void PrefsUseHWDev::create_objects()
{
BC_PopupTextBox::create_objects();
- set_tooltip(_("vdpau - Nvidia, Nouveau, Amdgpu\n"
- "vaapi - Broadcom, Intel HD graphics, Radeon\n"
+ set_tooltip(_("vdpau - Nvidia, Nouveau\n"
+ "vaapi - Broadcom, Intel HD graphics, Amdgup, Radeon\n"
"cuda - Nvidia + Cuda SDK"));
hw_dev_names.append(new BC_ListBoxItem(_("none")));
#ifdef HAVE_VAAPI
+++ /dev/null
-p /x 0xff*3
-p /x 0xff*3 * 0x55
-p /x 0xff*3 * 0x57
-p /x 0xff*3 * 0x56
-p /x 0x5555*3
-p /x 0xff*3 * 0x5555
-p /x 0xff*3 * 0x5555 /257
-p /x 0xff*3 * 0x5555 /256
-p /x 0xff*3 * 0x5555 /254
-p /x 0xff*3 * 0x5555 /253
-p /x 0xff*3 * 0x5555 /254
-p /x 0xff*3 * 0x5555 /255
-p (766*0x5555)/255
-p /x (766*0x5555)/255
-p /x (0x2fd*0x5555)/255
-0xffff/0x5555
-p (double)0xffff/0x5555
-r
-y
-r
-y
-r
-q
--- /dev/null
+TARGETS = libprofile.so prof smap
+BITS=64
+#CFLAGS += -O
+CFLAGS += -g -Wall
+BIN_PATH ?= /usr/bin
+LIB_PATH ?= $(dir $(lastword $(wildcard /lib*/ld-*.so /lib*/*-linux-gnu/ld-*.so)))
+$(if $(LIB_PATH),,$(error cant find ld-.so))
+CFLAGS += -DLIB='"$(LIB_PATH)"'
+ASM_PATH ?= $(dir $(lastword $(wildcard /usr/include/asm/signal.h /usr/include/x86_64-linux-gnu/asm/signal.h)))
+
+.PHONY: all
+all: $(TARGETS)
+
+.PHONY: install
+install:
+ cp -a libprofile.so $(DESTDIR)$(LIB_PATH)/.
+ cp -a prof smap $(DESTDIR)$(BIN_PATH)/.
+
+.PHONY: uninstall
+uninstall:
+ rm -f $(DESTDIR)$(LIB_PATH)/libprofile.so
+ rm -f $(DESTDIR)$(BIN_PATH)/prof
+ rm -f $(DESTDIR)$(BIN_PATH)/smap
+
+libprofile.so: profile.c
+ $(CC) $(CFLAGS) -fPIC -shared -o $@ $<
+
+prof: prof.c sys.h
+ $(CC) $(CFLAGS) -o $@ $<
+
+smap: smap.C
+ $(CXX) $(CFLAGS) -o $@ $< \
+ -Wall -I/usr/include/libiberty -llzma -liberty
+
+tst: tst.c
+
+sys.h: $(ASM_PATH/signal.h $(ASM_PATH)/unistd.h
+ echo "char *sysreq_name[] = {" > sys.h
+ ./mksyscallent < $(ASM_PATH)/unistd_$(BITS).h >> sys.h
+ echo "};" >> sys.h
+ echo "char *signal_name[] = {" >> sys.h
+ ./mksignalent < $(ASM_PATH)/signal.h >> sys.h
+ echo "};" >> sys.h
+
+.PHONY: clean
+clean:
+ rm -f $(TARGETS) tst sys.h
--- /dev/null
+#!/usr/bin/awk -f
+
+# hack expression to generate arch/signalent.h from <asm/signal.h>
+# It reads from stdin and writes to stdout
+
+BEGIN {
+ max=0;
+}
+
+{
+ if (($1 ~ /^#define$/) && (!SIGNAL[$3]) && ($2 ~ /^SIG[A-Z]/) \
+ && ($2 !~ /^SIGRTMIN$/) && ($2 !~ /^SIGRTMAX$/) && ($2 !~ /^SIGSTKSZ$/) \
+ && ($3>=0) && ($3<=1000)) {
+ SIGNAL[$3]=$2;
+ if ($3 > max) {
+ max=$3;
+ }
+ }
+}
+
+END {
+ for(i=0; i<=max; i++) {
+ if (!SIGNAL[i]) {
+ SIGNAL[i] = "SIG_" i;
+ }
+ pad = 16 - length(SIGNAL[i]);
+ if (pad<1) {
+ pad=1;
+ }
+ printf("\t\"%s\",%*s/* %d */\n", SIGNAL[i], pad, "", i);
+ }
+}
+
--- /dev/null
+#!/usr/bin/awk -f
+
+# hack expression to generate arch/syscallent.h from <asm/unistd.h>
+# It reads from stdin and writes to stdout
+# Currently (linux-2.2.3), it works OK on i386,m68k,arm
+# It does NOT work in mips
+# It is untested in other architectures
+
+BEGIN {
+ max=0;
+ FS="[ \t\n()+]+";
+}
+
+{
+# printf("/%s/%s/%s/%s/\n", $1, $2, $3, $4);
+ if (($1 ~ /^#define$/) && ($2 ~ /^__NR_/)) {
+ if (($3>=0) && ($3<=1000)) {
+ SYSCALL[$3]=substr($2,6);
+ if ($3 > max) {
+ max=$3;
+ }
+ } else if (($3 ~ /^__NR_SYSCALL_BASE$/) && ($4>=0) && ($4<=1000)) {
+ SYSCALL[$4]=substr($2,6);
+ if ($4 > max) {
+ max=$4;
+ }
+ }
+ }
+}
+
+END {
+ for(i=0; i<=max; i++) {
+ if (!SYSCALL[i]) {
+ SYSCALL[i] = i;
+ }
+ pad = 32 - length(SYSCALL[i]);
+ if (pad<1) {
+ pad=1;
+ }
+ printf("\t\"%s\",%*s/* %d */\n", SYSCALL[i], pad, "", i);
+ }
+}
+
--- /dev/null
+/* prof.c - initialize sampling profiler
+ load user executable in ptrace mode
+ at exec catchpoint, set breakpoint at main
+ add LD_PRELOAD = libprofile
+ run ld-linux to map libraries, stop at main
+ add ptr to main as argument, start profileStart
+*/
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <signal.h>
+#include <malloc.h>
+#include <string.h>
+#include <unistd.h>
+#include <limits.h>
+#include <link.h>
+#include <errno.h>
+#include <sys/ptrace.h>
+#include <sys/user.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include "sys.h"
+
+#define unlikely(x) __builtin_expect(!!(x), 0)
+#define dprintf(s...) do { if( unlikely(debug!=0) ) fprintf(s); } while(0)
+
+#ifdef __i386__
+#define nmAddr 0
+#define nmType 9
+#define nmName 11
+#define _LX "%08lx"
+#ifndef LIB
+#define LIB "/lib/"
+#endif
+#endif
+#ifdef __x86_64__
+#define nmAddr 0
+#define nmType 17
+#define nmName 19
+#define _LX "%016lx"
+#ifndef LIB
+#define LIB "/lib64/"
+#endif
+#endif
+
+#define SYM2MAX 1024*256
+#define SYMINCR 1024
+
+#define DEBUG 0
+#define PROF_DEBUG 0
+#define PROF_OUTPUT "--"
+#define PROF_TMR_TYPE 0
+#define PROF_TMR_USEC 10000
+
+static int debug = DEBUG;
+static int prof_debug = PROF_DEBUG;
+static int prof_type = PROF_TMR_TYPE;
+static int prof_tmrval = PROF_TMR_USEC;
+static long prof_stkptr = 0;
+static char *prof_output = NULL;
+static const int max_signals = sizeof(signal_name)/sizeof(signal_name[0]);
+static const int max_sysreqs = sizeof(sysreq_name)/sizeof(sysreq_name[0]);
+
+#define LIBPROFILE_NAME "libprofile.so"
+#define LIBPROFILE_PATH LIB LIBPROFILE_NAME
+
+#ifdef __i386__
+#define LD_LINUX_SO LIB "ld-linux.so.2"
+#endif
+#ifdef __x86_64__
+#define LD_LINUX_SO LIB "ld-linux-x86-64.so.2"
+#endif
+
+char *libprofile_path = NULL;
+
+typedef struct {
+ pid_t pid;
+ unsigned long addr;
+ long orig_value;
+ int enabled;
+} breakpoint;
+
+typedef struct {
+ char *nm;
+ unsigned long adr;
+} tSym;
+
+typedef struct {
+ int n, m;
+ tSym sym[SYMINCR];
+} tSymTbl;
+
+static tSymTbl *
+newSymTbl(void)
+{
+ tSymTbl *tp;
+ if( (tp=malloc(sizeof(*tp))) != NULL ) {
+ tp->n = 0;
+ tp->m = sizeof(tp->sym)/sizeof(tp->sym[0]);
+ }
+ return tp;
+}
+
+static int
+symCmpr(const void *a, const void *b)
+{
+ const char *anm = ((tSym const*)a)->nm;
+ const char *bnm = ((tSym const*)b)->nm;
+ return strcmp(anm,bnm);
+}
+
+static int
+newSym(tSymTbl **ptp, const char *nm, unsigned long adr)
+{
+ tSym *sp;
+ tSymTbl *tp = *ptp;
+ int n = tp->n;
+ int m = tp->m;
+ if( n >= m ) {
+ tSymTbl *rp; int l;
+ m = m < SYM2MAX ? m*2 : m+SYMINCR;
+ l = sizeof(*tp)-sizeof(tp->sym)+m*sizeof(tp->sym[0]);
+ rp = (tSymTbl*) realloc(tp,l);
+ if( rp == NULL ) return -1;
+ tp = rp;
