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Make proctstat -x output more readable.

Browse Source 
This also fixes the issue, spotted by mdf, with values that were
printed as decimal and had hex prefixes.

Discussed with:	kib, rwatson
MFC after:	2 weeks
This commit is contained in:
Mikolaj Golub 2011-11-27 15:53:58 +00:00
parent c7bba74954
commit d3c10c5235
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=228025
1 changed files with 39 additions and 55 deletions
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94
usr.bin/procstat/procstat_auxv.c
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@ -27,9 +27,12 @@
*/
#include <sys/param.h>
#include <sys/elf.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <vm/vm.h>
#include <err.h>
#include <errno.h>
#include <libprocstat.h>
@ -38,11 +41,15 @@
#include <stdlib.h>
#include <string.h>
#include <machine/elf.h>
#include "procstat.h"
static Elf_Auxinfo auxv[256];
static char prefix[256];
#define PRINT(name, spec, val) \
printf("%s %-16s " #spec "\n", prefix, #name, (val))
#define PRINT_UNKNOWN(type, val) \
printf("%s %16ld %#lx\n", prefix, (long)type, (u_long)(val))
void
procstat_auxv(struct kinfo_proc *kipp)
@ -51,7 +58,7 @@ procstat_auxv(struct kinfo_proc *kipp)
size_t len, i;
if (!hflag)
printf("%5s %-16s %-53s\n", "PID", "COMM", "AUXV");
printf("%5s %-16s %-16s %-16s\n", "PID", "COMM", "AUXV", "VALUE");
name[0] = CTL_KERN;
name[1] = KERN_PROC;
@ -63,124 +70,101 @@ procstat_auxv(struct kinfo_proc *kipp)
warn("sysctl: kern.proc.auxv: %d: %d", kipp->ki_pid, errno);
return;
}
if (error < 0)
if (error < 0 || len == 0)
return;
printf("%5d ", kipp->ki_pid);
printf("%-16s", kipp->ki_comm);
if (len == 0) {
printf(" -\n");
return;
}
snprintf(prefix, sizeof(prefix), "%5d %-16s", kipp->ki_pid,
kipp->ki_comm);
for (i = 0; i < len; i++) {
switch(auxv[i].a_type) {
case AT_NULL:
printf(" (%zu)\n", i + 1);
return;
case AT_IGNORE:
printf(" AT_IGNORE=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
break;
case AT_EXECFD:
printf(" AT_EXECFD=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_EXECFD, %ld, auxv[i].a_un.a_val);
break;
case AT_PHDR:
printf(" AT_PHDR=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_PHDR, %p, auxv[i].a_un.a_ptr);
break;
case AT_PHENT:
printf(" AT_PHENT=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_PHENT, %ld, auxv[i].a_un.a_val);
break;
case AT_PHNUM:
printf(" AT_PHNUM=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_PHNUM, %ld, auxv[i].a_un.a_val);
break;
case AT_PAGESZ:
printf(" AT_PAGESZ=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_PAGESZ, %ld, auxv[i].a_un.a_val);
break;
case AT_BASE:
printf(" AT_BASE=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_BASE, %p, auxv[i].a_un.a_ptr);
break;
case AT_FLAGS:
printf(" AT_FLAGS=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_FLAGS, %#lx, (u_long)auxv[i].a_un.a_val);
break;
case AT_ENTRY:
printf(" AT_ENTRY=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_ENTRY, %p, auxv[i].a_un.a_ptr);
break;
#ifdef AT_NOTELF
case AT_NOTELF:
printf(" AT_NOTELF=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_NOTELF, %ld, auxv[i].a_un.a_val);
break;
#endif
#ifdef AT_UID
case AT_UID:
printf(" AT_UID=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_UID, %ld, auxv[i].a_un.a_val);
break;
#endif
#ifdef AT_EUID
case AT_EUID:
printf(" AT_EUID=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_EUID, %ld, auxv[i].a_un.a_val);
break;
#endif
#ifdef AT_GID
case AT_GID:
printf(" AT_GID=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_GID, %ld, auxv[i].a_un.a_val);
break;
#endif
#ifdef AT_EGID
case AT_EGID:
printf(" AT_EGID=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_EGID, %ld, auxv[i].a_un.a_val);
break;
#endif
case AT_EXECPATH:
printf(" AT_EXECPATH=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_EXECPATH, %p, auxv[i].a_un.a_ptr);
break;
case AT_CANARY:
printf(" AT_CANARY=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_CANARY, %p, auxv[i].a_un.a_ptr);
break;
case AT_CANARYLEN:
printf(" AT_CANARYLEN=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_CANARYLEN, %ld, auxv[i].a_un.a_val);
break;
case AT_OSRELDATE:
printf(" AT_OSRELDATE=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_OSRELDATE, %ld, auxv[i].a_un.a_val);
break;
case AT_NCPUS:
printf(" AT_NCPUS=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_NCPUS, %ld, auxv[i].a_un.a_val);
break;
case AT_PAGESIZES:
printf(" AT_PAGESIZES=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_PAGESIZES, %p, auxv[i].a_un.a_ptr);
break;
case AT_PAGESIZESLEN:
printf(" AT_PAGESIZESLEN=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_PAGESIZESLEN, %ld, auxv[i].a_un.a_val);
break;
case AT_STACKPROT:
printf(" AT_STACKPROT=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
if ((auxv[i].a_un.a_val & VM_PROT_EXECUTE) != 0)
PRINT(AT_STACKPROT, %s, "NONEXECUTABLE");
else
PRINT(AT_STACKPROT, %s, "EXECUTABLE");
break;
case AT_COUNT:
printf(" AT_COUNT=0x%lu",
(unsigned long)auxv[i].a_un.a_val);
PRINT(AT_COUNT, %ld, auxv[i].a_un.a_val);
break;
default:
printf(" %ld=0x%lu", (long)auxv[i].a_type,
(unsigned long)auxv[i].a_un.a_val);
PRINT_UNKNOWN(auxv[i].a_type, auxv[i].a_un.a_val);
break;
}
}