/*
* Common code for enabling events associated with the run-time linker after
* attaching to a process or after a victim process completes an exec(2).
*/
static void
dt_proc_attach(dt_proc_t *dpr, int exec)
{
const pstatus_t *psp = Pstatus(dpr->dpr_proc);
rd_err_e err;
GElf_Sym sym;
assert(DT_MUTEX_HELD(&dpr->dpr_lock));
if (exec) {
if (psp->pr_lwp.pr_errno != 0)
return; /* exec failed: nothing needs to be done */
dt_proc_bpdestroy(dpr, B_FALSE);
Preset_maps(dpr->dpr_proc);
}
if ((dpr->dpr_rtld = Prd_agent(dpr->dpr_proc)) != NULL &&
(err = rd_event_enable(dpr->dpr_rtld, B_TRUE)) == RD_OK) {
dt_proc_rdwatch(dpr, RD_PREINIT, "RD_PREINIT");
dt_proc_rdwatch(dpr, RD_POSTINIT, "RD_POSTINIT");
dt_proc_rdwatch(dpr, RD_DLACTIVITY, "RD_DLACTIVITY");
} else {
dt_dprintf("pid %d: failed to enable rtld events: %s\n",
(int)dpr->dpr_pid, dpr->dpr_rtld ? rd_errstr(err) :
"rtld_db agent initialization failed");
}
Pupdate_maps(dpr->dpr_proc);
if (Pxlookup_by_name(dpr->dpr_proc, LM_ID_BASE,
"a.out", "main", &sym, NULL) == 0) {
(void) dt_proc_bpcreate(dpr, (uintptr_t)sym.st_value,
(dt_bkpt_f *)dt_proc_bpmain, "a.out`main");
} else {
dt_dprintf("pid %d: failed to find a.out`main: %s\n",
(int)dpr->dpr_pid, strerror(errno));
}
}
int
main(int argc, char **argv)
{
int rflag = 0, sflag = 0, xflag = 0, Fflag = 0;
int errflg = 0, Sflag = 0;
int rc = 0;
int opt;
const char *bar8 = "-------";
const char *bar16 = "----------";
const char *bar;
struct rlimit rlim;
struct stat64 statbuf;
char buf[128];
int mapfd;
int prg_gflags = PGRAB_RDONLY;
int prr_flags = 0;
boolean_t use_agent_lwp = B_FALSE;
if ((command = strrchr(argv[0], '/')) != NULL)
command++;
else
command = argv[0];
while ((opt = getopt(argc, argv, "arsxSlLFA:")) != EOF) {
switch (opt) {
case 'a': /* include shared mappings in -[xS] */
aflag = 1;
break;
case 'r': /* show reserved mappings */
rflag = 1;
break;
case 's': /* show hardware page sizes */
sflag = 1;
break;
case 'S': /* show swap reservations */
Sflag = 1;
break;
case 'x': /* show extended mappings */
xflag = 1;
break;
case 'l': /* show unresolved link map names */
lflag = 1;
break;
case 'L': /* show lgroup information */
Lflag = 1;
use_agent_lwp = B_TRUE;
break;
case 'F': /* force grabbing (no O_EXCL) */
Fflag = PGRAB_FORCE;
break;
case 'A':
if (parse_addr_range(optarg, &start_addr, &end_addr)
!= 0)
errflg++;
break;
default:
errflg = 1;
break;
}
}
argc -= optind;
argv += optind;
if ((Sflag && (xflag || rflag || sflag)) || (xflag && rflag) ||
(aflag && (!xflag && !Sflag)) ||
(Lflag && (xflag || Sflag))) {
errflg = 1;
}
if (errflg || argc <= 0) {
(void) fprintf(stderr,
"usage:\t%s [-rslF] [-A start[,end]] { pid | core } ...\n",
command);
(void) fprintf(stderr,
"\t\t(report process address maps)\n");
(void) fprintf(stderr,
"\t%s -L [-rslF] [-A start[,end]] pid ...\n", command);
(void) fprintf(stderr,
"\t\t(report process address maps lgroups mappings)\n");
(void) fprintf(stderr,
"\t%s -x [-aslF] [-A start[,end]] pid ...\n", command);
(void) fprintf(stderr,
"\t\t(show resident/anon/locked mapping details)\n");
(void) fprintf(stderr,
"\t%s -S [-alF] [-A start[,end]] { pid | core } ...\n",
command);
(void) fprintf(stderr,
"\t\t(show swap reservations)\n\n");
(void) fprintf(stderr,
"\t-a: include shared mappings in -[xS] summary\n");
(void) fprintf(stderr,
"\t-r: show reserved address maps\n");
(void) fprintf(stderr,
"\t-s: show hardware page sizes\n");
(void) fprintf(stderr,
"\t-l: show unresolved dynamic linker map names\n");
(void) fprintf(stderr,
"\t-F: force grabbing of the target process\n");
(void) fprintf(stderr,
"\t-L: show lgroup mappings\n");
(void) fprintf(stderr,
"\t-A start,end: limit output to the specified range\n");
return (2);
}
/*
* Make sure we'll have enough file descriptors to handle a target
* that has many many mappings.
