stop,
"strace", strace,
"stringn", stringn,
- "sysstop", sysstop,
"textfile", textfile,
"var", dolook,
"waitstop", waitstop,
+ "waitsyscall", waitsyscall,
0
};
t@@ -221,6 +223,23 @@ newproc(Node *r, Node *args)
}
void
+step1(Node *r, Node *args)
+{
+ Node res;
+
+ USED(r);
+ if(args == 0)
+ error("step1(pid): no pid");
+ expr(args, &res);
+ if(res.type != TINT)
+ error("step1(pid): arg type");
+
+ msg(res.store.u.ival, "step");
+ notes(res.store.u.ival);
+ dostop(res.store.u.ival);
+}
+
+void
startstop(Node *r, Node *args)
{
Node res;
t@@ -256,16 +275,16 @@ waitstop(Node *r, Node *args)
}
void
-sysstop(Node *r, Node *args)
+waitsyscall(Node *r, Node *args)
{
Node res;
USED(r);
if(args == 0)
- error("waitstop(pid): no pid");
+ error("waitsyscall(pid): no pid");
expr(args, &res);
if(res.type != TINT)
- error("waitstop(pid): arg type");
+ error("waitsycall(pid): arg type");
Bflush(bout);
msg(res.store.u.ival, "sysstop");
t@@ -471,7 +490,7 @@ funcbound(Node *r, Node *args)
error("fnbound(addr): arg type");
n = fnbound(res.store.u.ival, bounds);
- if (n != 0) {
+ if (n >= 0) {
r->store.u.l = al(TINT);
l = r->store.u.l;
l->store.u.ival = bounds[0];
(DIR) diff --git a/src/cmd/acid/proc.c b/src/cmd/acid/proc.c
t@@ -88,6 +88,7 @@ nproc(char **argv)
fatal("new: exec %s: %r");
default:
install(pid);
+ msg(pid, "attached");
msg(pid, "waitstop");
notes(pid);
sproc(pid);
t@@ -242,21 +243,6 @@ msg(int pid, char *msg)
char *
getstatus(int pid)
{
- int fd;
- char *p;
-
- static char buf[128];
-
- sprint(buf, "/proc/%d/status", pid);
- fd = open(buf, OREAD);
- if(fd < 0)
- error("open %s: %r", buf);
- read(fd, buf, sizeof(buf));
- close(fd);
- p = buf+56+12; /* Do better! */
- while(*p == ' ')
- p--;
- p[1] = '\0';
- return buf+56; /* ditto */
+ return "unknown";
}
(DIR) diff --git a/src/cmd/acid/util.c b/src/cmd/acid/util.c
t@@ -73,7 +73,7 @@ addvarsym(Fhdr *fp)
Lsym *l;
String *file;
ulong v;
- char buf[1024];
+ char buf[65536]; /* Some of those C++ names are really big */
List *list, **tail, *tl;
if(fp == nil)