David Galiffi
d07bf508a9
The Omnitrace program is being renamed. Full name: "ROCm Systems Profiler" Package name: "rocprofiler-systems" Binary / Library names: "rocprof-sys-*" --------- Co-authored-by: Xuan Chen <xuchen@amd.com> Signed-off-by: David Galiffi <David.Galiffi@amd.com>
133 wiersze
4.1 KiB
C
133 wiersze
4.1 KiB
C
/*
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* See the dyninst/COPYRIGHT file for copyright information.
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*
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* We provide the Paradyn Tools (below described as "Paradyn")
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* on an AS IS basis, and do not warrant its validity or performance.
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* We reserve the right to update, modify, or discontinue this
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* software at any time. We shall have no obligation to supply such
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* updates or modifications or any other form of support to you.
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*
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* By your use of Paradyn, you understand and agree that we (or any
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* other person or entity with proprietary rights in Paradyn) are
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* under no obligation to provide either maintenance services,
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* update services, notices of latent defects, or correction of
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* defects for Paradyn.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/* $Id: RTheap-linux.c,v 1.9 2008/01/31 18:01:54 legendre Exp $ */
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/* RTheap-linux.c: Linux-specific heap components */
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#include "RTheap.h"
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#include <assert.h>
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#include <fcntl.h> /* open() */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h> /* str* */
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#include <sys/mman.h> /* mmap() */
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#include <sys/stat.h> /* open() */
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#include <sys/types.h>
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#include <sys/uio.h> /* read() */
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#include <unistd.h> /* sbrk(), read(), mmap */
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#if 1 // defined(MUTATEE64)
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int DYNINSTheap_align = 4; /* heaps are word-aligned */
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Address DYNINSTheap_loAddr = 0x10000; /* Bump to 64k to make SELinux happier */
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Address DYNINSTheap_hiAddr = ~(Address) 0x0;
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#elif defined(arch_power)
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int DYNINSTheap_align = 4; /* heaps are word-aligned */
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Address DYNINSTheap_loAddr =
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~(Address) 0; // should be defined by getpagesize() when used.
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Address DYNINSTheap_hiAddr = ~(Address) 0;
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#else
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int DYNINSTheap_align = 4; /* heaps are word-aligned */
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Address DYNINSTheap_loAddr = 0x50000000;
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Address DYNINSTheap_hiAddr = 0xb0000000;
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#endif
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int DYNINSTheap_mmapFlags = MAP_ANONYMOUS | MAP_PRIVATE;
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RT_Boolean
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DYNINSTheap_useMalloc(void* lo, void* hi)
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{
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/* We do not save footprint space by allocating in
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the user's heap on this platform, so we stay out of it. */
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(void) lo; /* unused parameter */
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(void) hi; /* unused parameter */
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return RT_FALSE;
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}
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int
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DYNINSTheap_mmapFdOpen(void)
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{
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int fd = open("/dev/zero", O_RDWR);
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return fd;
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}
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void
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DYNINSTheap_mmapFdClose(int fd)
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{
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close(fd);
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}
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int
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DYNINSTgetMemoryMap(unsigned* nump, dyninstmm_t** mapp)
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{
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FILE* procmaps;
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Address saddr = 0, eaddr = 0;
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int num_matches;
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procmaps = fopen("/proc/self/maps", "r");
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dyninstmm_t* maps = *mapp;
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if(procmaps == NULL) return -1;
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*nump = 0;
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while(((num_matches = fscanf(procmaps, "%lx-%lx", &saddr, &eaddr)) != EOF) &&
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(*nump < 1024))
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{
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if(num_matches == 2)
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{
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maps[*nump].pr_vaddr = saddr;
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maps[*nump].pr_size = eaddr - saddr;
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(*nump)++;
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// skip to next line
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int ch;
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while((ch = fgetc(procmaps)) != '\n' && ch != EOF)
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{
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if(ch == EOF) break;
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}
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}
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else
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{
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break;
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}
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}
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fclose(procmaps);
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return *nump < 1024;
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/*
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Here are two lines from 'cat /proc/self/maps' on Linux 2.2. Each
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describes a segment of the address space. We parse out the first
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two addresses for the start address and length of the segment. We
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throw away the rest.
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|SADDR-| |EADDR-|
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0804a000-0804c000 rw-p 00001000 08:09 12089 /bin/cat
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0804c000-0804f000 rwxp 00000000 00:00 0
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*/
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}
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