*/
if (getrlimit(RLIMIT_NOFILE, &rlim) == 0) {
rlim.rlim_cur = rlim.rlim_max;
(void) setrlimit(RLIMIT_NOFILE, &rlim);
(void) enable_extended_FILE_stdio(-1, -1);
}
/*
* The implementation of -L option creates an agent LWP in the target
* process address space. The agent LWP issues meminfo(2) system calls
* on behalf of the target process. If we are interrupted prematurely,
* the target process remains in the stopped state with the agent still
* attached to it. To prevent such situation we catch signals from
* terminal and terminate gracefully.
*/
if (use_agent_lwp) {
/*
* Buffer output to stdout, stderr while process is grabbed.
* Prevents infamous deadlocks due to pmap `pgrep xterm` and
* other variants.
*/
(void) proc_initstdio();
prg_gflags = PGRAB_RETAIN | Fflag;
prr_flags = PRELEASE_RETAIN;
if (sigset(SIGHUP, SIG_IGN) == SIG_DFL)
(void) sigset(SIGHUP, intr);
if (sigset(SIGINT, SIG_IGN) == SIG_DFL)
(void) sigset(SIGINT, intr);
if (sigset(SIGQUIT, SIG_IGN) == SIG_DFL)
(void) sigset(SIGQUIT, intr);
(void) sigset(SIGPIPE, intr);
(void) sigset(SIGTERM, intr);
}
while (argc-- > 0) {
char *arg;
int gcode;
psinfo_t psinfo;
int tries = 0;
if (use_agent_lwp)
(void) proc_flushstdio();
if ((Pr = proc_arg_grab(arg = *argv++, PR_ARG_ANY,
prg_gflags, &gcode)) == NULL) {
(void) fprintf(stderr, "%s: cannot examine %s: %s\n",
command, arg, Pgrab_error(gcode));
rc++;
continue;
}
procname = arg; /* for perr() */
addr_width = (Pstatus(Pr)->pr_dmodel == PR_MODEL_LP64) ? 16 : 8;
size_width = (Pstatus(Pr)->pr_dmodel == PR_MODEL_LP64) ? 11 : 8;
bar = addr_width == 8 ? bar8 : bar16;
(void) memcpy(&psinfo, Ppsinfo(Pr), sizeof (psinfo_t));
proc_unctrl_psinfo(&psinfo);
if (Pstate(Pr) != PS_DEAD) {
(void) snprintf(buf, sizeof (buf),
"/proc/%d/map", (int)psinfo.pr_pid);
if ((mapfd = open(buf, O_RDONLY)) < 0) {
(void) fprintf(stderr, "%s: cannot "
"examine %s: lost control of "
"process\n", command, arg);
rc++;
Prelease(Pr, prr_flags);
continue;
}
} else {
mapfd = -1;
}
again:
map_count = 0;
if (Pstate(Pr) == PS_DEAD) {
(void) printf("core '%s' of %d:\t%.70s\n",
arg, (int)psinfo.pr_pid, psinfo.pr_psargs);
if (rflag || sflag || xflag || Sflag || Lflag) {
(void) printf(" -%c option is not compatible "
"with core files\n", xflag ? 'x' :
sflag ? 's' : rflag ? 'r' :
Lflag ? 'L' : 'S');
Prelease(Pr, prr_flags);
rc++;
continue;
}
} else {
(void) printf("%d:\t%.70s\n",
(int)psinfo.pr_pid, psinfo.pr_psargs);
}
if (!(Pstatus(Pr)->pr_flags & PR_ISSYS)) {
struct totals t;
/*
* Since we're grabbing the process readonly, we need
* to make sure the address space doesn't change during
* execution.
