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ps: now made responsive to 32 or 64-bit address widths

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While a Debian bug report referenced below was limited
to the 'eip' and 'esp' fields, this patch also extends
address width adaptations to some other addresses too.

[ and, we do so in a far less invasive manner than a ]
[ redhat approach shown below adding two new fields! ]

Reference(s):
. new debian bug report
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=846361
. old redhat solution
https://bugzilla.redhat.com/show_bug.cgi?id=244152

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner 2016-12-02 01:02:03 -06:00 committed by Craig Small
parent dc8e89119a
commit da9f31ef3e
2 changed files with 10 additions and 9 deletions
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NEWS
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@ -6,6 +6,7 @@ procps-ng-NEXT
* pmap: fix duplicate output line under '-x' option Redhat #1374061
* top: eliminated minor libnuma memory leak
* library: don't strip off wchan prefixes (ps & top) Redhat #1322111
* ps: avoid eip/esp address truncations Debain #846361
procps-ng-3.3.12
----------------

18
ps/output.c
View File

@ -843,15 +843,15 @@ tsiz text size (in Kbytes)
***/
static int pr_stackp(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%08x", (unsigned)(pp->start_stack));
return snprintf(outbuf, COLWID, "%0*lx", (int)(2*sizeof(long)), pp->start_stack);
}
static int pr_esp(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%08x", (unsigned)(pp->kstk_esp));
return snprintf(outbuf, COLWID, "%0*lx", (int)(2*sizeof(long)), pp->kstk_esp);
}
static int pr_eip(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%08x", (unsigned)(pp->kstk_eip));
return snprintf(outbuf, COLWID, "%0*lx", (int)(2*sizeof(long)), pp->kstk_eip);
}
/* This function helps print old-style time formats */
@ -1475,11 +1475,11 @@ static const format_struct format_array[] = {
{"dsiz", "DSIZ", pr_dsiz, sr_nop, 4, 0, LNX, PO|RIGHT},
{"egid", "EGID", pr_egid, sr_egid, 5, 0, LNX, ET|RIGHT},
{"egroup", "EGROUP", pr_egroup, sr_egroup, 8, GRP, LNX, ET|USER},
{"eip", "EIP", pr_eip, sr_kstk_eip, 8, 0, LNX, TO|RIGHT},
{"eip", "EIP", pr_eip, sr_kstk_eip, (int)(2*sizeof(long)), 0, LNX, TO|RIGHT},
{"emul", "EMUL", pr_nop, sr_nop, 13, 0, BSD, PO|LEFT}, /* "FreeBSD ELF32" and such */
{"end_code", "E_CODE", pr_nop, sr_end_code, 8, 0, LNx, PO|RIGHT},
{"end_code", "E_CODE", pr_nop, sr_end_code, (int)(2*sizeof(long)), 0, LNx, PO|RIGHT},
{"environ","ENVIRONMENT",pr_nop, sr_nop, 11, ENV, LNx, PO|UNLIMITED},
{"esp", "ESP", pr_esp, sr_kstk_esp, 8, 0, LNX, TO|RIGHT},
{"esp", "ESP", pr_esp, sr_kstk_esp, (int)(2*sizeof(long)), 0, LNX, TO|RIGHT},
{"etime", "ELAPSED", pr_etime, sr_etime, 11, 0, U98, ET|RIGHT}, /* was 7 wide */
{"etimes", "ELAPSED", pr_etimes, sr_etime, 7, 0, BSD, ET|RIGHT}, /* FreeBSD */
{"euid", "EUID", pr_euid, sr_euid, 5, 0, LNX, ET|RIGHT},
@ -1613,10 +1613,10 @@ static const format_struct format_array[] = {
{"sl", "SL", pr_nop, sr_nop, 3, 0, XXX, AN|RIGHT},
{"slice", "SLICE", pr_sd_slice, sr_nop, 31, SD, LNX, ET|LEFT},
{"spid", "SPID", pr_tasks, sr_tasks, 5, 0, SGI, TO|PIDMAX|RIGHT},
{"stackp", "STACKP", pr_stackp, sr_start_stack, 8, 0, LNX, PO|RIGHT}, /*start_stack*/
{"stackp", "STACKP", pr_stackp, sr_start_stack, (int)(2*sizeof(long)), 0, LNX, PO|RIGHT}, /*start_stack*/
{"start", "STARTED", pr_start, sr_nop, 8, 0, XXX, ET|RIGHT},
{"start_code", "S_CODE", pr_nop, sr_start_code, 8, 0, LNx, PO|RIGHT},
{"start_stack", "STACKP", pr_stackp, sr_start_stack, 8, 0, LNX, PO|RIGHT}, /*stackp*/
{"start_code", "S_CODE", pr_nop, sr_start_code, (int)(2*sizeof(long)), 0, LNx, PO|RIGHT},
{"start_stack", "STACKP", pr_stackp, sr_start_stack, (int)(2*sizeof(long)), 0, LNX, PO|RIGHT}, /*stackp*/
{"start_time", "START", pr_stime, sr_start_time, 5, 0, LNx, ET|RIGHT},
{"stat", "STAT", pr_stat, sr_state, 4, 0, BSD, TO|LEFT}, /*state,s*/
{"state", "S", pr_s, sr_state, 1, 0, XXX, TO|LEFT}, /*stat,s*/ /* was STAT */