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51645e836d
Process core notes for a 32-bit process running on a 64-bit host need to use 32-bit structures so that the note layout matches the layout of notes of a core dump of a 32-bit process under a 32-bit kernel. Reviewed by: kib Differential Revision: https://reviews.freebsd.org/D11407
89 lines
2.0 KiB
C
89 lines
2.0 KiB
C
/* $FreeBSD$ */
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#ifndef __LP64__
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#error "this file must be compiled for LP64."
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#endif
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#define __ELF_WORD_SIZE 32
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#define _MACHINE_ELF_WANT_32BIT
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#define _WANT_LWPINFO32
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#include <sys/procfs.h>
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#define ELFCORE_COMPAT_32 1
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#include "elfcore.c"
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static void
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elf_convert_gregset(elfcore_gregset_t *rd, struct reg *rs)
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{
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#ifdef __amd64__
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rd->r_gs = rs->r_gs;
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rd->r_fs = rs->r_fs;
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rd->r_es = rs->r_es;
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rd->r_ds = rs->r_ds;
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rd->r_edi = rs->r_rdi;
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rd->r_esi = rs->r_rsi;
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rd->r_ebp = rs->r_rbp;
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rd->r_ebx = rs->r_rbx;
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rd->r_edx = rs->r_rdx;
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rd->r_ecx = rs->r_rcx;
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rd->r_eax = rs->r_rax;
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rd->r_eip = rs->r_rip;
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rd->r_cs = rs->r_cs;
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rd->r_eflags = rs->r_rflags;
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rd->r_esp = rs->r_rsp;
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rd->r_ss = rs->r_ss;
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#else
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#error Unsupported architecture
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#endif
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}
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static void
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elf_convert_fpregset(elfcore_fpregset_t *rd, struct fpreg *rs)
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{
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#ifdef __amd64__
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/* XXX this is wrong... */
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memcpy(rd, rs, sizeof(*rd));
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#else
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#error Unsupported architecture
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#endif
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}
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static void
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elf_convert_siginfo(struct siginfo32 *sid, siginfo_t *sis)
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{
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bzero(sid, sizeof(*sid));
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sid->si_signo = sis->si_signo;
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sid->si_errno = sis->si_errno;
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sid->si_code = sis->si_code;
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sid->si_pid = sis->si_pid;
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sid->si_uid = sis->si_uid;
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sid->si_status = sis->si_status;
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sid->si_addr = (uintptr_t)sis->si_addr;
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#if _BYTE_ORDER == _BIG_ENDIAN
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if (sis->si_value.sival_int == 0)
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sid->si_value.sival_ptr = (uintptr_t)sis->si_value.sival_ptr;
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else
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#endif
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sid->si_value.sival_int = sis->si_value.sival_int;
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sid->si_timerid = sis->si_timerid;
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sid->si_overrun = sis->si_overrun;
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}
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static void
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elf_convert_lwpinfo(struct ptrace_lwpinfo32 *pld, struct ptrace_lwpinfo *pls)
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{
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pld->pl_lwpid = pls->pl_lwpid;
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pld->pl_event = pls->pl_event;
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pld->pl_flags = pls->pl_flags;
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pld->pl_sigmask = pls->pl_sigmask;
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pld->pl_siglist = pls->pl_siglist;
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elf_convert_siginfo(&pld->pl_siginfo, &pls->pl_siginfo);
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memcpy(pld->pl_tdname, pls->pl_tdname, sizeof(pld->pl_tdname));
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pld->pl_child_pid = pls->pl_child_pid;
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pld->pl_syscall_code = pls->pl_syscall_code;
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pld->pl_syscall_narg = pls->pl_syscall_narg;
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}
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