+ tp->m = m;
+ *ptp = tp;
+ }
+ sp = &tp->sym[n++];
+ tp->n = n;
+ sp->nm = strdup(nm);
+ sp->adr = adr;
+ return 0;
+}
+static void
+delSymTbl(tSymTbl **ptp)
+{
+ int i; char *nm;
+ tSymTbl *tp = *ptp;
+ tSym *sp = &tp->sym[0];
+ for( i=tp->n; --i>=0; ++sp ) {
+ if( (nm=sp->nm) != NULL )
+ free(nm);
+ }
+ free(tp);
+ *ptp = NULL;
+}
+
+static int
+isSymNm(char *cp, char *bp)
+{
+ if( !*cp || *cp=='\n' ) return 0;
+ int ch;
+ while( (ch=*cp++) != 0 ) {
+ if( ch == '\n' ) break;
+ *bp++ = ch;
+ if( ch == '#' || ch == '$' || ch == '.' ) return 0;
+ }
+ *bp = 0;
+ return 1;
+}
+
+static int
+mapObj(char *fn,tSymTbl **ptp,const char *typs)
+{
+ char nmLine[512], nmCmd[512], *lp, *rp;
+ unsigned long adr;
+ FILE *fp;
+ if( access(fn,R_OK) < 0 ) return -1;
+ strcpy(&nmCmd[0],"smap 2> /dev/null < ");
+ strcat(&nmCmd[0],fn);
+ if( (fp=popen(&nmCmd[0],"r")) == NULL ) return -1;
+ while((lp=fgets(&nmLine[0],sizeof nmLine,fp)) != NULL ) {
+ int t = nmLine[nmType];
+ if( t != 'T' && t != 't' && (!typs || !strchr(typs,t)) ) continue;
+ if( isSymNm(&nmLine[nmName],&nmCmd[0]) == 0 ) continue;
+ adr = strtoul(&nmLine[nmAddr],&rp,16);
+ if( (rp-&nmLine[nmAddr]) != nmType-1 ) continue;
+ if( newSym(ptp,&nmCmd[0],adr) != 0 ) break;
+ }
+ pclose(fp);
+ return lp != NULL ? -1 : 0;
+}
+
+
+static tSymTbl *
+mapFile(char *fn,const char *typs)
+{
+ tSymTbl *tp = newSymTbl();
+ if( tp && mapObj(fn,&tp,typs) != 0 )
+ delSymTbl(&tp);
+ if( tp )
+ qsort(&tp->sym,tp->n,sizeof(tp->sym[0]),symCmpr);
+ return tp;
+}
+
+static tSym *
+symLkup(tSymTbl *tp,const char *nm)
+{
+ int l, m, n, r;
+ tSym *mp = NULL;
+ tSym *sp = &tp->sym[0];
+ l = n = -1; r = tp->n;
+ while( (r-l) > 1 ) {
+ m = (r+l) >> 1;
+ mp = &sp[m];
+ n = strcmp(mp->nm,nm);
+ if( n == 0 ) break;
+ if( n < 0 ) l = m;
+ else r = m;
+ }
+ return n == 0 ? mp : NULL;
+}
+
+static void
+findSym(tSymTbl *tp,char *nm,tSym **psp)
+{
+ tSym *sp = symLkup(tp,nm);
+ if( sp == NULL ) {
+ fprintf(stderr,"cant find symbol '%s'\n",nm);
+ exit(1);
+ }
+ *psp = sp;
+}
+
+int
+execute_program(char *fn,char **argv)
+{
+ pid_t pid = fork();
+ if( pid < 0 ) {
+ perror("fork");
+ return -1;
+ }
+ if( pid != 0 )
+ return pid;
+ if (ptrace(PTRACE_TRACEME, 0, 1, 0)<0) {
+ perror("PTRACE_TRACEME");
+ exit(1);
+ }
+ setenv("LD_PRELOAD",libprofile_path,1);
+ //setenv("LD_DEBUG","files",1);
+ execvp(fn,argv);
+ fprintf(stderr, "Can't execute `%s': %s\n", fn, strerror(errno));
+ exit(1);
+}
+
+#ifdef __i386__
+static long
+peek_text(pid_t pid,long addr)
+{
+ return ptrace(PTRACE_PEEKTEXT,pid,addr,0);
+}
+
+static void
+poke_text(pid_t pid,long addr,long value)
+{
+ ptrace(PTRACE_POKETEXT,pid,addr,value);
+}
+
+static long
+get_eip(pid_t pid)
+{
+ struct user_regs_struct regs;
+ ptrace(PTRACE_GETREGS,pid,0,®s);
+ return regs.eip;
+}
+
+static void
+set_eip(pid_t pid,long addr)
+{
+ struct user_regs_struct regs;
+ ptrace(PTRACE_GETREGS,pid,0,®s);
+ regs.eip = addr;
+ ptrace(PTRACE_SETREGS,pid,0,®s);
+}
+
+static long
+get_sysreq(pid_t pid)
+{
+ struct user_regs_struct regs;
+ ptrace(PTRACE_GETREGS,pid,0,®s);
+ return regs.orig_eax;
+}
+
+static long
+get_sysret(pid_t pid)
+{
+ struct user_regs_struct regs;
+ ptrace(PTRACE_GETREGS,pid,0,®s);
+ return regs.eax;
+}
+
+static long
+get_esp(pid_t pid)
+{
+ struct user_regs_struct regs;
+ ptrace(PTRACE_GETREGS,pid,0,®s);
+ return regs.esp;
+}
+
+static long
+peek_stk(pid_t pid,long addr)
+{
+ return ptrace(PTRACE_PEEKDATA,pid,addr,0);
+}
+
+static void
+poke_stk(pid_t pid,long addr,long value)
+{
+ ptrace(PTRACE_POKEDATA,pid,addr,value);
+}
+
+#endif
+
+#ifdef __x86_64__
+static long
+peek_text(pid_t pid,long addr)
+{
+ long ret = ptrace(PTRACE_PEEKTEXT,pid,addr,0);
+ return ret;
+}
+
+static void
+poke_text(pid_t pid,long addr,long value)
+{
+ ptrace(PTRACE_POKETEXT,pid,addr,value);
+}
+
+static long
+get_eip(pid_t pid)
+{
+ struct user_regs_struct regs;
+ ptrace(PTRACE_GETREGS,pid,0,®s);
+ return regs.rip;
+}
+
+static void
+set_eip(pid_t pid,long addr)
+{
+ struct user_regs_struct regs;
+ ptrace(PTRACE_GETREGS,pid,0,®s);
+ regs.rip = addr;
+ ptrace(PTRACE_SETREGS,pid,0,®s);
+}
+
+static long
+get_sysreq(pid_t pid)
+{
+ struct user_regs_struct regs;
+ ptrace(PTRACE_GETREGS,pid,0,®s);
+ return regs.orig_rax;
+}
+
+static long
+get_sysret(pid_t pid)
+{
+ struct user_regs_struct regs;
+ ptrace(PTRACE_GETREGS,pid,0,®s);
+ return regs.rax;
+}
+
+static long
+get_esp(pid_t pid)
+{
+ struct user_regs_struct regs;
+ ptrace(PTRACE_GETREGS,pid,0,®s);
+ return regs.rsp;
+}
+
+static long
+peek_stk(pid_t pid,long addr)
+{
+ errno = 0;
+ long ret = ptrace(PTRACE_PEEKDATA,pid,addr,0);
+ if( ret == -1 && errno )
+ dprintf(stderr,"peek_stk failed @ "_LX" = %d:%s",
+ addr, errno, strerror(errno));
+ return ret;
+}
+
+static void
+poke_stk(pid_t pid,long addr,long value)
+{
+ ptrace(PTRACE_POKEDATA,pid,addr,value);
+}
+#endif
+
+static int
+pstrcmp(pid_t pid,long addr,char *cp)
+{
+ int n, v; long w, adr;
+ adr = addr & ~(sizeof(w)-1);
+ n = addr & (sizeof(w)-1);
+ w = peek_stk(pid,adr);
+ adr += sizeof(long);
+ w >>= n*8;
+ n = sizeof(w) - n;
+ for(;;) {
+ if( (v=(w&0xff)-*cp) != 0 ) break;
+ if( *cp == 0 ) break;
+ if( --n <= 0 ) {
+ w = peek_stk(pid,adr);
+ adr += sizeof(w);
+ n = sizeof(w);
+ }
+ else
+ w >>= 8;
+ ++cp;
+ }
+ return v;
+}
+
+static char *
+pstrcpy(pid_t pid,long addr,char *cp)
+{
+ long w, by;
+ unsigned char *bp = (unsigned char *)cp;
+ long adr = addr & ~(sizeof(w)-1);
+ int n = 8*(addr & (sizeof(w)-1));
+ w = peek_stk(pid,adr);
+ do {
+ by = *bp++;
+ w &= ~(0xffUL << n);
+ w |= by << n;
+ if( (n+=8) >= sizeof(w)*8 ) {
+ poke_stk(pid,adr,w);
+ adr += sizeof(w);
+ w = peek_stk(pid,adr);
+ n = 0;
+ }
+ } while( by );
+ if( n )
+ poke_stk(pid,adr,w);
+ return cp;
+}
+
+/* instruction = int 3 */
+#define BREAKPOINT_VALUE 0xcc
+#define BREAKPOINT_LENGTH 1
+#define DECR_PC_AFTER_BREAK 1
+
+void
+enable_breakpoint(breakpoint *bp)
+{
+ if( bp->enabled == 0 ) {
+ int shft; long word, mask;
+ pid_t pid = bp->pid;
+ unsigned long addr = bp->addr & ~(sizeof(long)-1);
+ word = peek_text(pid,addr);
+ bp->orig_value = word;
+ shft = 8 * (bp->addr&(sizeof(long)-1));
+ mask = 0xffUL << shft;
+ word = (word & ~mask) | ((unsigned long)BREAKPOINT_VALUE << shft);
+ poke_text(pid,addr,word);