*/
if (Pstate(Pr) != PS_DEAD) {
if (tries++ == MAX_TRIES) {
Prelease(Pr, prr_flags);
(void) close(mapfd);
(void) fprintf(stderr, "%s: cannot "
"examine %s: address space is "
"changing\n", command, arg);
continue;
}
if (fstat64(mapfd, &statbuf) != 0) {
Prelease(Pr, prr_flags);
(void) close(mapfd);
(void) fprintf(stderr, "%s: cannot "
"examine %s: lost control of "
"process\n", command, arg);
continue;
}
}
nstacks = psinfo.pr_nlwp * 2;
stacks = calloc(nstacks, sizeof (stacks[0]));
if (stacks != NULL) {
int n = 0;
(void) Plwp_iter(Pr, getstack, &n);
qsort(stacks, nstacks, sizeof (stacks[0]),
cmpstacks);
}
(void) memset(&t, 0, sizeof (t));
if (Pgetauxval(Pr, AT_BASE) != -1L &&
Prd_agent(Pr) == NULL) {
(void) fprintf(stderr, "%s: warning: "
"librtld_db failed to initialize; "
"shared library information will not be "
"available\n", command);
}
/*
* Gather data
*/
if (xflag)
rc += xmapping_iter(Pr, gather_xmap, NULL, 0);
else if (Sflag)
rc += xmapping_iter(Pr, gather_xmap, NULL, 1);
else {
if (rflag)
rc += rmapping_iter(Pr, gather_map,
NULL);
else if (sflag)
rc += xmapping_iter(Pr, gather_xmap,
NULL, 0);
else if (lflag)
rc += Pmapping_iter(Pr,
gather_map, NULL);
else
rc += Pmapping_iter_resolved(Pr,
gather_map, NULL);
}
/*
* Ensure mappings are consistent.
*/
if (Pstate(Pr) != PS_DEAD) {
struct stat64 newbuf;
if (fstat64(mapfd, &newbuf) != 0 ||
memcmp(&newbuf.st_mtim, &statbuf.st_mtim,
sizeof (newbuf.st_mtim)) != 0) {
if (stacks != NULL) {
free(stacks);
stacks = NULL;
}
goto again;
}
}
/*
* Display data.
*/
if (xflag) {
(void) printf("%*s%*s%*s%*s%*s "
"%sMode Mapped File\n",
addr_width, "Address",
size_width, "Kbytes",
size_width, "RSS",
size_width, "Anon",
size_width, "Locked",
sflag ? "Pgsz " : "");
rc += iter_xmap(sflag ? look_xmap :
look_xmap_nopgsz, &t);
(void) printf("%s%s %s %s %s %s\n",
addr_width == 8 ? "-" : "------",
bar, bar, bar, bar, bar);
(void) printf("%stotal Kb", addr_width == 16 ?
" " : "");
printK(t.total_size, size_width);
printK(t.total_rss, size_width);
printK(t.total_anon, size_width);
printK(t.total_locked, size_width);
(void) printf("\n");
} else if (Sflag) {
(void) printf("%*s%*s%*s Mode"
" Mapped File\n",
addr_width, "Address",
size_width, "Kbytes",
size_width, "Swap");
rc += iter_xmap(look_xmap_nopgsz, &t);
(void) printf("%s%s %s %s\n",
addr_width == 8 ? "-" : "------",
bar, bar, bar);
(void) printf("%stotal Kb", addr_width == 16 ?
