/* Target-dependent code for FreeBSD, architecture-independent.
- Copyright (C) 2002-2016 Free Software Foundation, Inc.
+ Copyright (C) 2002-2018 Free Software Foundation, Inc.
This file is part of GDB.
#include "fbsd-tdep.h"
+/* FreeBSD kernels 12.0 and later include a copy of the
+ 'ptrace_lwpinfo' structure returned by the PT_LWPINFO ptrace
+ operation in an ELF core note (NT_FREEBSD_PTLWPINFO) for each LWP.
+ The constants below define the offset of field members and flags in
+ this structure used by methods in this file. Note that the
+ 'ptrace_lwpinfo' struct in the note is preceded by a 4 byte integer
+ containing the size of the structure. */
+
+#define LWPINFO_OFFSET 0x4
+
+/* Offsets in ptrace_lwpinfo. */
+#define LWPINFO_PL_FLAGS 0x8
+#define LWPINFO64_PL_SIGINFO 0x30
+#define LWPINFO32_PL_SIGINFO 0x2c
+
+/* Flags in pl_flags. */
+#define PL_FLAG_SI 0x20 /* siginfo is valid */
+
+/* Sizes of siginfo_t. */
+#define SIZE64_SIGINFO_T 80
+#define SIZE32_SIGINFO_T 64
+
+/* Offsets in data structure used in NT_FREEBSD_PROCSTAT_VMMAP core
+ dump notes. See <sys/user.h> for the definition of struct
+ kinfo_vmentry. This data structure should have the same layout on
+ all architectures. */
+
+#define KVE_STRUCTSIZE 0x0
+#define KVE_START 0x8
+#define KVE_END 0x10
+#define KVE_OFFSET 0x18
+#define KVE_FLAGS 0x2c
+#define KVE_PROTECTION 0x38
+#define KVE_PATH 0x88
+
+/* Flags in the 'kve_protection' field in struct kinfo_vmentry. These
+ match the KVME_PROT_* constants in <sys/user.h>. */
+
+#define KINFO_VME_PROT_READ 0x00000001
+#define KINFO_VME_PROT_WRITE 0x00000002
+#define KINFO_VME_PROT_EXEC 0x00000004
+
+/* Flags in the 'kve_flags' field in struct kinfo_vmentry. These
+ match the KVME_FLAG_* constants in <sys/user.h>. */
+
+#define KINFO_VME_FLAG_COW 0x00000001
+#define KINFO_VME_FLAG_NEEDS_COPY 0x00000002
+#define KINFO_VME_FLAG_NOCOREDUMP 0x00000004
+#define KINFO_VME_FLAG_SUPER 0x00000008
+#define KINFO_VME_FLAG_GROWS_UP 0x00000010
+#define KINFO_VME_FLAG_GROWS_DOWN 0x00000020
+
+/* Offsets in data structure used in NT_FREEBSD_PROCSTAT_FILES core
+ dump notes. See <sys/user.h> for the definition of struct
+ kinfo_file. This data structure should have the same layout on all
+ architectures. */
+
+#define KF_STRUCTSIZE 0x0
+#define KF_TYPE 0x4
+#define KF_FD 0x8
+#define KF_PATH 0x170
+
+/* Constants for the 'kf_type' field in struct kinfo_file. These
+ match the KF_TYPE_* constants in <sys/user.h>. */
+
+#define KINFO_FILE_TYPE_VNODE 1
+
+/* Special values for the 'kf_fd' field in struct kinfo_file. These
+ match the KF_FD_TYPE_* constants in <sys/user.h>. */
+
+#define KINFO_FILE_FD_TYPE_CWD -1
+#define KINFO_FILE_FD_TYPE_TEXT -5
+
+/* Number of 32-bit words in a signal set. This matches _SIG_WORDS in
+ <sys/_sigset.h> and is the same value on all architectures. */
+
+#define SIG_WORDS 4
+
+/* Offsets in data structure used in NT_FREEBSD_PROCSTAT_PROC core
+ dump notes. See <sys/user.h> for the definition of struct
+ kinfo_proc. This data structure has different layouts on different
+ architectures mostly due to ILP32 vs LP64. However, FreeBSD/i386
+ uses a 32-bit time_t while all other architectures use a 64-bit
+ time_t.
