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authorKen Raeburn <raeburn@cygnus>1995-02-07 22:34:18 +0000
committerKen Raeburn <raeburn@cygnus>1995-02-07 22:34:18 +0000
commit5489fcc3d9dbb1f529dddb19b615e23d8ed59dc7 (patch)
tree1a79cfffd92f2afb67780dd7372c1759c49791aa /gprof/i386.c
parent2559e01429d193b7957c106a6a8b0598476f9845 (diff)
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Lots of changes from David Mosberger-Tang; see ChangeLog and NOTES for details:
Alpha support. Long options. New file format to support more information; backwards compatibility. Line-level profiling, on systems where bfd_find_nearest_line works. Selective display of data.
Diffstat (limited to 'gprof/i386.c')
-rw-r--r--gprof/i386.c122
1 files changed, 41 insertions, 81 deletions
diff --git a/gprof/i386.c b/gprof/i386.c
index 50e9980..219be72 100644
--- a/gprof/i386.c
+++ b/gprof/i386.c
@@ -16,107 +16,71 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
+#include "gprof.h"
+#include "cg_arcs.h"
+#include "core.h"
+#include "hist.h"
+#include "symtab.h"
-#ifndef lint
-static char sccsid[] = "@(#)tahoe.c 1.5 (Berkeley) 6/1/90";
-#endif /* not lint */
-#include "gprof.h"
-
- /*
- * a namelist entry to be the child of indirect callf
- */
-nltype indirectchild = {
- "(*)" , /* the name */
- (unsigned long) 0 , /* the pc entry point */
- (unsigned long) 0 , /* entry point aligned to histogram */
- (double) 0.0 , /* ticks in this routine */
- (double) 0.0 , /* cumulative ticks in children */
- (long) 0 , /* how many times called */
- (long) 0 , /* how many calls to self */
- (double) 1.0 , /* propagation fraction */
- (double) 0.0 , /* self propagation time */
- (double) 0.0 , /* child propagation time */
- (bool) 0 , /* print flag */
- (int) 0 , /* index in the graph list */
- (int) 0 , /* graph call chain top-sort order */
- (int) 0 , /* internal number of cycle on */
- (struct nl *) &indirectchild , /* pointer to head of cycle */
- (struct nl *) 0 , /* pointer to next member of cycle */
- (arctype *) 0 , /* list of caller arcs */
- (arctype *) 0 /* list of callee arcs */
- };
-
-#ifdef __STDC__
int
-iscall (unsigned char *ip)
-#else
-int iscall(ip)
- unsigned char *ip;
-#endif /* __STDC__ */
+DEFUN(iscall, (ip), unsigned char *ip)
{
if (*ip == 0xeb || *ip == 0x9a)
return 1;
return 0;
}
-findcall( parentp , p_lowpc , p_highpc )
- nltype *parentp;
- unsigned long p_lowpc;
- unsigned long p_highpc;
+
+void
+find_call(parent, p_lowpc, p_highpc)
+ Sym *parent;
+ bfd_vma p_lowpc;
+ bfd_vma p_highpc;
{
- unsigned char *instructp;
- long length;
- nltype *childp;
- unsigned long destpc;
+ unsigned char *instructp;
+ long length;
+ Sym *child;
+ bfd_vma destpc;
- if ( textspace == 0 ) {
+ if (core_text_space == 0) {
return;
}
- if ( p_lowpc < s_lowpc ) {
+ if (p_lowpc < s_lowpc) {
p_lowpc = s_lowpc;
}
- if ( p_highpc > s_highpc ) {
+ if (p_highpc > s_highpc) {
p_highpc = s_highpc;
}
-# ifdef DEBUG
- if ( debug & CALLDEBUG ) {
- printf( "[findcall] %s: 0x%x to 0x%x\n" ,
- parentp -> name , p_lowpc , p_highpc );
- }
-# endif DEBUG
- for ( instructp = textspace + p_lowpc ;
- instructp < textspace + p_highpc ;
- instructp += length ) {
+ DBG(CALLDEBUG, printf("[findcall] %s: 0x%lx to 0x%lx\n",
+ parent->name, p_lowpc, p_highpc));
+ for ( instructp = (unsigned char*) core_text_space + p_lowpc ;
+ instructp < (unsigned char*) core_text_space + p_highpc ;
+ instructp += length) {
length = 1;
- if ( iscall (instructp) ) {
-# ifdef DEBUG
- if ( debug & CALLDEBUG ) {
- printf( "[findcall]\t0x%x:callf" , instructp - textspace );
- }
-# endif DEBUG
+ if (iscall (instructp)) {
+ DBG(CALLDEBUG,
+ printf("[findcall]\t0x%x:callf",
+ instructp - (unsigned char*) core_text_space));
length = 4;
/*
* regular pc relative addressing
* check that this is the address of
* a function.
*/
- destpc = ( (unsigned long)instructp + 5 - (unsigned long) textspace);
- if ( destpc >= s_lowpc && destpc <= s_highpc ) {
- childp = nllookup( destpc );
-# ifdef DEBUG
- if ( debug & CALLDEBUG ) {
- printf( "[findcall]\tdestpc 0x%x" , destpc );
- printf( " childp->name %s" , childp -> name );
- printf( " childp->value 0x%x\n" ,
- childp -> value );
- }
-# endif DEBUG
- if ( childp -> value == destpc ) {
+ destpc = ((bfd_vma)instructp + 5 - (bfd_vma) core_text_space);
+ if (destpc >= s_lowpc && destpc <= s_highpc) {
+ child = sym_lookup(&symtab, destpc);
+ DBG(CALLDEBUG,
+ printf("[findcall]\tdestpc 0x%lx", destpc);
+ printf(" child->name %s", child->name);
+ printf(" child->addr 0x%lx\n", child->addr);
+ );
+ if (child->addr == destpc) {
/*
* a hit
*/
- addarc( parentp , childp , (long) 0 );
+ arc_add(parent, child, (long) 0);
length += 4; /* constant lengths */
continue;
}
@@ -131,13 +95,9 @@ findcall( parentp , p_lowpc , p_highpc )
/*
* something funny going on.
*/
-# ifdef DEBUG
- if ( debug & CALLDEBUG ) {
- printf( "[findcall]\tbut it's a botch\n" );
- }
-# endif DEBUG
- length = 1;
- continue;
+ DBG(CALLDEBUG, printf("[findcall]\tbut it's a botch\n"));
+ length = 1;
+ continue;
}
}
}