+ bp->enabled = 1;
+ dprintf(stderr,"set bp "_LX"\n",bp->addr);
+ }
+}
+
+void
+disable_breakpoint(breakpoint *bp)
+{
+ if( bp->enabled != 0 ) {
+ int shft; long word, mask;
+ pid_t pid = bp->pid;
+ unsigned long addr = bp->addr & ~(sizeof(long)-1);
+ word = peek_text(pid,addr);
+ shft = 8 * (bp->addr&(sizeof(long)-1));
+ mask = 0xffUL << shft;
+ word = (word & ~mask) | (bp->orig_value & mask);
+ poke_text(pid,addr,word);
+ bp->enabled = 0;
+ }
+}
+
+breakpoint *newBrkpt(pid_t pid,unsigned long addr)
+{
+ breakpoint *bp;
+ bp = (breakpoint *)malloc(sizeof(*bp));
+ memset(bp,0,sizeof(*bp));
+ bp->pid = pid;
+ bp->addr = addr;
+ return bp;
+}
+
+static long
+get_map_fwa(pid_t pid,char *pfx1, char *pfx2)
+{
+ FILE *fp; int n, len1, len2;
+ long fwa, lwa1, pgoff;
+ unsigned long inode;
+ int major, minor;
+ char f1, f2, f3, f4, path[512], bfr[512];
+ sprintf(&bfr[0],"/proc/%d/maps",(int)pid);
+ if( (fp=fopen(&bfr[0],"r")) == NULL ) {
+ perror(&bfr[0]); exit(1);
+ }
+ len1 = pfx1 ? strlen(pfx1) : 0;
+ len2 = pfx2 ? strlen(pfx2) : 0;
+ for(;;) {
+ if( fgets(&bfr[0],sizeof(bfr),fp) == NULL ) {
+ fprintf(stderr,"cant find process %d '%s' maps\n",(int)pid,pfx1);
+ exit(1);
+ }
+ n = sscanf(&bfr[0],"%lx-%lx %c%c%c%c %lx %x:%x %lu %s",
+ &fwa,&lwa1,&f1,&f2,&f3,&f4,&pgoff,&major,&minor,&inode,&path[0]);
+ if( n != 11 ) continue;
+ // if( f3 != 'x' ) continue;
+ if( !pfx1 && !pfx2 ) break;
+ if( pfx1 && strncmp(pfx1,&path[0],len1) == 0 ) break;
+ if( pfx2 && strncmp(pfx2,&path[0],len2) == 0 ) break;
+ }
+ fclose(fp);
+ return fwa;
+}
+#ifdef __i386__
+#define CHILD(v) (peek_stk(pid,(long)(v)))
+#define ACHILD(v) CHILD(v)
+#endif
+#ifdef __x86_64__
+#define CHILD(v) (peek_stk(pid,(long)(v)&0x7fffffffffffL))
+#define ACHILD(v) (CHILD(v)&0x7fffffffffffL)
+#endif
+#define VCHILD(v) ((void*)CHILD(v))
+
+static void
+set_parm(pid_t pid,tSymTbl *tprof,long ofs,char *nm,long val)
+{
+ tSym *var;
+ dprintf(stderr,"set %s = %#lx\n",nm,val);
+ findSym(tprof,nm,&var);
+ var->adr += ofs;
+ poke_stk(pid,var->adr,val);
+}
+
+static void
+usage(char *av0)
+{
+ fprintf(stderr,"usage: %s [-o path] [-d] [-e] [-p libpath] [-012] [-u #] cmd args...\n",av0);
+ fprintf(stderr," -o profile output pathname, -=stdout, --=stderr\n");
+ fprintf(stderr," -d debug output enabled\n");
+ fprintf(stderr," -e child debug output enabled\n");
+ fprintf(stderr," -p specify path for libprofile.so\n");
+ fprintf(stderr," -0 usr+sys cpu timer intervals (sigprof)\n");
+ fprintf(stderr," -1 usr only cpu timer intervals (sigvtalrm)\n");
+ fprintf(stderr," -2 real time timer intervals (sigalrm)\n");
+ fprintf(stderr," -u profile timer interval in usecs\n");
+}
+
+long run_to_breakpoint(pid_t ppid, int init_syscall)
+{
+ int in_syscall = init_syscall;
+ if( in_syscall < 0 )
+ ptrace(PTRACE_SYSCALL,ppid,0,0);
+ for(;;) {
+ int status;
+ pid_t pid = wait(&status); /* wait for ptrace status */
+ if( ppid != pid ) continue;
+ if( WIFSTOPPED(status) ) {
+ int stopsig = WSTOPSIG(status);
+ if( stopsig == SIGTRAP ) {
+ long eip = get_eip(pid);
+ int sysnum = get_sysreq(pid);
+ if( in_syscall < 0 ) { /* starting syscall */
+ if( sysnum < 0 ) { /* hit breakpoint */
+ dprintf(stderr,"hit bp at 0x"_LX"\n",eip);
+ return eip;
+ }
+ dprintf(stderr,"syscall %3d "_LX" - %s",sysnum,eip,
+ sysnum >= max_sysreqs ? "unknown" : sysreq_name[sysnum]);
+ in_syscall = sysnum;
+ }
+ else { /* finishing syscall */
+ long ret = get_sysret(pid);
+ if( in_syscall != sysnum )
+ dprintf(stderr,"(%d!)",sysnum);
+ dprintf(stderr," = %#lx\n",ret);
+ if( init_syscall >= 0 )
+ return eip;
+ in_syscall = -1;
+ }
+ }
+ /* resume execution */
+ ptrace(PTRACE_SYSCALL,pid,0,0);
+ }
+ else { /* unexepected status returned */
+ if( WIFEXITED(status) ) {
+ int exit_code = WEXITSTATUS(status);
+ fprintf(stderr,"exit %d\n",exit_code);
+ }
+ else if( WIFSIGNALED(status) ) {
+ int signum = WTERMSIG(status);
+ fprintf(stderr,"killed %d - %s\n", signum,
+ signum < 0 || signum >= max_signals ?
+ "unknown" : signal_name[signum]);
+ }
+ else {
+ fprintf(stderr,"unknown status %d\n",status);
+ }
+ exit(1);
+ }
+ }
+}
+
+static void
+setup_profile(pid_t pid,long r_debug,long bp_main)
+{
+ tSymTbl *tprof;
+ tSym *sym;
+ struct link_map *so;
+ long absOffset = get_map_fwa(pid, LIB "ld-", "/usr" LIB "ld-");
+ struct r_debug *rdebug = (struct r_debug *)(r_debug+absOffset);
+ /* look through maps - find libprofile image, save absOffset */
+ dprintf(stderr,"rdebug "_LX"\n",(long)rdebug);
+ for( so=VCHILD(&rdebug->r_map); so!=NULL; so=VCHILD(&so->l_next) ) {
+ absOffset = CHILD(&so->l_addr);
+ if( absOffset == 0 ) continue;
+ if( pstrcmp(pid,ACHILD(&so->l_name),libprofile_path) == 0 ) break;
+ }
+ if( so == NULL ) {
+ fprintf(stderr,"%s did not preload\n",libprofile_path);
+ exit(1);
+ }
+ dprintf(stderr,"libprofile "_LX"\n",absOffset);
+ /* map libprofile with nm */
+ tprof = mapFile(libprofile_path,"bd");
+ prof_stkptr = get_esp(pid);
+ dprintf(stderr,"orig esp "_LX"\n",prof_stkptr);
+ set_parm(pid,tprof,absOffset,"prof_stkptr",prof_stkptr);
+ set_parm(pid,tprof,absOffset,"prof_debug",prof_debug);
+ set_parm(pid,tprof,absOffset,"prof_type",prof_type);
+ set_parm(pid,tprof,absOffset,"prof_tmrval",prof_tmrval);
+ findSym(tprof,"prof_output",&sym);
+ sym->adr += absOffset;
+ pstrcpy(pid,sym->adr,&prof_output[0]);
+ findSym(tprof,"profileMain",&sym);
+ sym->adr += absOffset;
+ dprintf(stderr,"set eip = %#lx\n",sym->adr);
+ /* resume execution in profileStart */
+ set_eip(pid,sym->adr);
+}
+
+int main(int ac, char **av)
+{
+ char *cp;
+ tSymTbl *tpath, *tld_linux;
+ tSym *sym_main, *sym__r_debug;
+ int pid, status, execve;
+ breakpoint *main_bp = NULL;
+ char *lib_path = NULL, *lib_argv = NULL;
+
+
+ /* decode cmdline params */
+ while( ac > 1 && *(cp=av[1]) == '-' ) {
+ switch( cp[1] ) {
+ case 'd': /* enable debug output */
+ debug = 1;
+ break;
+ case 'e': /* enable child debug output */
+ prof_debug = 1;
+ break;
+ case '0': /* use sigprof */
+ prof_type = 0;
+ break;
+ case '1': /* use sigvtalrm */
+ prof_type = 1;
+ break;
+ case '2': /* use sigalrm */
+ prof_type = 2;
+ break;
+ case 'u': /* use timer interval usec */
+ prof_tmrval = strtoul(av[2],NULL,0);
+ --ac; ++av;
+ break;
+ case 'o': /* specify output path */
