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[src/trunk]: src/usr.bin/make make(1): remove pointer indirection from GNode....
details: https://anonhg.NetBSD.org/src/rev/62e3f3cde761
branches: trunk
changeset: 946467:62e3f3cde761
user: rillig <rillig%NetBSD.org@localhost>
date: Sat Nov 28 18:55:52 2020 +0000
description:
make(1): remove pointer indirection from GNode.commands
Just to save a few memory allocations. No noticeable effect on the
performance though.
diffstat:
usr.bin/make/compat.c | 10 +++++-----
usr.bin/make/cond.c | 6 +++---
usr.bin/make/job.c | 14 +++++++-------
usr.bin/make/lst.c | 19 +++++++++++--------
usr.bin/make/lst.h | 12 +++++++++++-
usr.bin/make/main.c | 6 +++---
usr.bin/make/make.c | 10 +++++-----
usr.bin/make/make.h | 4 ++--
usr.bin/make/meta.c | 10 +++++-----
usr.bin/make/parse.c | 8 ++++----
usr.bin/make/suff.c | 14 +++++++-------
usr.bin/make/targ.c | 10 +++++-----
12 files changed, 68 insertions(+), 55 deletions(-)
diffs (truncated from 481 to 300 lines):
diff -r 9a64cdfe8896 -r 62e3f3cde761 usr.bin/make/compat.c
--- a/usr.bin/make/compat.c Sat Nov 28 16:36:19 2020 +0000
+++ b/usr.bin/make/compat.c Sat Nov 28 18:55:52 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: compat.c,v 1.192 2020/11/24 19:04:42 rillig Exp $ */
+/* $NetBSD: compat.c,v 1.193 2020/11/28 18:55:52 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -96,7 +96,7 @@
#include "pathnames.h"
/* "@(#)compat.c 8.2 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: compat.c,v 1.192 2020/11/24 19:04:42 rillig Exp $");
+MAKE_RCSID("$NetBSD: compat.c,v 1.193 2020/11/28 18:55:52 rillig Exp $");
static GNode *curTarg = NULL;
static pid_t compatChild;
@@ -218,7 +218,7 @@
* for delayed commands, run in parallel mode, using the same shell
* command line more than once; see JobPrintCommand.
* TODO: write a unit-test to protect against this potential bug. */
- cmdNode = Lst_FindDatum(gn->commands, cmd);
+ cmdNode = Lst_FindDatum(&gn->commands, cmd);
(void)Var_Subst(cmd, gn, VARE_WANTRES, &cmdStart);
/* TODO: handle errors */
@@ -232,7 +232,7 @@
if (gn->type & OP_SAVE_CMDS) {
GNode *endNode = Targ_GetEndNode();
if (gn != endNode) {
- Lst_Append(endNode->commands, cmdStart);
+ Lst_Append(&endNode->commands, cmdStart);
return 0;
}
}
@@ -449,7 +449,7 @@
{
StringListNode *ln;
- for (ln = gn->commands->first; ln != NULL; ln = ln->next) {
+ for (ln = gn->commands.first; ln != NULL; ln = ln->next) {
const char *cmd = ln->datum;
if (Compat_RunCommand(cmd, gn) != 0)
break;
diff -r 9a64cdfe8896 -r 62e3f3cde761 usr.bin/make/cond.c
--- a/usr.bin/make/cond.c Sat Nov 28 16:36:19 2020 +0000
+++ b/usr.bin/make/cond.c Sat Nov 28 18:55:52 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: cond.c,v 1.217 2020/11/23 20:52:59 rillig Exp $ */
+/* $NetBSD: cond.c,v 1.218 2020/11/28 18:55:52 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -94,7 +94,7 @@
#include "dir.h"
/* "@(#)cond.c 8.2 (Berkeley) 1/2/94" */
-MAKE_RCSID("$NetBSD: cond.c,v 1.217 2020/11/23 20:52:59 rillig Exp $");
+MAKE_RCSID("$NetBSD: cond.c,v 1.218 2020/11/28 18:55:52 rillig Exp $");
/*
* The parsing of conditional expressions is based on this grammar:
@@ -335,7 +335,7 @@
FuncCommands(size_t argLen MAKE_ATTR_UNUSED, const char *arg)
{
GNode *gn = Targ_FindNode(arg);
- return gn != NULL && GNode_IsTarget(gn) && !Lst_IsEmpty(gn->commands);
+ return gn != NULL && GNode_IsTarget(gn) && !Lst_IsEmpty(&gn->commands);
}
/*
diff -r 9a64cdfe8896 -r 62e3f3cde761 usr.bin/make/job.c
--- a/usr.bin/make/job.c Sat Nov 28 16:36:19 2020 +0000
