diff options
Diffstat (limited to 'gdb/amd64fbsd-tdep.c')
| -rw-r--r-- | gdb/amd64fbsd-tdep.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gdb/amd64fbsd-tdep.c b/gdb/amd64fbsd-tdep.c index 62dcb83..52705d9 100644 --- a/gdb/amd64fbsd-tdep.c +++ b/gdb/amd64fbsd-tdep.c @@ -23,6 +23,9 @@ #include "gdbcore.h" #include "regcache.h" #include "osabi.h" +#include "regset.h" +#include "i386fbsd-tdep.h" +#include "x86-xstate.h" #include "amd64-tdep.h" #include "bsd-uthread.h" @@ -169,6 +172,59 @@ static int amd64fbsd_jmp_buf_reg_offset[] = 0 * 8 /* %rip */ }; +/* Implement the core_read_description gdbarch method. */ + +static const struct target_desc * +amd64fbsd_core_read_description (struct gdbarch *gdbarch, + struct target_ops *target, + bfd *abfd) +{ + return amd64_target_description (i386fbsd_core_read_xcr0 (abfd)); +} + +/* Similar to amd64_supply_fpregset, but use XSAVE extended state. */ + +static void +amd64fbsd_supply_xstateregset (const struct regset *regset, + struct regcache *regcache, int regnum, + const void *xstateregs, size_t len) +{ + amd64_supply_xsave (regcache, regnum, xstateregs); +} + +/* Similar to amd64_collect_fpregset, but use XSAVE extended state. */ + +static void +amd64fbsd_collect_xstateregset (const struct regset *regset, + const struct regcache *regcache, + int regnum, void *xstateregs, size_t len) +{ + amd64_collect_xsave (regcache, regnum, xstateregs, 1); +} + +static const struct regset amd64fbsd_xstateregset = + { + NULL, + amd64fbsd_supply_xstateregset, + amd64fbsd_collect_xstateregset + }; + +/* Iterate over core file register note sections. */ + +static void +amd64fbsd_iterate_over_regset_sections (struct gdbarch *gdbarch, + iterate_over_regset_sections_cb *cb, + void *cb_data, + const struct regcache *regcache) +{ + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + + cb (".reg", tdep->sizeof_gregset, &i386_gregset, NULL, cb_data); + cb (".reg2", tdep->sizeof_fpregset, &amd64_fpregset, NULL, cb_data); + cb (".reg-xstate", X86_XSTATE_SIZE(tdep->xcr0), + &amd64fbsd_xstateregset, "XSAVE extended state", cb_data); +} + static void amd64fbsd_supply_uthread (struct regcache *regcache, int regnum, CORE_ADDR addr) @@ -233,6 +289,15 @@ amd64fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) tdep->sc_reg_offset = amd64fbsd_sc_reg_offset; tdep->sc_num_regs = ARRAY_SIZE (amd64fbsd_sc_reg_offset); + tdep->xsave_xcr0_offset = I386_FBSD_XSAVE_XCR0_OFFSET; + + /* Iterate over core file register note sections. */ + set_gdbarch_iterate_over_regset_sections + (gdbarch, amd64fbsd_iterate_over_regset_sections); + + set_gdbarch_core_read_description (gdbarch, + amd64fbsd_core_read_description); + /* FreeBSD provides a user-level threads implementation. */ bsd_uthread_set_supply_uthread (gdbarch, amd64fbsd_supply_uthread); bsd_uthread_set_collect_uthread (gdbarch, amd64fbsd_collect_uthread); |