+ prof_output = av[2];
+ --ac; ++av;
+ break;
+ case 'p': /* specify libprofile */
+ lib_argv = av[2];
+ --ac; ++av;
+ break;
+ default:
+ fprintf(stderr,"unknown parameter - '%s'\n",cp);
+ case 'h': /* help */
+ ac = 0;
+ break;
+ }
+ --ac; ++av;
+ }
+
+ if( ac < 2 ) {
+ usage(av[0]);
+ exit(1);
+ }
+
+ if( lib_argv != NULL ) {
+ if( access(&lib_argv[0],R_OK) == 0 )
+ lib_path = strdup(lib_argv);
+ }
+ if( lib_path == NULL ) {
+ cp = "./" LIBPROFILE_NAME;
+ if( access(cp,R_OK) == 0 )
+ lib_path = strdup(cp);
+ }
+ if( lib_path == NULL && (cp=getenv("HOME")) != NULL ) {
+ char libpath[PATH_MAX];
+ snprintf(&libpath[0],sizeof(libpath),"%s/bin/%s",
+ cp,LIBPROFILE_NAME);
+ if( access(&libpath[0],R_OK) == 0 )
+ lib_path = strdup(&libpath[0]);
+ }
+ if( lib_path == NULL ) {
+ if( access(cp=LIBPROFILE_PATH,R_OK) == 0 )
+ lib_path = strdup(cp);
+ }
+ if( lib_path == NULL ) {
+ fprintf(stderr,"cant find %s\n",LIBPROFILE_NAME);
+ exit(1);
+ }
+ libprofile_path = lib_path;
+
+ if( prof_output == NULL )
+ prof_output = PROF_OUTPUT;
+
+ /* read nm output for executable */
+ tpath = mapFile(av[1],0);
+ if( tpath == NULL ) {
+ fprintf(stderr,"cant map %s\n",av[1]);
+ exit(1);
+ }
+ /* read nm output for ld-linux */
+ tld_linux = mapFile(LD_LINUX_SO,"BD");
+ if( tld_linux == NULL ) {
+ fprintf(stderr,"cant map %s\n",LD_LINUX_SO);
+ exit(1);
+ }
+
+ /* lookup main, _r_debug */
+ findSym(tpath,"main",&sym_main);
+ findSym(tld_linux,"_r_debug",&sym__r_debug);
+ /* fork child with executable */
+ pid = execute_program(av[1],&av[1]);
+ if( pid < 0 ) {
+ perror(av[1]);
+ exit(1);
+ }
+
+ execve = sizeof(sysreq_name)/sizeof(sysreq_name[0]);
+ while( --execve >= 0 && strcmp("execve",sysreq_name[execve]) );
+ if( execve < 0 ) {
+ fprintf(stderr,"cant find execve sysreq\n");
+ exit(1);
+ }
+ main_bp = newBrkpt(pid,sym_main->adr);
+ run_to_breakpoint(pid, execve);
+ /* add offset of main module */
+ main_bp->addr += get_map_fwa(pid,0,0);
+ enable_breakpoint(main_bp);
+ run_to_breakpoint(pid, -1);
+ /* hit breakpoint at 'main', setup profiler */
+ setup_profile(pid,sym__r_debug->adr,main_bp->addr);
+ disable_breakpoint(main_bp);
+ ptrace(PTRACE_DETACH,pid,0,0); /* turn off ptrace */
+ pid = wait(&status); /* wait for child status */
+ if( WIFEXITED(status) ) {
+ status = WEXITSTATUS(status);
+ dprintf(stderr,"exit %d\n",status);
+ }
+ else if( WIFSIGNALED(status) ) {
+ int signum = WTERMSIG(status);
+ fprintf(stderr,"killed %d - %s\n", signum,
+ signum < 0 || signum >= max_signals ?
+ "unknown" : signal_name[signum]);
+ }
+ else {
+ fprintf(stderr,"unknown status %d\n",status);
+ status = 1;
+ }
+ return status;
+}
+
--- /dev/null
+#include <stdio.h>
+#include <unistd.h>
+#include <signal.h>
+#include <ucontext.h>
+#include <pthread.h>
+#include <link.h>
+
+#define smCommand "smap 2> /dev/null < "
+#ifdef __i386__
+#define nmAddr 0
+#define nmType 9
+#define nmName 11
+#define _LX "%08lx"
+#ifndef LIB
+#define LIB "/lib"
+#endif
+#endif
+#ifdef __x86_64__
+#define nmAddr 0
+#define nmType 17
+#define nmName 19
+#define _LX "%016lx"
+#ifndef LIB
+#define LIB "/lib64"
+#endif
+#endif
+
+#define unlikely(x) __builtin_expect(!!(x), 0)
+#define dprintf(s...) do { if( unlikely(prof_debug!=0) ) fprintf(s); } while(0)
+
+int profileMain(int ac,char **av,char **ev);
+void profileStart(void);
+void profileStop(void);
+void profileClear(void);
+void profileShow(void);
+void profileDone(void);
+
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <fcntl.h>
+#include <time.h>
+#include <limits.h>
+#include <sys/time.h>
+#include <sys/times.h>
+
+#define MAP2MAX 256
+#define MAPINCR 64
+#define MOD2MAX 256
+#define MODINCR 64
+#define SYM2MAX 1024*256
+#define SYMINCR 1024*16
+#if 0
+static volatile long prof_debug = 1;
+static volatile long prof_type = 0;
+static volatile long prof_tmrval = 10000;
+static volatile unsigned long prof_stkptr = INT_MAX-0x1000;
+static volatile char prof_output[256] = { "-" };
+#else
+static volatile long prof_debug; /* enable debug output */
+static volatile long prof_type; /* 0=usr+sys, 1=usr only, 2=real time */
+static volatile long prof_tmrval; /* profile timer interval in usecs */
+static volatile unsigned long prof_stkptr; /* top of stack at profileStart */
+static volatile char prof_output[256]; /* profile output file name */
+#endif
+
+static FILE *prof_fp = NULL;
+
+typedef struct {
+ char *name;
+ unsigned long offs;
+} tMap;
+
+typedef struct {
+ int n, m;
+ tMap map[MAPINCR];
+} tMapTbl;
+
+typedef struct {
+ char *name;
+ unsigned long offs;
+ int count;
+ int calls;
+} tMod;
+
+typedef struct {
+ int n, m;
+ tMod mod[MODINCR];
+} tModTbl;
+
+typedef struct {
+ char *name;
+ unsigned long adr;
+ int count;
+ int calls;
+ int tick;
+ int tcalls;
+ int mod;
+} tSym;
+
+typedef struct {
+ int n, m;
+ tSym sym[SYMINCR];
+} tSymTbl;
+
+static tSymTbl *tsym = NULL;
+static tModTbl *tmod = NULL;
+static tMapTbl *tmap = NULL;
+static int nTicks; /* profile timer tick count */
+static struct tms start_cpu; /* cpu time at profile_start */
+static struct tms stop_cpu; /* cpu time at profile_stop */
+static struct timeval start_clk; /* real time at profile_start */
+static struct timeval stop_clk; /* real time at profile_stop */
+
+int profileActive = 0; /* flag, true if profile handler active */
+static struct sigaction oldSig; /* orignal profile handler data */
+static struct sigaction oldSegv; /* orignal segv handler data */
+
+static tMapTbl *
+newMapTbl(void)
+{
+ tMapTbl *tp;
+ if( (tp=malloc(sizeof(*tp))) != NULL ) {
+ tp->n = 0;
+ tp->m = sizeof(tp->map)/sizeof(tp->map[0]);
+ }
+ return tp;
+}
+
+static tModTbl *
+newModTbl(void)
+{
+ tModTbl *tp;
+ if( (tp=malloc(sizeof(*tp))) != NULL ) {
+ tp->n = 0;
+ tp->m = sizeof(tp->mod)/sizeof(tp->mod[0]);
+ }
+ return tp;
+}
+
+static tSymTbl *
+newSymTbl(void)
+{
+ tSymTbl *tp;
+ if( (tp=malloc(sizeof(*tp))) != NULL ) {
+ tp->n = 0;
+ tp->m = sizeof(tp->sym)/sizeof(tp->sym[0]);
+ }
+ return tp;
+}
+
+static tSym *
+newSym(tSymTbl **ptp,const char *name,unsigned long adr,int mod)
+{
+ tSym *sp;
+ tSymTbl *tp = *ptp;
+ int n = tp->n;
+ int m = tp->m;
+ if( n >= m ) {
+ tSymTbl *rp; int l;
+ m = m < SYM2MAX ? m*2 : m+SYMINCR;
+ l = sizeof(*tp)-sizeof(tp->sym)+m*sizeof(tp->sym[0]);