+
+ The core dump note actually contains one kinfo_proc structure for
+ each thread, but all of the process-wide data can be obtained from
+ the first structure. One result of this note's format is that some
+ of the process-wide status available in the native target method
+ from the kern.proc.pid.<pid> sysctl such as ki_stat and ki_siglist
+ is not available from a core dump. Instead, the per-thread data
+ structures contain the value of these fields for individual
+ threads. */
+
+struct kinfo_proc_layout
+{
+ /* Offsets of struct kinfo_proc members. */
+ int ki_layout;
+ int ki_pid;
+ int ki_ppid;
+ int ki_pgid;
+ int ki_tpgid;
+ int ki_sid;
+ int ki_tdev_freebsd11;
+ int ki_sigignore;
+ int ki_sigcatch;
+ int ki_uid;
+ int ki_ruid;
+ int ki_svuid;
+ int ki_rgid;
+ int ki_svgid;
+ int ki_ngroups;
+ int ki_groups;
+ int ki_size;
+ int ki_rssize;
+ int ki_tsize;
+ int ki_dsize;
+ int ki_ssize;
+ int ki_start;
+ int ki_nice;
+ int ki_comm;
+ int ki_tdev;
+ int ki_rusage;
+ int ki_rusage_ch;
+
+ /* Offsets of struct rusage members. */
+ int ru_utime;
+ int ru_stime;
+ int ru_maxrss;
+ int ru_minflt;
+ int ru_majflt;
+};
+
+const struct kinfo_proc_layout kinfo_proc_layout_32 =
+ {
+ .ki_layout = 0x4,
+ .ki_pid = 0x28,
+ .ki_ppid = 0x2c,
+ .ki_pgid = 0x30,
+ .ki_tpgid = 0x34,
+ .ki_sid = 0x38,
+ .ki_tdev_freebsd11 = 0x44,
+ .ki_sigignore = 0x68,
+ .ki_sigcatch = 0x78,
+ .ki_uid = 0x88,
+ .ki_ruid = 0x8c,
+ .ki_svuid = 0x90,
+ .ki_rgid = 0x94,
+ .ki_svgid = 0x98,
+ .ki_ngroups = 0x9c,
+ .ki_groups = 0xa0,
+ .ki_size = 0xe0,
+ .ki_rssize = 0xe4,
+ .ki_tsize = 0xec,
+ .ki_dsize = 0xf0,
+ .ki_ssize = 0xf4,
+ .ki_start = 0x118,
+ .ki_nice = 0x145,
+ .ki_comm = 0x17f,
+ .ki_tdev = 0x1f0,
+ .ki_rusage = 0x220,
+ .ki_rusage_ch = 0x278,
+
+ .ru_utime = 0x0,
+ .ru_stime = 0x10,
+ .ru_maxrss = 0x20,
+ .ru_minflt = 0x30,
+ .ru_majflt = 0x34,
+ };
+
+const struct kinfo_proc_layout kinfo_proc_layout_i386 =
+ {
+ .ki_layout = 0x4,
+ .ki_pid = 0x28,
+ .ki_ppid = 0x2c,
+ .ki_pgid = 0x30,
+ .ki_tpgid = 0x34,
+ .ki_sid = 0x38,
+ .ki_tdev_freebsd11 = 0x44,
+ .ki_sigignore = 0x68,
+ .ki_sigcatch = 0x78,
+ .ki_uid = 0x88,
+ .ki_ruid = 0x8c,
+ .ki_svuid = 0x90,
+ .ki_rgid = 0x94,
+ .ki_svgid = 0x98,
+ .ki_ngroups = 0x9c,
+ .ki_groups = 0xa0,
+ .ki_size = 0xe0,
+ .ki_rssize = 0xe4,
+ .ki_tsize = 0xec,
+ .ki_dsize = 0xf0,
+ .ki_ssize = 0xf4,
+ .ki_start = 0x118,
+ .ki_nice = 0x135,
+ .ki_comm = 0x16f,
+ .ki_tdev = 0x1e0,
+ .ki_rusage = 0x210,
+ .ki_rusage_ch = 0x258,
+
+ .ru_utime = 0x0,
+ .ru_stime = 0x8,
+ .ru_maxrss = 0x10,
+ .ru_minflt = 0x20,
+ .ru_majflt = 0x24,
+ };
+
+const struct kinfo_proc_layout kinfo_proc_layout_64 =
+ {
+ .ki_layout = 0x4,
+ .ki_pid = 0x48,
+ .ki_ppid = 0x4c,
+ .ki_pgid = 0x50,
+ .ki_tpgid = 0x54,
+ .ki_sid = 0x58,
+ .ki_tdev_freebsd11 = 0x64,
+ .ki_sigignore = 0x88,
+ .ki_sigcatch = 0x98,
+ .ki_uid = 0xa8,
+ .ki_ruid = 0xac,
+ .ki_svuid = 0xb0,
+ .ki_rgid = 0xb4,
+ .ki_svgid = 0xb8,
+ .ki_ngroups = 0xbc,
+ .ki_groups = 0xc0,
+ .ki_size = 0x100,
+ .ki_rssize = 0x108,
+ .ki_tsize = 0x118,
+ .ki_dsize = 0x120,
+ .ki_ssize = 0x128,
+ .ki_start = 0x150,
+ .ki_nice = 0x185,
+ .ki_comm = 0x1bf,
+ .ki_tdev = 0x230,
+ .ki_rusage = 0x260,
+ .ki_rusage_ch = 0x2f0,
+
