static void
amd64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
amd64_init_abi (info, gdbarch);
obsd_init_abi (info, gdbarch);
/* Initialize general-purpose register set details. */
tdep->gregset_reg_offset = amd64obsd_r_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (amd64obsd_r_reg_offset);
tdep->sizeof_gregset = 24 * 8;
tdep->jb_pc_offset = 7 * 8;
tdep->sigtramp_p = amd64obsd_sigtramp_p;
tdep->sigcontext_addr = amd64obsd_sigcontext_addr;
tdep->sc_reg_offset = amd64obsd_sc_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (amd64obsd_sc_reg_offset);
/* OpenBSD provides a user-level threads implementation. */
bsd_uthread_set_supply_uthread (gdbarch, amd64obsd_supply_uthread);
bsd_uthread_set_collect_uthread (gdbarch, amd64obsd_collect_uthread);
/* OpenBSD uses SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
/* Unwind kernel trap frames correctly. */
frame_unwind_prepend_unwinder (gdbarch, &amd64obsd_trapframe_unwind);
}
static void
amd64dfly_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* DragonFly is BSD-based. */
i386bsd_init_abi (info, gdbarch);
tdep->gregset_reg_offset = amd64dfly_r_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (amd64dfly_r_reg_offset);
tdep->sizeof_gregset = 25 * 8;
amd64_init_abi (info, gdbarch);
tdep->sigtramp_start = amd64dfly_sigtramp_start_addr;
tdep->sigtramp_end = amd64dfly_sigtramp_end_addr;
tdep->sigcontext_addr = amd64dfly_sigcontext_addr;
tdep->sc_reg_offset = amd64dfly_sc_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (amd64dfly_sc_reg_offset);
/* DragonFly provides a user-level threads implementation. */
bsd_uthread_set_supply_uthread (gdbarch, amd64dfly_supply_uthread);
bsd_uthread_set_collect_uthread (gdbarch, amd64dfly_collect_uthread);
/* DragonFly uses SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
}
static void
i386fbsdaout_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Obviously FreeBSD is BSD-based. */
i386bsd_init_abi (info, gdbarch);
/* FreeBSD has a different `struct reg', and reserves some space for
its FPU emulator in `struct fpreg'. */
tdep->gregset_reg_offset = i386fbsd_r_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (i386fbsd_r_reg_offset);
tdep->sizeof_gregset = 18 * 4;
tdep->sizeof_fpregset = 176;
/* FreeBSD uses -freg-struct-return by default. */
tdep->struct_return = reg_struct_return;
/* FreeBSD uses a different memory layout. */
tdep->sigtramp_start = i386fbsd_sigtramp_start_addr;
tdep->sigtramp_end = i386fbsd_sigtramp_end_addr;
/* FreeBSD has a more complete `struct sigcontext'. */
tdep->sc_reg_offset = i386fbsd_sc_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (i386fbsd_sc_reg_offset);
/* FreeBSD provides a user-level threads implementation. */
bsd_uthread_set_supply_uthread (gdbarch, i386fbsd_supply_uthread);
bsd_uthread_set_collect_uthread (gdbarch, i386fbsd_collect_uthread);
}
static void
sparc64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->gregset = &sparc64obsd_gregset;
tdep->sizeof_gregset = 288;
tdep->fpregset = &sparc64obsd_fpregset;
tdep->sizeof_fpregset = 272;
/* Make sure we can single-step "new" syscalls. */
tdep->step_trap = sparcnbsd_step_trap;
frame_unwind_append_unwinder (gdbarch, &sparc64obsd_frame_unwind);
frame_unwind_append_unwinder (gdbarch, &sparc64obsd_trapframe_unwind);
sparc64_init_abi (info, gdbarch);
obsd_init_abi (info, gdbarch);
/* OpenBSD/sparc64 has SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
set_gdbarch_skip_solib_resolver (gdbarch, obsd_skip_solib_resolver);
/* OpenBSD provides a user-level threads implementation. */
bsd_uthread_set_supply_uthread (gdbarch, sparc64obsd_supply_uthread);
bsd_uthread_set_collect_uthread (gdbarch, sparc64obsd_collect_uthread);
}
static void
i386obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Obviously OpenBSD is BSD-based. */
i386bsd_init_abi (info, gdbarch);
/* OpenBSD has a different `struct reg'. */
tdep->gregset_reg_offset = i386obsd_r_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (i386obsd_r_reg_offset);
tdep->sizeof_gregset = 16 * 4;
/* OpenBSD uses -freg-struct-return by default. */
tdep->struct_return = reg_struct_return;
/* OpenBSD uses a different memory layout. */
tdep->sigtramp_start = i386obsd_sigtramp_start_addr;
tdep->sigtramp_end = i386obsd_sigtramp_end_addr;
tdep->sigtramp_p = i386obsd_sigtramp_p;
/* OpenBSD has a `struct sigcontext' that's different from the
original 4.3 BSD. */
tdep->sc_reg_offset = i386obsd_sc_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (i386obsd_sc_reg_offset);
/* OpenBSD provides a user-level threads implementation. */
bsd_uthread_set_supply_uthread (gdbarch, i386obsd_supply_uthread);
bsd_uthread_set_collect_uthread (gdbarch, i386obsd_collect_uthread);
/* Unwind kernel trap frames correctly. */
frame_unwind_prepend_unwinder (gdbarch, &i386obsd_trapframe_unwind);
}
static void
sparc32obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
/* OpenBSD/sparc is very similar to NetBSD/sparc ELF. */
sparc32nbsd_init_abi (info, gdbarch);
set_gdbarch_skip_solib_resolver (gdbarch, obsd_skip_solib_resolver);
frame_unwind_append_unwinder (gdbarch, &sparc32obsd_sigtramp_frame_unwind);
/* OpenBSD provides a user-level threads implementation. */
bsd_uthread_set_supply_uthread (gdbarch, sparc32obsd_supply_uthread);
bsd_uthread_set_collect_uthread (gdbarch, sparc32obsd_collect_uthread);
}