+++ b/usr.bin/make/job.c Sat Nov 28 18:55:52 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: job.c,v 1.331 2020/11/28 08:40:05 rillig Exp $ */
+/* $NetBSD: job.c,v 1.332 2020/11/28 18:55:52 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -143,7 +143,7 @@
#include "trace.h"
/* "@(#)job.c 8.2 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: job.c,v 1.331 2020/11/28 08:40:05 rillig Exp $");
+MAKE_RCSID("$NetBSD: job.c,v 1.332 2020/11/28 18:55:52 rillig Exp $");
/* A shell defines how the commands are run. All commands for a target are
* written into a single file, which is then given to the shell to execute
@@ -902,7 +902,7 @@
{
StringListNode *ln;
- for (ln = job->node->commands->first; ln != NULL; ln = ln->next) {
+ for (ln = job->node->commands.first; ln != NULL; ln = ln->next) {
const char *cmd = ln->datum;
if (strcmp(cmd, "...") == 0) {
@@ -929,7 +929,7 @@
* expand the other variables as well; see deptgt-end.mk. */
(void)Var_Subst(cmd, job->node, VARE_WANTRES, &expanded_cmd);
/* TODO: handle errors */
- Lst_Append(Targ_GetEndNode()->commands, expanded_cmd);
+ Lst_Append(&Targ_GetEndNode()->commands, expanded_cmd);
}
}
@@ -1175,7 +1175,7 @@
{
if (GNode_IsTarget(gn))
return TRUE;
- if (!Lst_IsEmpty(gn->commands))
+ if (!Lst_IsEmpty(&gn->commands))
return TRUE;
if ((gn->type & OP_LIB) && !Lst_IsEmpty(gn->children))
return TRUE;
@@ -1184,7 +1184,7 @@
* No commands. Look for .DEFAULT rule from which we might infer
* commands.
*/
- if (defaultNode != NULL && !Lst_IsEmpty(defaultNode->commands) &&
+ if (defaultNode != NULL && !Lst_IsEmpty(&defaultNode->commands) &&
!(gn->type & OP_SPECIAL)) {
/*
* The traditional Make only looks for a .DEFAULT if the node was
@@ -2451,7 +2451,7 @@
Job_Finish(void)
{
GNode *endNode = Targ_GetEndNode();
- if (!Lst_IsEmpty(endNode->commands) || !Lst_IsEmpty(endNode->children)) {
+ if (!Lst_IsEmpty(&endNode->commands) || !Lst_IsEmpty(endNode->children)) {
if (job_errors != 0) {
Error("Errors reported so .END ignored");
} else {
diff -r 9a64cdfe8896 -r 62e3f3cde761 usr.bin/make/lst.c
--- a/usr.bin/make/lst.c Sat Nov 28 16:36:19 2020 +0000
+++ b/usr.bin/make/lst.c Sat Nov 28 18:55:52 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: lst.c,v 1.94 2020/11/27 08:07:26 rillig Exp $ */
+/* $NetBSD: lst.c,v 1.95 2020/11/28 18:55:52 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1993
@@ -34,7 +34,7 @@
#include "make.h"
-MAKE_RCSID("$NetBSD: lst.c,v 1.94 2020/11/27 08:07:26 rillig Exp $");
+MAKE_RCSID("$NetBSD: lst.c,v 1.95 2020/11/28 18:55:52 rillig Exp $");
static ListNode *
LstNodeNew(ListNode *prev, ListNode *next, void *datum)
@@ -53,16 +53,12 @@
Lst_New(void)
{
List *list = bmake_malloc(sizeof *list);
-
- list->first = NULL;
- list->last = NULL;
-
+ Lst_Init(list);
return list;
}
-/* Free a list and all its nodes. The node data are not freed though. */
void
-Lst_Free(List *list)
+Lst_Done(List *list)
{
ListNode *ln, *next;
@@ -70,7 +66,14 @@
next = ln->next;
free(ln);
}
+}
+/* Free a list and all its nodes. The node data are not freed though. */
+void
+Lst_Free(List *list)
+{
+
+ Lst_Done(list);
free(list);
}
diff -r 9a64cdfe8896 -r 62e3f3cde761 usr.bin/make/lst.h
--- a/usr.bin/make/lst.h Sat Nov 28 16:36:19 2020 +0000
+++ b/usr.bin/make/lst.h Sat Nov 28 18:55:52 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: lst.h,v 1.87 2020/11/27 08:07:26 rillig Exp $ */
+/* $NetBSD: lst.h,v 1.88 2020/11/28 18:55:52 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -109,11 +109,21 @@