+ .ru_utime = 0x0,
+ .ru_stime = 0x10,
+ .ru_maxrss = 0x20,
+ .ru_minflt = 0x40,
+ .ru_majflt = 0x48,
+ };
+
+static struct gdbarch_data *fbsd_gdbarch_data_handle;
+
+struct fbsd_gdbarch_data
+ {
+ struct type *siginfo_type;
+ };
+
+static void *
+init_fbsd_gdbarch_data (struct gdbarch *gdbarch)
+{
+ return GDBARCH_OBSTACK_ZALLOC (gdbarch, struct fbsd_gdbarch_data);
+}
+
+static struct fbsd_gdbarch_data *
+get_fbsd_gdbarch_data (struct gdbarch *gdbarch)
+{
+ return ((struct fbsd_gdbarch_data *)
+ gdbarch_data (gdbarch, fbsd_gdbarch_data_handle));
+}
+
/* This is how we want PTIDs from core files to be printed. */
-static char *
+static const char *
fbsd_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid)
{
static char buf[80];
static char buf[80];
struct bfd_section *section;
bfd_size_type size;
- char sectionstr[32];
if (ptid_get_lwp (thr->ptid) != 0)
{
structure. Rather than define the full structure here, just
extract the null-terminated name from the start of the
note. */
- xsnprintf (sectionstr, sizeof sectionstr, ".thrmisc/%ld",
- ptid_get_lwp (thr->ptid));
- section = bfd_get_section_by_name (core_bfd, sectionstr);
+ thread_section_name section_name (".thrmisc", thr->ptid);
+
+ section = bfd_get_section_by_name (core_bfd, section_name.c_str ());
if (section != NULL && bfd_section_size (core_bfd, section) > 0)
{
/* Truncate the name if it is longer than "buf". */
return NULL;
}
+/* Implement the "core_xfer_siginfo" gdbarch method. */
+
+static LONGEST
+fbsd_core_xfer_siginfo (struct gdbarch *gdbarch, gdb_byte *readbuf,
+ ULONGEST offset, ULONGEST len)
+{
+ size_t siginfo_size;
+
+ if (gdbarch_long_bit (gdbarch) == 32)
+ siginfo_size = SIZE32_SIGINFO_T;
+ else
+ siginfo_size = SIZE64_SIGINFO_T;
+ if (offset > siginfo_size)
+ return -1;
+
+ thread_section_name section_name (".note.freebsdcore.lwpinfo", inferior_ptid);
+ asection *section = bfd_get_section_by_name (core_bfd, section_name.c_str ());
+ if (section == NULL)
+ return -1;
+
+ gdb_byte buf[4];
+ if (!bfd_get_section_contents (core_bfd, section, buf,
+ LWPINFO_OFFSET + LWPINFO_PL_FLAGS, 4))
+ return -1;
+
+ int pl_flags = extract_signed_integer (buf, 4, gdbarch_byte_order (gdbarch));
+ if (!(pl_flags & PL_FLAG_SI))
+ return -1;
+
+ if (offset + len > siginfo_size)
+ len = siginfo_size - offset;
+
+ ULONGEST siginfo_offset;
+ if (gdbarch_long_bit (gdbarch) == 32)
+ siginfo_offset = LWPINFO_OFFSET + LWPINFO32_PL_SIGINFO;
+ else
+ siginfo_offset = LWPINFO_OFFSET + LWPINFO64_PL_SIGINFO;
+
+ if (!bfd_get_section_contents (core_bfd, section, readbuf,
+ siginfo_offset + offset, len))
+ return -1;
+
+ return len;
+}
+
static int
find_signalled_thread (struct thread_info *info, void *data)
{
char *note_data, int *note_size,
enum gdb_signal stop_signal)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
struct fbsd_collect_regset_section_cb_data data;
data.regcache = regcache;
fbsd_corefile_thread (struct thread_info *info,
struct fbsd_corefile_thread_data *args)
{
- struct cleanup *old_chain;
struct regcache *regcache;
regcache = get_thread_arch_regcache (info->ptid, args->gdbarch);
- old_chain = save_inferior_ptid ();
- inferior_ptid = info->ptid;
target_fetch_registers (regcache, -1);
- do_cleanups (old_chain);