+ rp = (tSymTbl*) realloc(tp,l);
+ if( rp == NULL ) return NULL;
+ tp = rp;
+ tp->m = m;
+ *ptp = tp;
+ }
+ sp = &tp->sym[n++];
+ tp->n = n;
+ sp->name = strdup(name);
+ sp->adr = adr;
+ sp->mod = mod;
+ sp->count = sp->calls = 0;
+ sp->tick = sp->tcalls = 0;
+ return sp;
+}
+
+static int
+newMod(tModTbl **ptp, const char *name, unsigned long offs)
+{
+ tMod *mp;
+ tModTbl *tp = *ptp;
+ int n = tp->n;
+ int m = tp->m;
+ if( n >= m ) {
+ tModTbl *rp; int l;
+ m = m < MOD2MAX ? m*2 : m+MODINCR;
+ l = sizeof(*tp)-sizeof(tp->mod)+m*sizeof(tp->mod[0]);
+ rp = (tModTbl*) realloc(tp,l);
+ if( !rp ) return -1;
+ tp = rp;
+ *ptp = tp;
+ }
+ int ret = n++;
+ mp = &tp->mod[ret];
+ tp->n = n;
+ mp->name = strdup(name);
+ mp->offs = offs;
+ mp->count = mp->calls = 0;
+ return ret;
+}
+
+int
+findMod(tModTbl *tp, const char *nm)
+{
+ int n = tp->n;
+ while( --n >= 0 && strcmp(nm,tp->mod[n].name) );
+ return n;
+}
+
+static int
+newMap(tMapTbl **ptp, const char *name, unsigned long offs)
+{
+ tMap *mp;
+ tMapTbl *tp = *ptp;
+ int n = tp->n;
+ int m = tp->m;
+ if( n >= m ) {
+ tMapTbl *rp; int l;
+ m = m < MAP2MAX ? m*2 : m+MAPINCR;
+ l = sizeof(*tp)-sizeof(tp->map)+m*sizeof(tp->map[0]);
+ rp = (tMapTbl*) realloc(tp,l);
+ if( !rp ) return -1;
+ tp = rp;
+ *ptp = tp;
+ }
+ int ret = n++;
+ mp = &tp->map[ret];
+ tp->n = n;
+ mp->name = strdup(name);
+ mp->offs = offs;
+ return ret;
+}
+
+static void
+delMapTbl(tMapTbl **ptp)
+{
+ int i; char *name;
+ tMapTbl *tp; tMap *mp;
+ if( (tp=*ptp) == NULL ) return;
+ mp = &tp->map[0];
+ for( i=tp->n; --i>=0; ++mp ) {
+ if( (name=mp->name) != NULL )
+ free(name);
+ }
+ free(tp);
+ *ptp = NULL;
+}
+
+static void
+delModTbl(tModTbl **ptp)
+{
+ int i; char *name;
+ tModTbl *tp; tMod *mp;
+ if( (tp=*ptp) == NULL ) return;
+ mp = &tp->mod[0];
+ for( i=tp->n; --i>=0; ++mp ) {
+ if( (name=mp->name) != NULL )
+ free(name);
+ }
+ free(tp);
+ *ptp = NULL;
+}
+
+static void
+delSymTbl(tSymTbl **ptp)
+{
+ int i; char *name;
+ tSymTbl *tp; tSym *sp;
+ if( (tp=*ptp) == NULL ) return;
+ sp = &tp->sym[0];
+ for( i=tp->n; --i>=0; ++sp ) {
+ if( (name=sp->name) != NULL )
+ free(name);
+ }
+ free(tp);
+ *ptp = NULL;
+}
+
+static void
+delAllTbls(void)
+{
+ delMapTbl(&tmap);
+ delModTbl(&tmod);
+ delSymTbl(&tsym);
+}
+
+static int
+mapLkup(tMapTbl *tp,const char *nm)
+{
+ tMap *mp = &tp->map[0];
+ int n = tp->n;
+ while( --n >= 0 && strcmp(nm,mp->name)!=0 )
+ ++mp;
+ return n;
+}
+
+static int
+findMap(tMapTbl *tp,char *nm)
+{
+ int ret = mapLkup(tp,nm);
+ if( ret < 0 )
+ dprintf(stderr,"cant find map '%s'\n",nm);
+ return ret;
+}
+
+static int
+findSymAdr(tSymTbl *tp,const char *nm,unsigned long *adr)
+{
+ int n = tp->n;
+ while( --n >= 0 && strcmp(nm,tp->sym[n].name) );
+ if( n < 0 ) return 1;
+ *adr = tp->sym[n].adr;
+ return 0;
+}
+
+static int
+isSymNm(char *cp, char *bp)
+{
+ int ch;
+ while( (ch=*cp++) != 0 ) {
+ if( ch == '\n' ) break;
+ *bp++ = ch;
+ if( ch == '#' || ch == '$' || ch == '.' ) return 0;
+ }
+ *bp = 0;
+ return 1;
+}
+
+static int
+hex(char *cp, unsigned long *val)
+{
+ char *bp = cp;
+ *val = strtoul(cp,&bp,16);
+ return bp - cp;
+}
+
+static int
+mapMod(char *fn,tSymTbl **ptp, int mod)
+{
+ char nmLine[512], nmCmd[512], *lp;
+ unsigned long adr, ofs; int typ;
+ FILE *fp; tMod *mp;
+ if( access(fn, R_OK) < 0 ) return -1;
+ strcpy(&nmCmd[0],smCommand);
+ strcat(&nmCmd[0],fn);
+ lp = NULL;
+ if( (fp=popen(&nmCmd[0],"r")) == NULL ) return -1;
+ mp = &tmod->mod[mod]; ofs = mp->offs;
+ while((lp=fgets(&nmLine[0],sizeof nmLine,fp)) != NULL ) {
+ typ = nmLine[nmType];
+ if( typ != 'T' && typ != 't' ) continue;
+ if( isSymNm(&nmLine[nmName],&nmCmd[0]) == 0 ) continue;
+ if( hex(&nmLine[nmAddr],&adr) != nmType-1 ) continue;
+ adr += ofs;
+ if( newSym(ptp,&nmCmd[0],adr,mod) == NULL ) break;
+ } while((lp=fgets(&nmLine[0],sizeof nmLine,fp)) != NULL );
+ pclose(fp);
+ return lp != NULL ? -1 : 0;
+}
+
+static int
+adrCmpr(const void *a, const void *b)
+{
+ unsigned long aadr = ((tSym*)a)->adr;
+ unsigned long badr = ((tSym*)b)->adr;
+ if( aadr > badr ) return 1;
+ if( aadr < badr ) return -1;
+ return 0;
+}
+
+static int
+cntCmpr(const void *a, const void *b)
+{
+ int acnt = ((tSym*)a)->count;
+ int bcnt = ((tSym*)b)->count;
+ return acnt - bcnt;
+}
+
+static int
+tclCmpr(const void *a, const void *b)
+{
+ int atcl = ((tSym*)a)->tcalls;
+ int btcl = ((tSym*)b)->tcalls;
+ return atcl - btcl;
+}
+
+static int
+modCmpr(const void *a, const void *b)
+{
+ int acnt = ((tMod*)a)->count;
+ int bcnt = ((tMod*)b)->count;
+ return acnt - bcnt;
+}
+
+static int
+profile_tally(unsigned long pc, int cnt)
+{
+ tSym *sp, *tp;
+ int l, m, r;
+ if( tsym == NULL )
+ return -1;
+ sp = tp = &tsym->sym[0];
+ l = -1; r = tsym->n;
+ /* find function containing pc */
+ while( (r-l) > 1 ) {
+ m = (r+l) >> 1;
+ sp = &tp[m];
+ if( sp->adr == pc ) break;
+ if( sp->adr < pc ) l = m;
+ else r = m;
+ }
+ if( sp->adr != pc ) {
+ if( l < 0 )
+ return -1;
+ sp = &tp[l];
+ }
+ tMod *mp = &tmod->mod[sp->mod];
+/* incr function/module calls/counts */
+ ++sp->calls;
+ ++mp->calls;
+/* only 1 call per unwinding */
+ if( sp->tick < nTicks ) {
+ sp->tick = nTicks;
+ ++sp->tcalls;
+ }
+ if( cnt != 0 ) {
+ ++sp->count;
+ ++mp->count;
+ }
+ return 0;
+}
+
+struct reg_frame {
+ unsigned long rf_fp; /* frame pointer */
+ unsigned long rf_rtn; /* return addr */
+};
+
+static int readProcMaps(unsigned long *fwa)
+{
+ int ret, n, m, fd, len;
+ unsigned long vm_start, vm_end, ino;
+ char mr, mw, mx, ms, *bp;
+ off_t pgoff;
+ unsigned int maj, min;
+ char mfn[PATH_MAX], ifn[PATH_MAX];
+ char bfr[65536];
+ pid_t pid = getpid();
+ ret = 1;
+ snprintf(&mfn[0],sizeof mfn,"/proc/%d/maps",pid);
+ fd = open(&mfn[0],O_RDONLY);
+ if( fd >= 0 ) {
+ len = read(fd,bp=&bfr[0],sizeof bfr);
+ close(fd);
+ while( len > 0 ) {
+ m = sscanf(bp, "%lx-%lx %c%c%c%c %lx %x:%x %lu%n",
+ &vm_start,&vm_end,&mr,&mw,&mx,&ms,&pgoff,&maj,&min,&ino,&n);
+ if( m == 10 && fwa ) { *fwa = vm_start; fwa = 0; }
+ if( m == 10 && mx == 'x' && pgoff == 0 ) {
+ for( bp+=n,len-=n ; len>0 && *bp!='\n' && *bp==' '; ++bp,--len );
+ for( m=0 ; len>0 && *bp!='\n' && m<PATH_MAX-1; ++bp,--len )
+ ifn[m++] = *bp;
+ ifn[m] = 0;
+ if( maj !=0 || min != 0 ) {