" " : "");
printK(t.total_size, size_width);
printK(t.total_swap, size_width);
(void) printf("\n");
} else {
if (rflag) {
rc += iter_map(look_map, &t);
} else if (sflag) {
if (Lflag) {
(void) printf("%*s %*s %4s"
" %-6s %s %s\n",
addr_width, "Address",
size_width,
"Bytes", "Pgsz", "Mode ",
"Lgrp", "Mapped File");
rc += iter_xmap(look_smap, &t);
} else {
(void) printf("%*s %*s %4s"
" %-6s %s\n",
addr_width, "Address",
size_width,
"Bytes", "Pgsz", "Mode ",
"Mapped File");
rc += iter_xmap(look_smap, &t);
}
} else {
rc += iter_map(look_map, &t);
}
(void) printf(" %stotal %*luK\n",
addr_width == 16 ?
" " : "",
size_width, t.total_size);
}
if (stacks != NULL) {
free(stacks);
stacks = NULL;
}
}
Prelease(Pr, prr_flags);
if (mapfd != -1)
(void) close(mapfd);
}
if (use_agent_lwp)
(void) proc_finistdio();
return (rc);
}
/*
* Don't explicity stop the process; that's up to the consumer.
*/
int
Pfgcore(struct ps_prochandle *P, int fd, core_content_t content)
{
char plat[SYS_NMLN];
char zonename[ZONENAME_MAX];
int platlen = -1;
pgcore_t pgc;
off64_t poff, soff, doff, boff;
struct utsname uts;
uint_t nphdrs, nshdrs;
if (ftruncate64(fd, 0) != 0)
return (-1);
if (content == CC_CONTENT_INVALID) {
errno = EINVAL;
return (-1);
}
/*
* Cache the mappings and other useful data.
*/
(void) Prd_agent(P);
(void) Ppsinfo(P);
pgc.P = P;
pgc.pgc_fd = fd;
pgc.pgc_poff = &poff;
pgc.pgc_soff = &soff;
pgc.pgc_doff = &doff;
pgc.pgc_content = content;
pgc.pgc_chunksz = PAGESIZE;
if ((pgc.pgc_chunk = malloc(pgc.pgc_chunksz)) == NULL)
return (-1);
shstrtab_init(&pgc.pgc_shstrtab);
/*
* There are two PT_NOTE program headers for ancillary data, and
* one for each mapping.
*/
nphdrs = 2 + P->map_count;
nshdrs = count_sections(&pgc);
(void) Pplatform(P, plat, sizeof (plat));
platlen = strlen(plat) + 1;
Preadauxvec(P);
(void) Puname(P, &uts);
if (Pzonename(P, zonename, sizeof (zonename)) == NULL)
zonename[0] = '\0';
/*
* The core file contents may required zero section headers, but if we
* overflow the 16 bits allotted to the program header count in the ELF
* header, we'll need that program header at index zero.
*/
if (nshdrs == 0 && nphdrs >= PN_XNUM)
nshdrs = 1;
/*
* Set up the ELF header.