args->note_data = fbsd_collect_thread_registers
(regcache, info->ptid, args->obfd, args->note_data,
return note_data;
}
+/* Helper function to generate mappings flags for a single VM map
+ entry in 'info proc mappings'. */
+
+const char *
+fbsd_vm_map_entry_flags (int kve_flags, int kve_protection)
+{
+ static char vm_flags[9];
+
+ vm_flags[0] = (kve_protection & KINFO_VME_PROT_READ) ? 'r' : '-';
+ vm_flags[1] = (kve_protection & KINFO_VME_PROT_WRITE) ? 'w' : '-';
+ vm_flags[2] = (kve_protection & KINFO_VME_PROT_EXEC) ? 'x' : '-';
+ vm_flags[3] = ' ';
+ vm_flags[4] = (kve_flags & KINFO_VME_FLAG_COW) ? 'C' : '-';
+ vm_flags[5] = (kve_flags & KINFO_VME_FLAG_NEEDS_COPY) ? 'N' : '-';
+ vm_flags[6] = (kve_flags & KINFO_VME_FLAG_SUPER) ? 'S' : '-';
+ vm_flags[7] = (kve_flags & KINFO_VME_FLAG_GROWS_UP) ? 'U'
+ : (kve_flags & KINFO_VME_FLAG_GROWS_DOWN) ? 'D' : '-';
+ vm_flags[8] = '\0';
+
+ return vm_flags;
+}
+
+/* Implement "info proc mappings" for a corefile. */
+
+static void
+fbsd_core_info_proc_mappings (struct gdbarch *gdbarch)
+{
+ asection *section;
+ unsigned char *descdata, *descend;
+ size_t note_size;
+
+ section = bfd_get_section_by_name (core_bfd, ".note.freebsdcore.vmmap");
+ if (section == NULL)
+ {
+ warning (_("unable to find mappings in core file"));
+ return;
+ }
+
+ note_size = bfd_get_section_size (section);
+ if (note_size < 4)
+ error (_("malformed core note - too short for header"));
+
+ gdb::def_vector<unsigned char> contents (note_size);
+ if (!bfd_get_section_contents (core_bfd, section, contents.data (),
+ 0, note_size))
+ error (_("could not get core note contents"));
+
+ descdata = contents.data ();
+ descend = descdata + note_size;
+
+ /* Skip over the structure size. */
+ descdata += 4;
+
+ printf_filtered (_("Mapped address spaces:\n\n"));
+ if (gdbarch_addr_bit (gdbarch) == 64)
+ {
+ printf_filtered (" %18s %18s %10s %10s %9s %s\n",
+ "Start Addr",
+ " End Addr",
+ " Size", " Offset", "Flags ", "File");
+ }
+ else
+ {
+ printf_filtered ("\t%10s %10s %10s %10s %9s %s\n",
+ "Start Addr",
+ " End Addr",
+ " Size", " Offset", "Flags ", "File");
+ }
+
+ while (descdata + KVE_PATH < descend)
+ {
+ ULONGEST start, end, offset, flags, prot, structsize;
+
+ structsize = bfd_get_32 (core_bfd, descdata + KVE_STRUCTSIZE);
+ if (structsize < KVE_PATH)
+ error (_("malformed core note - vmmap entry too small"));
+
+ start = bfd_get_64 (core_bfd, descdata + KVE_START);
+ end = bfd_get_64 (core_bfd, descdata + KVE_END);
+ offset = bfd_get_64 (core_bfd, descdata + KVE_OFFSET);
+ flags = bfd_get_32 (core_bfd, descdata + KVE_FLAGS);
+ prot = bfd_get_32 (core_bfd, descdata + KVE_PROTECTION);
+ if (gdbarch_addr_bit (gdbarch) == 64)
+ {
+ printf_filtered (" %18s %18s %10s %10s %9s %s\n",
+ paddress (gdbarch, start),
+ paddress (gdbarch, end),
+ hex_string (end - start),
+ hex_string (offset),
+ fbsd_vm_map_entry_flags (flags, prot),
+ descdata + KVE_PATH);
+ }
+ else
+ {
+ printf_filtered ("\t%10s %10s %10s %10s %9s %s\n",
+ paddress (gdbarch, start),
+ paddress (gdbarch, end),
+ hex_string (end - start),
+ hex_string (offset),
+ fbsd_vm_map_entry_flags (flags, prot),
+ descdata + KVE_PATH);
+ }
+
+ descdata += structsize;
+ }
+}
+