+ dprintf(stderr," map "_LX" %s\n",vm_start,&ifn[0]);
+ newMap(&tmap,&ifn[0],vm_start);
+ }
+ }
+ while( --len>=0 && *bp++!='\n' );
+ }
+ ret = 0;
+ }
+ return ret;
+}
+
+static int readNmMaps(unsigned long fwa)
+{
+ unsigned long adr;
+ int i, k;
+ char dfn[PATH_MAX], efn[PATH_MAX], pfn[PATH_MAX];
+ struct link_map *so;
+ struct r_debug *rdebug = &_r_debug;
+ for( so=rdebug->r_map; so!=NULL; so=so->l_next ) {
+ int n = tsym->n;
+ char *nm = &so->l_name[0];
+ if( nm[0] == 0 ) nm = "/proc/self/exe";
+ dprintf(stderr,"resolving %s\n",nm);
+ if( nm[0] == '.' && nm[1] == '/' ) {
+ getcwd(&pfn[0],sizeof(pfn));
+ strcat(&pfn[0],&nm[1]);
+ nm = &pfn[0];
+ }
+ while( (i=readlink(nm,&efn[0],sizeof(efn)-1)) >= 0 ) {
+ efn[i] = 0;
+ dprintf(stderr," link %s\n",&efn[0]);
+ if( efn[0] != '/' ) { /* get dirname */
+ for( k=-1,i=0; i<sizeof(dfn)-1 && (dfn[i++]=*nm)!=0; ++nm )
+ if( *nm == '/' ) k = i;
+ if( k >= 0 ) { /* add link name */
+ for( i=0; k<sizeof(dfn)-1 && (dfn[k++]=efn[i])!=0; ++i );
+ }
+ strncpy(&efn[0],&dfn[0],sizeof(efn));
+ }
+ nm = &efn[0];
+ dprintf(stderr," path %s\n",nm);
+ }
+ if( findMod(tmod,nm) >= 0 ) continue;
+ int map = !so->l_name[0] ? -1 : findMap(tmap, nm);
+ tMap *mp = map>=0 ? &tmap->map[map] : 0;
+ adr = mp ? mp->offs : (unsigned long) so->l_addr;
+ if( !adr ) adr = fwa;
+ dprintf(stderr," map %s adr = 0x"_LX" ofs = 0x"_LX"\n",
+ nm,adr,(unsigned long)so->l_addr);
+ int mod = newMod(&tmod,nm,adr);
+ if( mod >= 0 ) {
+ if( mapMod(nm,&tsym,mod) < 0 || tsym->n == n ) {
+ char dfn[PATH_MAX]; memset(dfn,0,sizeof(dfn));
+ strcpy(&dfn[0],"/usr/lib/debug");
+ strncat(&dfn[0],nm,sizeof(dfn)-1);
+ strncat(&dfn[0],".debug",sizeof(dfn)-1);
+ dprintf(stderr,", %s",&dfn[0]);
+ if( mapMod(&dfn[0],&tsym,mod) < 0 )
+ mod = -1;
+ }
+ }
+ dprintf(stderr,", %d symbols\n",tsym->n - n);
+ if( mod < 0 ) {
+ fprintf(stderr,"profile - Cannot map module - %s\n",nm);
+// exit(1);
+// return -1;
+ }
+ }
+
+ /* sort the symbols by address */
+ qsort(&tsym->sym[0],tsym->n,sizeof(tsym->sym[0]),adrCmpr);
+ if( prof_debug != 0 ) {
+ int i; tSym *sp;
+ sp = &tsym->sym[0];
+ for( i=tsym->n; --i>=0; ++sp ) {
+ tMod *mp = &tmod->mod[sp->mod];
+ fprintf(stdout,_LX" %-24s %s\n",sp->adr,
+ &sp->name[0],&mp->name[0]);
+ }
+ }
+ return 0;
+}
+
+/** profile_handler(sign,c)
+ * profile periodic timer signal handler.
+ * decodes pc/fp from sigcontext, and tallys pc (count)
+ * and stack trace (calls).
+ */
+#define LOW_TEXT 0x01000UL
+
+static void profile_handler(int n, siginfo_t * info, void *sc)
+{
+ ucontext_t *uc = (ucontext_t *)sc;
+ struct sigcontext *c = (struct sigcontext *)&uc->uc_mcontext;
+ struct reg_frame *fp, *last_fp;
+ unsigned long pc;
+ /* tid marks top of thread stack (currently) */
+ unsigned long tid = (unsigned long)pthread_self();
+ ++nTicks;
+ /* tally pc value */
+#ifdef __i386__
+ pc = (unsigned long)c->eip;
+#define ARCH_OK
+#endif
+#ifdef __x86_64__
+ pc = (unsigned long)c->rip;
+#define ARCH_OK
+#endif
+#ifndef ARCH_OK
+#error unknown arch
+#endif
+ if( pc < LOW_TEXT ) return;
+ if( profile_tally(pc,1) != 0 ) return;
+
+ /* access frame pointer and validate */
+#ifdef __i386__
+ fp = (struct reg_frame *)c->ebp;
+ if( (unsigned long)fp < c->esp ) return;
+#endif
+#ifdef __x86_64__
+ fp = (struct reg_frame *)c->rbp;
+ if( (unsigned long)fp < c->rsp ) return;
+#endif
+ if( (unsigned long)fp > prof_stkptr) return;
+ if( (unsigned long)fp > tid) return;
+ dprintf(stderr,"unwind "_LX"",(unsigned long)pc);
+ /* unwind the stack frames, and tally pc values */
+ while( (last_fp=fp) != 0 ) {
+ pc = fp->rf_rtn;
+ dprintf(stderr," "_LX"",(unsigned long)pc);
+ if( pc < LOW_TEXT ) break;
+ if( profile_tally(pc,0) != 0 ) break;
+ fp = (struct reg_frame *)fp->rf_fp;
+ if( ((long)fp & 3) != 0 ) break;
+ if( fp <= last_fp ) break;
+ if( (unsigned long)fp > prof_stkptr ) break;
+ if( (unsigned long)fp > tid ) break;
+ }
+ dprintf(stderr,"\n");
+
+ return;
+}
+
+void profileExit(void)
+{
+ profileStop();
+ profileShow();
+ profileDone();
+}
+
+static void profile_segv(int n, siginfo_t * info, void *sc)
+{
+ ucontext_t *uc = (ucontext_t *)sc;
+ struct sigcontext *c = (struct sigcontext *)&uc->uc_mcontext;
+ profileExit();
+ fprintf(stderr,"segv at 0x"_LX"\n",
+#if __i386__
+ c->eip
+#endif
+#if __x86_64__
+ c->rip
+#endif
+ );
+}
+
+void profileStart(void)
+{
+ char *fn;
+ int typ, sig;
+ struct itimerval it;
+ struct timezone tz;
+ struct sigaction act;
+ struct sigaction segv;
+ unsigned long fwa;
+
+ if( profileActive != 0 ) return;
+
+ if( tmod == NULL || tsym == NULL || tmap == NULL ) {
+ setbuf(stderr,NULL);
+ dprintf(stderr,"start profile\n");
+ delAllTbls();
+ unsetenv("LD_PRELOAD");
+ profileDone();
+ fn = (char *)&prof_output[0];
+ if( strcmp("-",&fn[0]) == 0 )
+ prof_fp = stdout;
+ else if( strcmp("--",&fn[0]) == 0 )
+ prof_fp = stderr;
+ else
+ prof_fp = fopen(&fn[0],"w");
+ if( prof_fp == NULL ) {
+ perror(&fn[0]);
+ fprintf(stderr,"profile: no output path\n");
+ exit(1);
+ }
+ tmap = newMapTbl(); fwa = 0;
+ if( tmap != NULL && readProcMaps(&fwa) == 0 ) {
+ tmod = newModTbl(); tsym = newSymTbl();
+ if( tmod == NULL || tsym == NULL || readNmMaps(fwa) != 0 ) {
+ fprintf(stderr,"profile: unable to read nm maps\n");
+ delModTbl(&tmod); delSymTbl(&tsym);
+ }
+ }
+ else {
+ fprintf(stderr,"profile: unable to read proc maps\n");
+ delMapTbl(&tmap);
+ }
+ }
+ if( tmap == NULL || tmod == NULL || tsym == NULL ) {
+ delAllTbls();
+ return;
+ }
+
+ switch( prof_type ) {
+ case 1: typ = ITIMER_VIRTUAL; sig = SIGVTALRM; break;
+ case 2: typ = ITIMER_REAL; sig = SIGALRM; break;
+ default: typ = ITIMER_PROF; sig = SIGPROF; break;
+ }
+
+ /* record the start time (cpu/real). */
+ times(&start_cpu);
+ gettimeofday(&start_clk,&tz);
+
+ /* enable the profile timer signal handler. */
+ profileActive = 1;
+ memset(&act,0,sizeof(act));
+ act.sa_sigaction = profile_handler;
+ act.sa_flags = SA_RESTART + SA_SIGINFO;
+ sigaction(sig, &act, &oldSig);
+ memset(&segv,0,sizeof(segv));
+ segv.sa_sigaction = profile_segv;
+ segv.sa_flags = SA_SIGINFO;
+ sigaction(SIGSEGV,&segv,&oldSegv);
+
+ /* start the periodic profile timer signal */
+ if( prof_tmrval == 0 ) prof_tmrval = 1;
+ it.it_value.tv_sec =
+ it.it_interval.tv_sec = prof_tmrval / 1000000;
+ it.it_value.tv_usec =
