usr.bin/gcore/elf32core.c

   1 /* $FreeBSD$ */
   2 #ifndef __LP64__
   3 #error "this file must be compiled for LP64."
   4 #endif
   5
   6 #define __ELF_WORD_SIZE 32
   7 #define _MACHINE_ELF_WANT_32BIT
   8 #define _WANT_LWPINFO32
   9
  10 #include <sys/procfs.h>
  11
  12 #define ELFCORE_COMPAT_32       1
  13 #include "elfcore.c"
  14
  15 static void
  16 elf_convert_gregset(elfcore_gregset_t *rd, struct reg *rs)
  17 {
  18 #ifdef __amd64__
  19         rd->r_gs = rs->r_gs;
  20         rd->r_fs = rs->r_fs;
  21         rd->r_es = rs->r_es;
  22         rd->r_ds = rs->r_ds;
  23         rd->r_edi = rs->r_rdi;
  24         rd->r_esi = rs->r_rsi;
  25         rd->r_ebp = rs->r_rbp;
  26         rd->r_ebx = rs->r_rbx;
  27         rd->r_edx = rs->r_rdx;
  28         rd->r_ecx = rs->r_rcx;
  29         rd->r_eax = rs->r_rax;
  30         rd->r_eip = rs->r_rip;
  31         rd->r_cs = rs->r_cs;
  32         rd->r_eflags = rs->r_rflags;
  33         rd->r_esp = rs->r_rsp;
  34         rd->r_ss = rs->r_ss;
  35 #else
  36 #error Unsupported architecture
  37 #endif
  38 }
  39
  40 static void
  41 elf_convert_fpregset(elfcore_fpregset_t *rd, struct fpreg *rs)
  42 {
  43 #ifdef __amd64__
  44         /* XXX this is wrong... */
  45         memcpy(rd, rs, sizeof(*rd));
  46 #else
  47 #error Unsupported architecture
  48 #endif
  49 }
  50
  51 static void
  52 elf_convert_siginfo(struct siginfo32 *sid, siginfo_t *sis)
  53 {
  54
  55         bzero(sid, sizeof(*sid));
  56         sid->si_signo = sis->si_signo;
  57         sid->si_errno = sis->si_errno;
  58         sid->si_code = sis->si_code;
  59         sid->si_pid = sis->si_pid;
  60         sid->si_uid = sis->si_uid;
  61         sid->si_status = sis->si_status;
  62         sid->si_addr = (uintptr_t)sis->si_addr;
  63 #if _BYTE_ORDER == _BIG_ENDIAN
  64         if (sis->si_value.sival_int == 0)
  65                 sid->si_value.sival_ptr = (uintptr_t)sis->si_value.sival_ptr;
  66         else
  67 #endif
  68                 sid->si_value.sival_int = sis->si_value.sival_int;
  69         sid->si_timerid = sis->si_timerid;
  70         sid->si_overrun = sis->si_overrun;
  71 }
  72
  73 static void
  74 elf_convert_lwpinfo(struct ptrace_lwpinfo32 *pld, struct ptrace_lwpinfo *pls)
  75 {
  76
  77         pld->pl_lwpid = pls->pl_lwpid;
  78         pld->pl_event = pls->pl_event;
  79         pld->pl_flags = pls->pl_flags;
  80         pld->pl_sigmask = pls->pl_sigmask;
  81         pld->pl_siglist = pls->pl_siglist;
  82         elf_convert_siginfo(&pld->pl_siginfo, &pls->pl_siginfo);
  83         memcpy(pld->pl_tdname, pls->pl_tdname, sizeof(pld->pl_tdname));
  84         pld->pl_child_pid = pls->pl_child_pid;
  85         pld->pl_syscall_code = pls->pl_syscall_code;
  86         pld->pl_syscall_narg = pls->pl_syscall_narg;
  87 }
  88