*/
if (P->status.pr_dmodel == PR_MODEL_ILP32) {
Elf32_Ehdr ehdr;
bzero(&ehdr, sizeof (ehdr));
ehdr.e_ident[EI_MAG0] = ELFMAG0;
ehdr.e_ident[EI_MAG1] = ELFMAG1;
ehdr.e_ident[EI_MAG2] = ELFMAG2;
ehdr.e_ident[EI_MAG3] = ELFMAG3;
ehdr.e_type = ET_CORE;
ehdr.e_ident[EI_CLASS] = ELFCLASS32;
#if defined(__sparc)
ehdr.e_machine = EM_SPARC;
ehdr.e_ident[EI_DATA] = ELFDATA2MSB;
#elif defined(__i386) || defined(__amd64)
ehdr.e_machine = EM_386;
ehdr.e_ident[EI_DATA] = ELFDATA2LSB;
#else
#error "unknown machine type"
#endif
ehdr.e_ident[EI_VERSION] = EV_CURRENT;
ehdr.e_version = EV_CURRENT;
ehdr.e_ehsize = sizeof (ehdr);
if (nphdrs >= PN_XNUM)
ehdr.e_phnum = PN_XNUM;
else
ehdr.e_phnum = (unsigned short)nphdrs;
ehdr.e_phentsize = sizeof (Elf32_Phdr);
ehdr.e_phoff = ehdr.e_ehsize;
if (nshdrs > 0) {
if (nshdrs >= SHN_LORESERVE)
ehdr.e_shnum = 0;
else
ehdr.e_shnum = (unsigned short)nshdrs;
if (nshdrs - 1 >= SHN_LORESERVE)
ehdr.e_shstrndx = SHN_XINDEX;
else
ehdr.e_shstrndx = (unsigned short)(nshdrs - 1);
ehdr.e_shentsize = sizeof (Elf32_Shdr);
ehdr.e_shoff = ehdr.e_phoff + ehdr.e_phentsize * nphdrs;
}
if (gc_pwrite64(fd, &ehdr, sizeof (ehdr), 0) != 0)
goto err;
poff = ehdr.e_phoff;
soff = ehdr.e_shoff;
doff = boff = ehdr.e_ehsize +
ehdr.e_phentsize * nphdrs +
ehdr.e_shentsize * nshdrs;
#ifdef _LP64
} else {
Elf64_Ehdr ehdr;
bzero(&ehdr, sizeof (ehdr));
ehdr.e_ident[EI_MAG0] = ELFMAG0;
ehdr.e_ident[EI_MAG1] = ELFMAG1;
ehdr.e_ident[EI_MAG2] = ELFMAG2;
ehdr.e_ident[EI_MAG3] = ELFMAG3;
ehdr.e_type = ET_CORE;
ehdr.e_ident[EI_CLASS] = ELFCLASS64;
#if defined(__sparc)
ehdr.e_machine = EM_SPARCV9;
ehdr.e_ident[EI_DATA] = ELFDATA2MSB;
#elif defined(__i386) || defined(__amd64)
ehdr.e_machine = EM_AMD64;
ehdr.e_ident[EI_DATA] = ELFDATA2LSB;
#else
#error "unknown machine type"
#endif
ehdr.e_ident[EI_VERSION] = EV_CURRENT;
ehdr.e_version = EV_CURRENT;
ehdr.e_ehsize = sizeof (ehdr);
if (nphdrs >= PN_XNUM)
ehdr.e_phnum = PN_XNUM;
else
ehdr.e_phnum = (unsigned short)nphdrs;
ehdr.e_phentsize = sizeof (Elf64_Phdr);
ehdr.e_phoff = ehdr.e_ehsize;
if (nshdrs > 0) {
if (nshdrs >= SHN_LORESERVE)
ehdr.e_shnum = 0;
else
ehdr.e_shnum = (unsigned short)nshdrs;
if (nshdrs - 1 >= SHN_LORESERVE)
ehdr.e_shstrndx = SHN_XINDEX;
else
ehdr.e_shstrndx = (unsigned short)(nshdrs - 1);
ehdr.e_shentsize = sizeof (Elf64_Shdr);
ehdr.e_shoff = ehdr.e_phoff + ehdr.e_phentsize * nphdrs;
}
if (gc_pwrite64(fd, &ehdr, sizeof (ehdr), 0) != 0)
goto err;
poff = ehdr.e_phoff;
soff = ehdr.e_shoff;
doff = boff = ehdr.e_ehsize +
ehdr.e_phentsize * nphdrs +
ehdr.e_shentsize * nshdrs;
#endif /* _LP64 */
}
/*
* Write the zero indexed section if it exists.
*/
if (nshdrs > 0 && write_shdr(&pgc, STR_NONE, 0, 0, 0, 0,
nshdrs >= SHN_LORESERVE ? nshdrs : 0,
nshdrs - 1 >= SHN_LORESERVE ? nshdrs - 1 : 0,
nphdrs >= PN_XNUM ? nphdrs : 0, 0, 0) != 0)
goto err;
/*
* Construct the old-style note header and section.