+/* Fetch the pathname of a vnode for a single file descriptor from the
+ file table core note. */
+
+static gdb::unique_xmalloc_ptr<char>
+fbsd_core_vnode_path (struct gdbarch *gdbarch, int fd)
+{
+ asection *section;
+ unsigned char *descdata, *descend;
+ size_t note_size;
+
+ section = bfd_get_section_by_name (core_bfd, ".note.freebsdcore.files");
+ if (section == NULL)
+ return nullptr;
+
+ note_size = bfd_get_section_size (section);
+ if (note_size < 4)
+ error (_("malformed core note - too short for header"));
+
+ gdb::def_vector<unsigned char> contents (note_size);
+ if (!bfd_get_section_contents (core_bfd, section, contents.data (),
+ 0, note_size))
+ error (_("could not get core note contents"));
+
+ descdata = contents.data ();
+ descend = descdata + note_size;
+
+ /* Skip over the structure size. */
+ descdata += 4;
+
+ while (descdata + KVE_PATH < descend)
+ {
+ ULONGEST structsize;
+
+ structsize = bfd_get_32 (core_bfd, descdata + KF_STRUCTSIZE);
+ if (structsize < KVE_PATH)
+ error (_("malformed core note - vmmap entry too small"));
+
+ if (bfd_get_32 (core_bfd, descdata + KF_TYPE) == KINFO_FILE_TYPE_VNODE
+ && bfd_get_signed_32 (core_bfd, descdata + KF_FD) == fd)
+ {
+ char *path = (char *) descdata + KF_PATH;
+ return gdb::unique_xmalloc_ptr<char> (xstrdup (path));
+ }
+
+ descdata += structsize;
+ }
+ return nullptr;
+}
+
+/* Helper function to read a struct timeval. */
+
+static void
+fbsd_core_fetch_timeval (struct gdbarch *gdbarch, unsigned char *data,
+ LONGEST &sec, ULONGEST &usec)
+{
+ if (gdbarch_addr_bit (gdbarch) == 64)
+ {
+ sec = bfd_get_signed_64 (core_bfd, data);
+ usec = bfd_get_64 (core_bfd, data + 8);
+ }
+ else if (bfd_get_arch (core_bfd) == bfd_arch_i386)
+ {
+ sec = bfd_get_signed_32 (core_bfd, data);
+ usec = bfd_get_32 (core_bfd, data + 4);
+ }
+ else
+ {
+ sec = bfd_get_signed_64 (core_bfd, data);
+ usec = bfd_get_32 (core_bfd, data + 8);
+ }
+}
+
+/* Print out the contents of a signal set. */
+
+static void
+fbsd_print_sigset (const char *descr, unsigned char *sigset)
+{
+ printf_filtered ("%s: ", descr);
+ for (int i = 0; i < SIG_WORDS; i++)
+ printf_filtered ("%08x ",
+ (unsigned int) bfd_get_32 (core_bfd, sigset + i * 4));
+ printf_filtered ("\n");
+}
+
+/* Implement "info proc status" for a corefile. */
+
+static void
+fbsd_core_info_proc_status (struct gdbarch *gdbarch)
+{
+ const struct kinfo_proc_layout *kp;
+ asection *section;
+ const char *state;
+ unsigned char *descdata;
+ int addr_bit, long_bit;
+ size_t note_size;
+ ULONGEST value;
+ LONGEST sec;
+
+ section = bfd_get_section_by_name (core_bfd, ".note.freebsdcore.proc");
+ if (section == NULL)
+ {
+ warning (_("unable to find process info in core file"));
+ return;
+ }
+
+ addr_bit = gdbarch_addr_bit (gdbarch);
+ if (addr_bit == 64)
+ kp = &kinfo_proc_layout_64;
+ else if (bfd_get_arch (core_bfd) == bfd_arch_i386)
+ kp = &kinfo_proc_layout_i386;
+ else
+ kp = &kinfo_proc_layout_32;
+ long_bit = gdbarch_long_bit (gdbarch);
+
+ /*
+ * Ensure that the note is large enough for all of the fields fetched
+ * by this function. In particular, the note must contain the 32-bit
+ * structure size, then it must be long enough to access the last
+ * field used (ki_rusage_ch.ru_majflt) which is the size of a long.
