#endif
#include <cinttypes>
-#include <xbt/base.h>
-#include <xbt/log.h>
-#include <xbt/sysdep.h>
#include "memory_map.hpp"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_memory_map, xbt, "Logging specific to algorithms for memory_map");
-
namespace simgrid {
namespace xbt {
/**
* \todo This function contains many cases that do not allow for a
- * recovery. Currently, xbt_abort() is called but we should
+ * recovery. Currently, abort() is called but we should
* much rather die with the specific reason so that it's easier
* to find out what's going on.
*/
-XBT_PRIVATE std::vector<VmMap> get_memory_map(pid_t pid)
+std::vector<VmMap> get_memory_map(pid_t pid)
{
std::vector<VmMap> ret;
#if defined __APPLE__
/* Request authorization to read mappings */
if (task_for_pid(mach_task_self(), pid, &map) != KERN_SUCCESS) {
std::perror("task_for_pid failed");
- xbt_die("Cannot request authorization for kernel information access");
+ std::fprintf(stderr, "Cannot request authorization for kernel information access\n");
+ abort();
}
/*
}
else if (kr != KERN_SUCCESS) {
std::perror("mach_vm_region failed");
- xbt_die("Cannot request authorization for kernel information access");
+ std::fprintf(stderr, "Cannot request authorization for kernel information access\n");
+ abort();
}
VmMap memreg;
if (dladdr(reinterpret_cast<void*>(address), &dlinfo))
memreg.pathname = dlinfo.dli_fname;
- XBT_DEBUG("Region: %016" PRIx64 "-%016" PRIx64 " | %c%c%c | %s", memreg.start_addr, memreg.end_addr,
+#if 0 /* debug */
+ std::fprintf(stderr, "Region: %016" PRIx64 "-%016" PRIx64 " | %c%c%c | %s\n", memreg.start_addr, memreg.end_addr,
(memreg.prot & PROT_READ) ? 'r' : '-', (memreg.prot & PROT_WRITE) ? 'w' : '-',
(memreg.prot & PROT_EXEC) ? 'x' : '-', memreg.pathname.c_str());
+#endif
ret.push_back(std::move(memreg));
address += size;
fp.open(path);
if (not fp) {
std::perror("open failed");
- xbt_die("Cannot open %s to investigate the memory map of the process.", path.c_str());
+ std::fprintf(stderr, "Cannot open %s to investigate the memory map of the process.\n", path.c_str());
+ abort();
}
/* Read one line at the time, parse it and add it to the memory map to be returned */
}
/* Check to see if we got the expected amount of columns */
- if (i < 6)
- xbt_die("The memory map apparently only supplied less than 6 columns. Recovery impossible.");
+ if (i < 6) {
+ std::fprintf(stderr, "The memory map apparently only supplied less than 6 columns. Recovery impossible.\n");
+ abort();
+ }
/* Ok we are good enough to try to get the info we need */
/* First get the start and the end address of the map */
char* tok = strtok_r(lfields[0], "-", &saveptr);
- if (tok == nullptr)
- xbt_die("Start and end address of the map are not concatenated by a hyphen (-). Recovery impossible.");
+ if (tok == nullptr) {
+ std::fprintf(stderr,
+ "Start and end address of the map are not concatenated by a hyphen (-). Recovery impossible.\n");
+ abort();
+ }
VmMap memreg;
char *endptr;
memreg.start_addr = std::strtoull(tok, &endptr, 16);
/* Make sure that the entire string was an hex number */
if (*endptr != '\0')
- xbt_abort();
+ abort();
tok = strtok_r(nullptr, "-", &saveptr);
if (tok == nullptr)
- xbt_abort();
+ abort();
memreg.end_addr = std::strtoull(tok, &endptr, 16);
/* Make sure that the entire string was an hex number */
if (*endptr != '\0')
- xbt_abort();
+ abort();
/* Get the permissions flags */
if (std::strlen(lfields[1]) < 4)
- xbt_abort();
+ abort();
memreg.prot = 0;
for (i = 0; i < 3; i++){
} else {
memreg.flags |= MAP_SHARED;
if (lfields[1][3] != 's')
- XBT_WARN("The protection is neither 'p' (private) nor 's' (shared) but '%s'. Let's assume shared, as on b0rken "
- "win-ubuntu systems.\nFull line: %s\n",
- lfields[1], line);
+ fprintf(stderr,
+ "The protection is neither 'p' (private) nor 's' (shared) but '%s'. Let's assume shared, as on b0rken "
+ "win-ubuntu systems.\nFull line: %s\n",
+ lfields[1], line);
}
/* Get the offset value */
memreg.offset = std::strtoull(lfields[2], &endptr, 16);
/* Make sure that the entire string was an hex number */
if (*endptr != '\0')
- xbt_abort();
+ abort();
/* Get the device major:minor bytes */
tok = strtok_r(lfields[3], ":", &saveptr);
if (tok == nullptr)
- xbt_abort();
+ abort();
memreg.dev_major = (char) strtoul(tok, &endptr, 16);
/* Make sure that the entire string was an hex number */
if (*endptr != '\0')
- xbt_abort();
+ abort();
tok = strtok_r(nullptr, ":", &saveptr);
if (tok == nullptr)
- xbt_abort();
+ abort();
memreg.dev_minor = (char) std::strtoul(tok, &endptr, 16);
/* Make sure that the entire string was an hex number */
if (*endptr != '\0')
- xbt_abort();
+ abort();
/* Get the inode number and make sure that the entire string was a long int */
memreg.inode = strtoul(lfields[4], &endptr, 10);
if (*endptr != '\0')
- xbt_abort();
+ abort();
/* And finally get the pathname */
if (lfields[5])
/* Create space for a new map region in the region's array and copy the */
/* parsed stuff from the temporal memreg variable */
- XBT_DEBUG("Found region for %s", not memreg.pathname.empty() ? memreg.pathname.c_str() : "(null)");
+ // std::fprintf(stderr, "Found region for %s\n", not memreg.pathname.empty() ? memreg.pathname.c_str() : "(null)");
ret.push_back(std::move(memreg));
}
if ((prstat = procstat_open_sysctl()) == NULL) {
std::perror("procstat_open_sysctl failed");
- xbt_die("Cannot access kernel state information");
+ std::fprintf(stderr, "Cannot access kernel state information\n");
+ abort();
}
if ((proc = procstat_getprocs(prstat, KERN_PROC_PID, pid, &cnt)) == NULL) {
std::perror("procstat_open_sysctl failed");
- xbt_die("Cannot access process information");
+ std::fprintf(stderr, "Cannot access process information\n");
+ abort();
}
if ((vmentries = procstat_getvmmap(prstat, proc, &cnt)) == NULL) {
std::perror("procstat_getvmmap failed");
- xbt_die("Cannot access process memory mappings");
+ std::fprintf(stderr, "Cannot access process memory mappings\n");
+ abort();
}
for (unsigned int i = 0; i < cnt; i++) {
VmMap memreg;
procstat_freeprocs(prstat, proc);
procstat_close(prstat);
#else
- xbt_die("Could not get memory map from process %lli", (long long int) pid);
+ std::fprintf(stderr, "Could not get memory map from process %lli\n", (long long int)pid);
+ abort();
#endif
return ret;
}