*/
if (P->status.pr_dmodel == PR_MODEL_NATIVE) {
prpsinfo_t prpsinfo;
mkprpsinfo(P, &prpsinfo);
if (write_note(fd, NT_PRPSINFO, &prpsinfo, sizeof (prpsinfo_t),
&doff) != 0) {
goto err;
}
if (write_note(fd, NT_AUXV, P->auxv,
P->nauxv * sizeof (P->auxv[0]), &doff) != 0) {
goto err;
}
#ifdef _LP64
} else {
prpsinfo32_t pi32;
auxv32_t *av32;
size_t size = sizeof (auxv32_t) * P->nauxv;
int i;
mkprpsinfo32(P, &pi32);
if (write_note(fd, NT_PRPSINFO, &pi32, sizeof (prpsinfo32_t),
&doff) != 0) {
goto err;
}
if ((av32 = malloc(size)) == NULL)
goto err;
for (i = 0; i < P->nauxv; i++) {
auxv_n_to_32(&P->auxv[i], &av32[i]);
}
if (write_note(fd, NT_AUXV, av32, size, &doff) != 0) {
free(av32);
goto err;
}
free(av32);
#endif /* _LP64 */
}
if (write_note(fd, NT_PLATFORM, plat, platlen, &doff) != 0)
goto err;
if (Plwp_iter_all(P, old_per_lwp, &pgc) != 0)
goto err;
if (P->status.pr_dmodel == PR_MODEL_ILP32) {
Elf32_Phdr phdr;
bzero(&phdr, sizeof (phdr));
phdr.p_type = PT_NOTE;
phdr.p_flags = PF_R;
phdr.p_offset = (Elf32_Off)boff;
phdr.p_filesz = doff - boff;
boff = doff;
if (gc_pwrite64(fd, &phdr, sizeof (phdr), poff) != 0)
goto err;
poff += sizeof (phdr);
#ifdef _LP64
} else {
Elf64_Phdr phdr;
bzero(&phdr, sizeof (phdr));
phdr.p_type = PT_NOTE;
phdr.p_flags = PF_R;
phdr.p_offset = boff;
phdr.p_filesz = doff - boff;
boff = doff;
if (gc_pwrite64(fd, &phdr, sizeof (phdr), poff) != 0)
goto err;
poff += sizeof (phdr);
#endif /* _LP64 */
}
/*
* Construct the new-style note header and section.
*/
if (P->status.pr_dmodel == PR_MODEL_NATIVE) {
if (write_note(fd, NT_PSINFO, &P->psinfo, sizeof (psinfo_t),
&doff) != 0) {
goto err;
}
if (write_note(fd, NT_PSTATUS, &P->status, sizeof (pstatus_t),
&doff) != 0) {
goto err;
}
if (write_note(fd, NT_AUXV, P->auxv,
P->nauxv * sizeof (P->auxv[0]), &doff) != 0) {
goto err;
}
#ifdef _LP64
} else {
psinfo32_t pi32;
pstatus32_t ps32;
auxv32_t *av32;
size_t size = sizeof (auxv32_t) * P->nauxv;
int i;
psinfo_n_to_32(&P->psinfo, &pi32);
if (write_note(fd, NT_PSINFO, &pi32, sizeof (psinfo32_t),
&doff) != 0) {
goto err;
}
pstatus_n_to_32(&P->status, &ps32);
if (write_note(fd, NT_PSTATUS, &ps32, sizeof (pstatus32_t),
&doff) != 0) {
goto err;
}
if ((av32 = malloc(size)) == NULL)
goto err;
for (i = 0; i < P->nauxv; i++) {
auxv_n_to_32(&P->auxv[i], &av32[i]);
}
if (write_note(fd, NT_AUXV, av32, size, &doff) != 0) {
free(av32);
goto err;
}
free(av32);
#endif /* _LP64 */
}
if (write_note(fd, NT_PLATFORM, plat, platlen, &doff) != 0 ||
write_note(fd, NT_UTSNAME, &uts, sizeof (uts), &doff) != 0 ||
write_note(fd, NT_CONTENT, &content, sizeof (content), &doff) != 0)
goto err;
{
prcred_t cred, *cp;