+ */
+ note_size = bfd_get_section_size (section);
+ if (note_size < (4 + kp->ki_rusage_ch + kp->ru_majflt
+ + long_bit / TARGET_CHAR_BIT))
+ error (_("malformed core note - too short"));
+
+ gdb::def_vector<unsigned char> contents (note_size);
+ if (!bfd_get_section_contents (core_bfd, section, contents.data (),
+ 0, note_size))
+ error (_("could not get core note contents"));
+
+ descdata = contents.data ();
+
+ /* Skip over the structure size. */
+ descdata += 4;
+
+ /* Verify 'ki_layout' is 0. */
+ if (bfd_get_32 (core_bfd, descdata + kp->ki_layout) != 0)
+ {
+ warning (_("unsupported process information in core file"));
+ return;
+ }
+
+ printf_filtered ("Name: %.19s\n", descdata + kp->ki_comm);
+ printf_filtered ("Process ID: %s\n",
+ pulongest (bfd_get_32 (core_bfd, descdata + kp->ki_pid)));
+ printf_filtered ("Parent process: %s\n",
+ pulongest (bfd_get_32 (core_bfd, descdata + kp->ki_ppid)));
+ printf_filtered ("Process group: %s\n",
+ pulongest (bfd_get_32 (core_bfd, descdata + kp->ki_pgid)));
+ printf_filtered ("Session id: %s\n",
+ pulongest (bfd_get_32 (core_bfd, descdata + kp->ki_sid)));
+
+ /* FreeBSD 12.0 and later store a 64-bit dev_t at 'ki_tdev'. Older
+ kernels store a 32-bit dev_t at 'ki_tdev_freebsd11'. In older
+ kernels the 64-bit 'ki_tdev' field is in a reserved section of
+ the structure that is cleared to zero. Assume that a zero value
+ in ki_tdev indicates a core dump from an older kernel and use the
+ value in 'ki_tdev_freebsd11' instead. */
+ value = bfd_get_64 (core_bfd, descdata + kp->ki_tdev);
+ if (value == 0)
+ value = bfd_get_32 (core_bfd, descdata + kp->ki_tdev_freebsd11);
+ printf_filtered ("TTY: %s\n", pulongest (value));
+ printf_filtered ("TTY owner process group: %s\n",
+ pulongest (bfd_get_32 (core_bfd, descdata + kp->ki_tpgid)));
+ printf_filtered ("User IDs (real, effective, saved): %s %s %s\n",
+ pulongest (bfd_get_32 (core_bfd, descdata + kp->ki_ruid)),
+ pulongest (bfd_get_32 (core_bfd, descdata + kp->ki_uid)),
+ pulongest (bfd_get_32 (core_bfd, descdata + kp->ki_svuid)));
+ printf_filtered ("Group IDs (real, effective, saved): %s %s %s\n",
+ pulongest (bfd_get_32 (core_bfd, descdata + kp->ki_rgid)),
+ pulongest (bfd_get_32 (core_bfd, descdata + kp->ki_groups)),
+ pulongest (bfd_get_32 (core_bfd, descdata + kp->ki_svgid)));
+ printf_filtered ("Groups: ");
+ uint16_t ngroups = bfd_get_16 (core_bfd, descdata + kp->ki_ngroups);
+ for (int i = 0; i < ngroups; i++)
+ printf_filtered ("%s ",
+ pulongest (bfd_get_32 (core_bfd,
+ descdata + kp->ki_groups + i * 4)));
+ printf_filtered ("\n");
+ value = bfd_get (long_bit, core_bfd,
+ descdata + kp->ki_rusage + kp->ru_minflt);
+ printf_filtered ("Minor faults (no memory page): %s\n", pulongest (value));
+ value = bfd_get (long_bit, core_bfd,
+ descdata + kp->ki_rusage_ch + kp->ru_minflt);
+ printf_filtered ("Minor faults, children: %s\n", pulongest (value));
+ value = bfd_get (long_bit, core_bfd,
+ descdata + kp->ki_rusage + kp->ru_majflt);
+ printf_filtered ("Major faults (memory page faults): %s\n",
+ pulongest (value));
+ value = bfd_get (long_bit, core_bfd,
+ descdata + kp->ki_rusage_ch + kp->ru_majflt);
+ printf_filtered ("Major faults, children: %s\n", pulongest (value));
+ fbsd_core_fetch_timeval (gdbarch,
+ descdata + kp->ki_rusage + kp->ru_utime,
+ sec, value);
+ printf_filtered ("utime: %s.%06d\n", plongest (sec), (int) value);
+ fbsd_core_fetch_timeval (gdbarch,
+ descdata + kp->ki_rusage + kp->ru_stime,
+ sec, value);
+ printf_filtered ("stime: %s.%06d\n", plongest (sec), (int) value);
+ fbsd_core_fetch_timeval (gdbarch,
+ descdata + kp->ki_rusage_ch + kp->ru_utime,
+ sec, value);
+ printf_filtered ("utime, children: %s.%06d\n", plongest (sec), (int) value);
+ fbsd_core_fetch_timeval (gdbarch,
+ descdata + kp->ki_rusage_ch + kp->ru_stime,
+ sec, value);
+ printf_filtered ("stime, children: %s.%06d\n", plongest (sec), (int) value);
+ printf_filtered ("'nice' value: %d\n",
