xref: /freebsd/usr.bin/gcore/elf32core.c (revision d6b92ffa)
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 
89