size_t size = sizeof (prcred_t);
if (Pcred(P, &cred, 0) != 0)
goto err;
if (cred.pr_ngroups > 0)
size += sizeof (gid_t) * (cred.pr_ngroups - 1);
if ((cp = malloc(size)) == NULL)
goto err;
if (Pcred(P, cp, cred.pr_ngroups) != 0 ||
write_note(fd, NT_PRCRED, cp, size, &doff) != 0) {
free(cp);
goto err;
}
free(cp);
}
{
prpriv_t *ppriv = NULL;
const priv_impl_info_t *pinfo;
size_t pprivsz, pinfosz;
if (Ppriv(P, &ppriv) == -1)
goto err;
pprivsz = PRIV_PRPRIV_SIZE(ppriv);
if (write_note(fd, NT_PRPRIV, ppriv, pprivsz, &doff) != 0) {
Ppriv_free(P, ppriv);
goto err;
}
Ppriv_free(P, ppriv);
if ((pinfo = getprivimplinfo()) == NULL)
goto err;
pinfosz = PRIV_IMPL_INFO_SIZE(pinfo);
if (write_note(fd, NT_PRPRIVINFO, pinfo, pinfosz, &doff) != 0)
goto err;
}
if (write_note(fd, NT_ZONENAME, zonename, strlen(zonename) + 1,
&doff) != 0)
goto err;
{
fditer_t iter;
iter.fd_fd = fd;
iter.fd_doff = &doff;
if (Pfdinfo_iter(P, iter_fd, &iter) != 0)
goto err;
}
{
prsecflags_t *psf = NULL;
if (Psecflags(P, &psf) != 0)
goto err;
if (write_note(fd, NT_SECFLAGS, psf,
sizeof (prsecflags_t), &doff) != 0) {
Psecflags_free(psf);
goto err;
}
Psecflags_free(psf);
}
#if defined(__i386) || defined(__amd64)
/* CSTYLED */
{
struct ssd *ldtp;
size_t size;
int nldt;
/*
* Only dump out non-zero sized LDT notes.
*/
if ((nldt = Pldt(P, NULL, 0)) != 0) {
size = sizeof (struct ssd) * nldt;
if ((ldtp = malloc(size)) == NULL)
goto err;
if (Pldt(P, ldtp, nldt) == -1 ||
write_note(fd, NT_LDT, ldtp, size, &doff) != 0) {
free(ldtp);
goto err;
}
free(ldtp);
}
}
#endif /* __i386 || __amd64 */
if (Plwp_iter_all(P, new_per_lwp, &pgc) != 0)
goto err;
if (P->status.pr_dmodel == PR_MODEL_ILP32) {
Elf32_Phdr phdr;
bzero(&phdr, sizeof (phdr));
phdr.p_type = PT_NOTE;
phdr.p_flags = PF_R;
phdr.p_offset = (Elf32_Off)boff;
phdr.p_filesz = doff - boff;
boff = doff;
if (gc_pwrite64(fd, &phdr, sizeof (phdr), poff) != 0)
goto err;
poff += sizeof (phdr);
#ifdef _LP64
} else {
Elf64_Phdr phdr;
bzero(&phdr, sizeof (phdr));
phdr.p_type = PT_NOTE;
phdr.p_flags = PF_R;
phdr.p_offset = boff;
phdr.p_filesz = doff - boff;
boff = doff;
if (gc_pwrite64(fd, &phdr, sizeof (phdr), poff) != 0)
goto err;
poff += sizeof (phdr);
#endif /* _LP64 */
}
/*
* Construct the headers for each mapping and write out its data
* if the content parameter indicates that it should be present
* in the core file.
*/
if (Pmapping_iter(P, dump_map, &pgc) != 0)
goto err;
if (dump_sections(&pgc) != 0)
goto err;
if (write_shstrtab(P, &pgc) != 0)
goto err;
free(pgc.pgc_chunk);
return (0);
err:
/*
* Wipe out anything we may have written if there was an error.
*/
(void) ftruncate64(fd, 0);
free(pgc.pgc_chunk);
return (-1);
}