+ bfd_get_signed_8 (core_bfd, descdata + kp->ki_nice));
+ fbsd_core_fetch_timeval (gdbarch, descdata + kp->ki_start, sec, value);
+ printf_filtered ("Start time: %s.%06d\n", plongest (sec), (int) value);
+ printf_filtered ("Virtual memory size: %s kB\n",
+ pulongest (bfd_get (addr_bit, core_bfd,
+ descdata + kp->ki_size) / 1024));
+ printf_filtered ("Data size: %s pages\n",
+ pulongest (bfd_get (addr_bit, core_bfd,
+ descdata + kp->ki_dsize)));
+ printf_filtered ("Stack size: %s pages\n",
+ pulongest (bfd_get (addr_bit, core_bfd,
+ descdata + kp->ki_ssize)));
+ printf_filtered ("Text size: %s pages\n",
+ pulongest (bfd_get (addr_bit, core_bfd,
+ descdata + kp->ki_tsize)));
+ printf_filtered ("Resident set size: %s pages\n",
+ pulongest (bfd_get (addr_bit, core_bfd,
+ descdata + kp->ki_rssize)));
+ printf_filtered ("Maximum RSS: %s pages\n",
+ pulongest (bfd_get (long_bit, core_bfd,
+ descdata + kp->ki_rusage
+ + kp->ru_maxrss)));
+ fbsd_print_sigset ("Ignored Signals", descdata + kp->ki_sigignore);
+ fbsd_print_sigset ("Caught Signals", descdata + kp->ki_sigcatch);
+}
+
+/* Implement the "core_info_proc" gdbarch method. */
+
+static void
+fbsd_core_info_proc (struct gdbarch *gdbarch, const char *args,
+ enum info_proc_what what)
+{
+ bool do_cmdline = false;
+ bool do_cwd = false;
+ bool do_exe = false;
+ bool do_mappings = false;
+ bool do_status = false;
+ int pid;
+
+ switch (what)
+ {
+ case IP_MINIMAL:
+ do_cmdline = true;
+ do_cwd = true;
+ do_exe = true;
+ break;
+ case IP_MAPPINGS:
+ do_mappings = true;
+ break;
+ case IP_STATUS:
+ case IP_STAT:
+ do_status = true;
+ break;
+ case IP_CMDLINE:
+ do_cmdline = true;
+ break;
+ case IP_EXE:
+ do_exe = true;
+ break;
+ case IP_CWD:
+ do_cwd = true;
+ break;
+ case IP_ALL:
+ do_cmdline = true;
+ do_cwd = true;
+ do_exe = true;
+ do_mappings = true;
+ do_status = true;
+ break;
+ default:
+ return;
+ }
+
+ pid = bfd_core_file_pid (core_bfd);
+ if (pid != 0)
+ printf_filtered (_("process %d\n"), pid);
+
+ if (do_cmdline)
+ {
+ const char *cmdline;
+
+ cmdline = bfd_core_file_failing_command (core_bfd);
+ if (cmdline)
+ printf_filtered ("cmdline = '%s'\n", cmdline);
+ else
+ warning (_("Command line unavailable"));
+ }
+ if (do_cwd)
+ {
+ gdb::unique_xmalloc_ptr<char> cwd =
+ fbsd_core_vnode_path (gdbarch, KINFO_FILE_FD_TYPE_CWD);
+ if (cwd)
+ printf_filtered ("cwd = '%s'\n", cwd.get ());
+ else
+ warning (_("unable to read current working directory"));
+ }
+ if (do_exe)
+ {
+ gdb::unique_xmalloc_ptr<char> exe =
+ fbsd_core_vnode_path (gdbarch, KINFO_FILE_FD_TYPE_TEXT);
+ if (exe)
+ printf_filtered ("exe = '%s'\n", exe.get ());
+ else
+ warning (_("unable to read executable path name"));
+ }
+ if (do_mappings)
+ fbsd_core_info_proc_mappings (gdbarch);
+ if (do_status)
+ fbsd_core_info_proc_status (gdbarch);
+}
+
/* Print descriptions of FreeBSD-specific AUXV entries to FILE. */
static void
TAG (PAGESIZESLEN, _("Number of pagesizes"), AUXV_FORMAT_DEC);
TAG (TIMEKEEP, _("Pointer to timehands"), AUXV_FORMAT_HEX);
TAG (STACKPROT, _("Initial stack protection"), AUXV_FORMAT_HEX);
+ TAG (EHDRFLAGS, _("ELF header e_flags"), AUXV_FORMAT_HEX);
+ TAG (HWCAP, _("Machine-dependent CPU capability hints"), AUXV_FORMAT_HEX);
default:
default_print_auxv_entry (gdbarch, file, type, val);
return;
fprint_auxv_entry (file, name, description, format, type, val);
}
+/* Implement the "get_siginfo_type" gdbarch method. */
+
+static struct type *
+fbsd_get_siginfo_type (struct gdbarch *gdbarch)
+{
+ struct fbsd_gdbarch_data *fbsd_gdbarch_data;
+ struct type *int_type, *int32_type, *uint32_type, *long_type, *void_ptr_type;
+ struct type *uid_type, *pid_type;
+ struct type *sigval_type, *reason_type;
+ struct type *siginfo_type;
+ struct type *type;
+
+ fbsd_gdbarch_data = get_fbsd_gdbarch_data (gdbarch);
+ if (fbsd_gdbarch_data->siginfo_type != NULL)
+ return fbsd_gdbarch_data->siginfo_type;
+
+ int_type = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch),