+ it.it_interval.tv_usec = prof_tmrval % 1000000;
+ setitimer(typ, &it, NULL);
+ dprintf(stderr,"starting profile.\n");
+}
+
+int profileMain(int ac,char **av,char **ev)
+{
+ int (*fmain)(int ac,char **av,char **ev);
+ unsigned long adr;
+ profileStart();
+ if( findSymAdr(tsym,"main",&adr) != 0 ) {
+ fprintf(stderr,"cant locate sym \"main\"\n");
+ exit(1);
+ }
+ atexit(profileExit);
+ fmain = (int (*)(int,char **,char **))adr;
+ dprintf(stderr,"starting \"main\" at: %p\n",fmain);
+ int ret = fmain(ac,av,ev);
+ dprintf(stderr,"ended \"main\" = %d\n",ret);
+ exit(ret);
+}
+
+void profileStop(void)
+{
+ struct itimerval it;
+ struct timezone tz;
+ struct sigaction act;
+
+ if( profileActive == 0 ) return;
+ dprintf(stderr,"stopping profile.\n");
+
+ /* records the stop time (cpu/real). */
+ times(&stop_cpu);
+ gettimeofday(&stop_clk,&tz);
+
+ /* disables the profile timer signal handler. */
+ it.it_interval.tv_sec = 0;
+ it.it_interval.tv_usec = 0;
+ it.it_value.tv_sec = 0;
+ it.it_value.tv_usec = 0;
+ setitimer(ITIMER_PROF, &it, NULL);
+
+ /* restore the original profile signal handler. */
+ sigaction(SIGPROF, &oldSig, &act);
+ sigaction(SIGSEGV, &oldSegv, &act);
+ profileActive = 0;
+ return;
+}
+
+
+void profileClear(void)
+{
+ int i;
+ nTicks = 0;
+ if( tsym != NULL ) {
+ tSym *sp = &tsym->sym[0];
+ for( i=tsym->n; --i>=0; ++sp ) {
+ sp->count = sp->calls = 0;
+ sp->tick = sp->tcalls = 0;
+ }
+ }
+ if( tmod != NULL ) {
+ tMod *mp = &tmod->mod[0];
+ for( i=tmod->n; --i>=0; ++mp )
+ mp->count = mp->calls = 0;
+ }
+}
+
+
+void profileShow(void)
+{
+ FILE *fp; int i;
+ double userDt, systDt;
+ double tickDt, realDt;
+ if( tsym == NULL || tmod == NULL ) return;
+ fp = prof_fp;
+ qsort(&tsym->sym[0],tsym->n,sizeof(tsym->sym[0]),cntCmpr);
+ /* outputs sorted (by count) list of functions called. */
+ fprintf(fp,"---- profile start ----\n");
+ fprintf(fp," %d ticks %d modules %d syms\n",nTicks,tmod->n,tsym->n);
+ tSym *sp = &tsym->sym[0];
+ for( i=tsym->n; --i>=0; ++sp ) {
+ if( !sp->count ) continue;
+ tMod *mp = &tmod->mod[sp->mod];
+ fprintf(fp,"%8.3fs %5.1f%% %-24s %s\n",
+ prof_tmrval*sp->count/1000000.0,
+ sp->count*100.0/nTicks,&sp->name[0],
+ &mp->name[0]);
+ }
+
+ qsort(&tsym->sym[0],tsym->n,sizeof(tsym->sym[0]),tclCmpr);
+ /* outputs sorted (by calls) list of functions called. */
+ fprintf(fp,"---- profile calls ----\n");
+ sp = &tsym->sym[0];
+ for( i=tsym->n; --i>=0; ++sp ) {
+ if( !sp->tcalls ) continue;
+ tMod *mp = &tmod->mod[sp->mod];
+ fprintf(fp,"%8.3fs %5.1f%% %-24s %5.1f %s\n",
+ prof_tmrval*sp->tcalls/1000000.0,
+ sp->tcalls*100.0/nTicks,&sp->name[0],
+ (double)sp->calls/sp->tcalls,&mp->name[0]);
+ }
+
+ realDt = ((stop_clk.tv_sec - start_clk.tv_sec) * 1000000.0 +
+ (stop_clk.tv_usec - start_clk.tv_usec) ) / 1000000.0;
+ /* output sorted (by count) list of modules called. */
+ qsort(&tmod->mod[0],tmod->n,sizeof(tmod->mod[0]),modCmpr);
+ fprintf(fp,"----\n");
+ tMod *mp = &tmod->mod[0];
+ for( i=tmod->n; --i>=0; ++mp ) {
+ if( mp->count != 0 && mp->name != NULL ) {
+ double dt = prof_tmrval*mp->count/1000000.0;
+ fprintf(fp,"%8.3fs %5.1f%%/%5.1f%% %s\n",
+ dt,mp->count*100.0/nTicks,dt*100.0/realDt,mp->name);
+ }
+ }
+
+ /* output tick time, cpu user/kernal time, real time. */
+ tickDt = prof_tmrval*nTicks / 1000000.0;
+ userDt = (stop_cpu.tms_utime - start_cpu.tms_utime) / (double)CLOCKS_PER_SEC;
+ systDt = (stop_cpu.tms_stime - start_cpu.tms_stime) / (double)CLOCKS_PER_SEC;
+
+ fprintf(fp,"%8.3ft %0.3fu+%0.3fs %0.3fr %5.1f%%\n",
+ tickDt, userDt, systDt, realDt, tickDt*100.0/realDt);
+ fprintf(fp,"---- profile end ----\n\n");
+ qsort(&tsym->sym[0],tsym->n,sizeof(tsym->sym[0]),adrCmpr);
+}
+
+void profileDone(void)
+{
+ profileStop();
+ delModTbl(&tmod);
+ delSymTbl(&tsym);
+ if( prof_fp != NULL && prof_fp != stdout && prof_fp != stderr ) {
+ fclose(prof_fp); prof_fp = NULL;
+ }
+}
+
--- /dev/null
+#include<stdio.h>
+#include<stdint.h>
+#include<stdlib.h>
+#include<string.h>
+#include<unistd.h>
+#include<fcntl.h>
+
+#include<string>
+using namespace std;
+
+#include<elf.h>
+#include<lzma.h>
+#define HAVE_DECL_BASENAME 1
+#include<demangle.h>
+
+// install binutils-dev
+// c++ -Wall -I/usr/include/libiberty -g smap.C -llzma -liberty
+
+typedef uint64_t addr_t;
+
+class smap_t;
+
+class smap_t {
+ static void demangle(const char *cp, char *bp, int n) {
+ const char *dp = cplus_demangle(cp, DMGL_PARAMS+DMGL_ANSI);
+ strncpy(bp, (dp ? dp : cp), n);
+ }
+
+ class chrbfr {
+ char *cp;
+ public:
+ unsigned char *ptr() { return (unsigned char *)cp; }
+ operator char*() { return cp; }
+ chrbfr(int n) { cp = new char[n]; }
+ ~chrbfr() { delete [] cp; }
+ };
+ Elf64_Ehdr elf;
+ FILE *sfp;
+ char *shdrs, *strtbl;
+ addr_t adr_plt;
+ int is_rela;
+ size_t plt_sz; char *plts;
+ size_t rel_sz; char *rels;
+ size_t sym_sz, sym_entsize;
+ size_t dyn_sz, dyn_entsize;
+ char *symstr, *symtbl;
+ char *dynstr, *dyntbl;
+ addr_t vofs, pofs;
+ int init();
+ void finit();
+ char *unxz(unsigned char *ibfr, size_t isz, size_t &out);
+ void splt();
+ int sect(int num);
+
+ int rdtbl(char *tbl, off_t ofs, int sz) {
+ if( fseek(sfp, ofs, SEEK_SET) ) return -1;
+ if( fread(tbl, sz, 1, sfp) != 1 ) return -1;
+ return 0;
+ }
+ int ldtbl(char *&tbl, off_t ofs, int sz) {
+ if( !rdtbl(tbl=new char[sz], ofs, sz) ) return 0;
+ delete [] tbl; tbl = 0; return -1;
+ }
+public:
+ int symbols();
+
+ smap_t(FILE *fp) {
+ sfp = fp;
+ shdrs = 0; strtbl = 0;
+ adr_plt = 0; is_rela = -1;
+ plt_sz = 0; plts = 0;
+ rel_sz = 0; rels = 0;
+ sym_sz = 0; sym_entsize = 0;
+ dyn_sz = 0; dyn_entsize = 0;
+ symstr = 0; symtbl = 0;
+ dynstr = 0; dyntbl = 0;
+ vofs = 0; pofs = 0;
+ }
+ ~smap_t() {
+ delete [] shdrs; delete [] strtbl;
+ delete [] plts; delete [] rels;
+ delete [] symstr; delete [] symtbl;
+ delete [] dynstr; delete [] dyntbl;
+ }
+};
+
+
+char *smap_t::
+unxz(unsigned char *ibfr, size_t isz, size_t &out)
+{
+ size_t in = 0, lmt = ~0, osz = 8*isz;
+ unsigned char *obfr = new unsigned char[osz];
+ out = 0;
+ for(;;) {
+ int err = lzma_stream_buffer_decode(&lmt,0,0,
+ ibfr,&in,isz, obfr,&out,osz);
+ if( !err ) return (char *)obfr;
+ if( err != LZMA_BUF_ERROR ) break;
+ size_t nsz = 2*osz;
+ unsigned char *nbfr = new unsigned char[nsz];