/* Create a new list. */
List *Lst_New(void);
+/* Free the list nodes, but not the list itself. */
+void Lst_Done(List *);
/* Free the list, leaving the node data unmodified. */
void Lst_Free(List *);
/* Free the list, freeing the node data using the given function. */
void Lst_Destroy(List *, LstFreeProc);
+/* Initialize a list, without memory allocation. */
+MAKE_INLINE void
+Lst_Init(List *list)
+{
+ list->first = NULL;
+ list->last = NULL;
+}
+
/* Get information about a list */
MAKE_INLINE Boolean
diff -r 9a64cdfe8896 -r 62e3f3cde761 usr.bin/make/main.c
--- a/usr.bin/make/main.c Sat Nov 28 16:36:19 2020 +0000
+++ b/usr.bin/make/main.c Sat Nov 28 18:55:52 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: main.c,v 1.482 2020/11/28 10:00:25 rillig Exp $ */
+/* $NetBSD: main.c,v 1.483 2020/11/28 18:55:52 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1993
@@ -109,7 +109,7 @@
#include "trace.h"
/* "@(#)main.c 8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: main.c,v 1.482 2020/11/28 10:00:25 rillig Exp $");
+MAKE_RCSID("$NetBSD: main.c,v 1.483 2020/11/28 18:55:52 rillig Exp $");
#if defined(MAKE_NATIVE) && !defined(lint)
__COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1990, 1993 "
"The Regents of the University of California. "
@@ -2093,7 +2093,7 @@
Var_Set(".ERROR_TARGET", gn->name, VAR_GLOBAL);
Var_Delete(".ERROR_CMD", VAR_GLOBAL);
- for (ln = gn->commands->first; ln != NULL; ln = ln->next) {
+ for (ln = gn->commands.first; ln != NULL; ln = ln->next) {
const char *cmd = ln->datum;
if (cmd == NULL)
diff -r 9a64cdfe8896 -r 62e3f3cde761 usr.bin/make/make.c
--- a/usr.bin/make/make.c Sat Nov 28 16:36:19 2020 +0000
+++ b/usr.bin/make/make.c Sat Nov 28 18:55:52 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: make.c,v 1.218 2020/11/27 08:07:26 rillig Exp $ */
+/* $NetBSD: make.c,v 1.219 2020/11/28 18:55:52 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1993
@@ -102,7 +102,7 @@
#include "job.h"
/* "@(#)make.c 8.1 (Berkeley) 6/6/93" */
-MAKE_RCSID("$NetBSD: make.c,v 1.218 2020/11/27 08:07:26 rillig Exp $");
+MAKE_RCSID("$NetBSD: make.c,v 1.219 2020/11/28 18:55:52 rillig Exp $");
/* Sequence # to detect recursion. */
static unsigned int checked_seqno = 1;
@@ -376,13 +376,13 @@
}
#endif
- if ((cgn->type & (OP_USE | OP_USEBEFORE)) || Lst_IsEmpty(pgn->commands)) {
+ if ((cgn->type & (OP_USE | OP_USEBEFORE)) || Lst_IsEmpty(&pgn->commands)) {
if (cgn->type & OP_USEBEFORE) {
/* .USEBEFORE */
- Lst_PrependAll(pgn->commands, cgn->commands);
+ Lst_PrependAll(&pgn->commands, &cgn->commands);
} else {
/* .USE, or target has no commands */
- Lst_AppendAll(pgn->commands, cgn->commands);
+ Lst_AppendAll(&pgn->commands, &cgn->commands);
}
}
diff -r 9a64cdfe8896 -r 62e3f3cde761 usr.bin/make/make.h
--- a/usr.bin/make/make.h Sat Nov 28 16:36:19 2020 +0000
+++ b/usr.bin/make/make.h Sat Nov 28 18:55:52 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: make.h,v 1.220 2020/11/28 09:45:01 rillig Exp $ */
+/* $NetBSD: make.h,v 1.221 2020/11/28 18:55:52 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1993
@@ -421,7 +421,7 @@
HashTable /* of Var pointer */ vars;
/* The commands to be given to a shell to create this target. */
- StringList *commands;
+ StringList commands;
/* Suffix for the node (determined by Suff_FindDeps and opaque to
* everyone but the Suff module) */
diff -r 9a64cdfe8896 -r 62e3f3cde761 usr.bin/make/meta.c
--- a/usr.bin/make/meta.c Sat Nov 28 16:36:19 2020 +0000
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