+ 0, "int");
+ int32_type = arch_integer_type (gdbarch, 32, 0, "int32_t");
+ uint32_type = arch_integer_type (gdbarch, 32, 1, "uint32_t");
+ long_type = arch_integer_type (gdbarch, gdbarch_long_bit (gdbarch),
+ 0, "long");
+ void_ptr_type = lookup_pointer_type (builtin_type (gdbarch)->builtin_void);
+
+ /* union sigval */
+ sigval_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_UNION);
+ TYPE_NAME (sigval_type) = xstrdup ("sigval");
+ append_composite_type_field (sigval_type, "sival_int", int_type);
+ append_composite_type_field (sigval_type, "sival_ptr", void_ptr_type);
+
+ /* __pid_t */
+ pid_type = arch_type (gdbarch, TYPE_CODE_TYPEDEF,
+ TYPE_LENGTH (int32_type) * TARGET_CHAR_BIT, "__pid_t");
+ TYPE_TARGET_TYPE (pid_type) = int32_type;
+ TYPE_TARGET_STUB (pid_type) = 1;
+
+ /* __uid_t */
+ uid_type = arch_type (gdbarch, TYPE_CODE_TYPEDEF,
+ TYPE_LENGTH (uint32_type) * TARGET_CHAR_BIT,
+ "__uid_t");
+ TYPE_TARGET_TYPE (uid_type) = uint32_type;
+ TYPE_TARGET_STUB (uid_type) = 1;
+
+ /* _reason */
+ reason_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_UNION);
+
+ /* _fault */
+ type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
+ append_composite_type_field (type, "si_trapno", int_type);
+ append_composite_type_field (reason_type, "_fault", type);
+
+ /* _timer */
+ type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
+ append_composite_type_field (type, "si_timerid", int_type);
+ append_composite_type_field (type, "si_overrun", int_type);
+ append_composite_type_field (reason_type, "_timer", type);
+
+ /* _mesgq */
+ type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
+ append_composite_type_field (type, "si_mqd", int_type);
+ append_composite_type_field (reason_type, "_mesgq", type);
+
+ /* _poll */
+ type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
+ append_composite_type_field (type, "si_band", long_type);
+ append_composite_type_field (reason_type, "_poll", type);
+
+ /* __spare__ */
+ type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
+ append_composite_type_field (type, "__spare1__", long_type);
+ append_composite_type_field (type, "__spare2__",
+ init_vector_type (int_type, 7));
+ append_composite_type_field (reason_type, "__spare__", type);
+
+ /* struct siginfo */
+ siginfo_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
+ TYPE_NAME (siginfo_type) = xstrdup ("siginfo");
+ append_composite_type_field (siginfo_type, "si_signo", int_type);
+ append_composite_type_field (siginfo_type, "si_errno", int_type);
+ append_composite_type_field (siginfo_type, "si_code", int_type);
+ append_composite_type_field (siginfo_type, "si_pid", pid_type);
+ append_composite_type_field (siginfo_type, "si_uid", uid_type);
+ append_composite_type_field (siginfo_type, "si_status", int_type);
+ append_composite_type_field (siginfo_type, "si_addr", void_ptr_type);
+ append_composite_type_field (siginfo_type, "si_value", sigval_type);
+ append_composite_type_field (siginfo_type, "_reason", reason_type);
+
+ fbsd_gdbarch_data->siginfo_type = siginfo_type;
+
+ return siginfo_type;
+}
+
/* Implement the "get_syscall_number" gdbarch method. */
static LONGEST
{
set_gdbarch_core_pid_to_str (gdbarch, fbsd_core_pid_to_str);
set_gdbarch_core_thread_name (gdbarch, fbsd_core_thread_name);
+ set_gdbarch_core_xfer_siginfo (gdbarch, fbsd_core_xfer_siginfo);
set_gdbarch_make_corefile_notes (gdbarch, fbsd_make_corefile_notes);
+ set_gdbarch_core_info_proc (gdbarch, fbsd_core_info_proc);
set_gdbarch_print_auxv_entry (gdbarch, fbsd_print_auxv_entry);
+ set_gdbarch_get_siginfo_type (gdbarch, fbsd_get_siginfo_type);
/* `catch syscall' */
set_xml_syscall_file_name (gdbarch, "syscalls/freebsd.xml");
set_gdbarch_get_syscall_number (gdbarch, fbsd_get_syscall_number);
}
+
+void
+_initialize_fbsd_tdep (void)
+{
+ fbsd_gdbarch_data_handle =
+ gdbarch_data_register_post_init (init_fbsd_gdbarch_data);
+}
projects / deliverable / binutils-gdb.git / blobdiff