+ memcpy(nbfr, obfr, osz);
+ delete [] obfr; obfr = nbfr;
+ osz = nsz;
+ }
+ delete [] obfr;
+ return 0;
+}
+
+int smap_t::
+sect(int num)
+{
+ Elf64_Shdr *shdr = (Elf64_Shdr *)(shdrs + num * elf.e_shentsize);
+ switch( shdr->sh_type ) {
+ case SHT_REL:
+ case SHT_RELA: {
+ if( !strtbl ) return 0;
+ const char *tp = strtbl + shdr->sh_name;
+ is_rela = shdr->sh_type == SHT_RELA ? 1 : 0;
+ if( strcmp(tp, is_rela ? ".rela.plt" : ".rel.plt") ) return 0;
+ int n = shdr->sh_entsize;
+ int esz = is_rela ? sizeof(Elf64_Rela) : sizeof(Elf64_Rel);
+ if( n < esz ) return -1;
+ if( (rel_sz = shdr->sh_size) <= 0 ) return -1;
+ return ldtbl(rels, shdr->sh_offset, rel_sz);
+ }
+ case SHT_PROGBITS: {
+ if( !strtbl ) return 0;
+ const char *tp = strtbl + shdr->sh_name;
+ if( !strcmp(tp, ".plt") ) {
+ if( (plt_sz = shdr->sh_size) <= 0 ) return -1;
+ adr_plt = shdr->sh_addr;
+ return ldtbl(plts, shdr->sh_offset, plt_sz);
+ }
+ if( !strcmp(tp, ".gnu_debugdata") ) {
+ size_t isz = shdr->sh_size, out = 0;
+ if( !isz ) return -1;
+ chrbfr ibfr(isz);
+ if( rdtbl(ibfr, shdr->sh_offset, isz) ) return -1;
+ char *obfr = unxz(ibfr.ptr(), isz, out);
+ int ret = -1;
+ if( obfr && out > 0 ) {
+ FILE *fp = fmemopen(obfr, out, "r");
+ smap_t dmap(fp);
+ ret = dmap.symbols();
+ fclose(fp);
+ }
+ delete [] obfr;
+ return ret;
+ }
+ return 0;
+ }
+ case SHT_SYMTAB:
+ case SHT_DYNSYM: {
+ size_t &esz = shdr->sh_type == SHT_SYMTAB ? sym_entsize : dyn_entsize;
+ esz = shdr->sh_entsize;
+ if( esz < sizeof(Elf64_Sym) ) return -1;
+ int strtab = shdr->sh_link;
+ if( strtab >= elf.e_shnum ) return -1;
+ Elf64_Shdr *strhdr = (Elf64_Shdr *)(shdrs + strtab * elf.e_shentsize);
+ int ssz = strhdr->sh_size;
+ if( ssz <= 0 ) return -1;
+ char *&str = shdr->sh_type == SHT_SYMTAB ? symstr : dynstr;
+ if( ldtbl(str, strhdr->sh_offset, ssz) ) return -1;
+ size_t &syz = shdr->sh_type == SHT_SYMTAB ? sym_sz : dyn_sz;
+ char *&tbl = shdr->sh_type == SHT_SYMTAB ? symtbl : dyntbl;
+ if( ldtbl(tbl, shdr->sh_offset, syz=shdr->sh_size) ) return -1;
+ int nsy = syz / esz, nsyms = 0;
+ /**/ printf("\n[section %3d] contains [%d] symbols @ 0x%016lx\n", num, nsy, pofs);
+ for( int i=0; i<nsy; ++i ) {
+ Elf64_Sym *sym = (Elf64_Sym *)(tbl + esz*i);
+ char snm[512];
+ demangle(str + sym->st_name, snm, sizeof(snm));
+ int bind = ELF64_ST_BIND(sym->st_info);
+ switch( bind ) {
+ case STB_LOCAL: break;
+ case STB_GLOBAL: break;
+ case STB_WEAK: break;
+ default: continue;
+ }
+ int type = ELF32_ST_TYPE(sym->st_info);
+ switch( type ) {
+ case STT_FUNC: break;
+/**/ case STT_OBJECT: break; // for r_debug
+ default: continue;
+ }
+ int ndx = sym->st_shndx;
+ if( ndx == SHN_UNDEF ) continue;
+ if( ndx >= SHN_LORESERVE ) continue;
+ addr_t adr = sym->st_value - pofs;
+ /**/ int tch = (type == STT_FUNC ? "tTW": "dDW")[bind];
+ /**/ printf("%016lx %c %s\n", adr, tch, snm);
+ ++nsyms;
+ }
+ return nsyms;
+ }
+ default:
+ break;
+ }
+ return 0;
+}
+
+int smap_t::
+init()
+{
+ if( fread(&elf, sizeof(elf), 1, sfp) != 1 ||
+ memcmp(elf.e_ident, ELFMAG, SELFMAG) != 0 ) return -1;
+ // scan region map
+ int psz = elf.e_phentsize, pct = elf.e_phnum;
+ if( psz < (int) sizeof(Elf64_Phdr) || pct < 1 ) return -1;
+ if( fseek(sfp, elf.e_phoff, SEEK_SET) ) return -1;
+ chrbfr pbfr(psz);
+ Elf64_Phdr *phdr = (Elf64_Phdr *) pbfr.ptr();
+ while( --pct >= 0 ) {
+ if( fread(pbfr, psz, 1, sfp) != 1 ) break;
+ if( phdr->p_type == PT_LOAD && phdr->p_offset == 0 ) {
+ vofs = phdr->p_vaddr;
+ pofs = phdr->p_paddr;
+ break;
+ }
+ }
+ // scan sections
+ int n = elf.e_shnum, esz = elf.e_shentsize;
+ if( n <= 0 || esz < (int)sizeof(Elf64_Shdr) ) return -1;
+ if( ldtbl(shdrs, elf.e_shoff, n*esz) ) return -1;
+ // load strtab
+ int sndx = elf.e_shstrndx;
+ if( sndx >= n ) return -1;
+ Elf64_Shdr *stbl = (Elf64_Shdr *)(shdrs + sndx * elf.e_shentsize);
+ return ldtbl(strtbl, stbl->sh_offset, stbl->sh_size);
+}
+
+void smap_t::
+finit()
+{
+ delete [] strtbl; strtbl = 0;
+ delete [] shdrs; shdrs = 0;
+}
+
+void smap_t::
+splt()
+{
+ if( !plts || !rels ) return;
+ if( !dynstr || !dyntbl ) return;
+ if( is_rela < 0 ) return;
+ int rel_entsize = is_rela ? sizeof(Elf64_Rela) : sizeof(Elf64_Rel);
+ int plt_entsize = 0x10;
+ unsigned char *bp = (unsigned char *)plts;
+ for( uint64_t plt_ofs=plt_entsize ; plt_ofs<plt_sz; plt_ofs+=plt_entsize ) {
+ unsigned char *cp = bp + plt_ofs;
+ if( *cp++ != 0xff ) continue; // opcode jmp rel ind
+ if( *cp++ != 0x25 ) continue;
+ addr_t ofs = 0;
+ for( int k=0; k<32; k+=8 ) { addr_t by=*cp++; ofs |= by<<k; }
+ ofs += (cp - bp) + adr_plt;
+ uint64_t info = 0; addr_t addr = 0; int64_t addend = 0;
+ unsigned char *dp = (unsigned char *)rels; int found = 0;
+ for( unsigned rel_ofs=0; !found && rel_ofs<rel_sz; rel_ofs+=rel_entsize ) {
+ Elf64_Rel *rp = (Elf64_Rel *)(dp + rel_ofs);
+ Elf64_Rela *rap = (Elf64_Rela *)rp;
+ addr = is_rela ? rap->r_offset : rp->r_offset;
+ info = is_rela ? rap->r_info : rp->r_info;
+ addend = is_rela ? rap->r_addend : 0;
+ if( addr == ofs ) found = 1;
+ }
+ if( !found ) continue;
+ int sndx = ELF64_R_SYM(info);
+ uint64_t dyn_ofs = sndx * dyn_entsize;
+ if( dyn_ofs >= dyn_sz ) continue;
+ Elf64_Sym *sym = (Elf64_Sym *)(dyntbl + dyn_ofs);
+ const char *snm = dynstr + sym->st_name;
+ string pnm(snm); pnm += "@plt";
+ if( addend ) {
+ char adn[64]; int op = addend>=0 ? '+' : '-';
+ snprintf(adn,sizeof(adn),"%c%ld",op,addend>=0 ? addend : -addend);
+ pnm += adn;
+ }
+ addr_t adr = adr_plt + plt_ofs - pofs;
+ /**/ printf("%016lx %c %s\n", adr, 't', pnm.c_str());
+ }
+}
+
+int smap_t::
+symbols()
+{
+ if( init() >= 0 ) {
+ int n = elf.e_shnum;
+ for( int i=0; i<n; ++i ) sect(i);
+ splt();
+ }
+ return 0;
+}
+
+
+int main(int ac, char **av)
+{
+ smap_t smap(stdin);
+ smap.symbols();
+ return 0;
+}
+
--- /dev/null
+#include <stdio.h>
+
+void tst0()
+{
+ printf(".");
+}
+
+void tst1()
+{
+ printf("\r");
+}
+
+void tst2(int n)
+{
+ volatile int i = n;
+ while( --i >= 0 );
+ if( (n&1) != 0 ) tst1(); else tst0();
+}
+
+int main(int ac, char **av,char **ev)
+{
+ int i;
+ //profileStart();
+ setbuf(stdout,NULL);
+ printf("ok. %s\n",ev[0]);
+ for( i=30000; --i>=0; ) tst2(i);
+ printf("\n");
+ printf("done\n");
+ return 0;
+}
+
projects / goodguy / cinelerra.git / commitdiff