diff options
Diffstat (limited to 'gdb/arm-fbsd-tdep.c')
-rw-r--r-- | gdb/arm-fbsd-tdep.c | 133 |
1 files changed, 57 insertions, 76 deletions
diff --git a/gdb/arm-fbsd-tdep.c b/gdb/arm-fbsd-tdep.c index acafc4a..b626615 100644 --- a/gdb/arm-fbsd-tdep.c +++ b/gdb/arm-fbsd-tdep.c @@ -35,30 +35,24 @@ /* Register maps. */ -static const struct regcache_map_entry arm_fbsd_gregmap[] = - { - { 13, ARM_A1_REGNUM, 4 }, /* r0 ... r12 */ - { 1, ARM_SP_REGNUM, 4 }, - { 1, ARM_LR_REGNUM, 4 }, - { 1, ARM_PC_REGNUM, 4 }, - { 1, ARM_PS_REGNUM, 4 }, - { 0 } - }; - -static const struct regcache_map_entry arm_fbsd_vfpregmap[] = - { - { 32, ARM_D0_REGNUM, 8 }, /* d0 ... d31 */ - { 1, ARM_FPSCR_REGNUM, 4 }, - { 0 } - }; +static const struct regcache_map_entry arm_fbsd_gregmap[] + = { { 13, ARM_A1_REGNUM, 4 }, /* r0 ... r12 */ + { 1, ARM_SP_REGNUM, 4 }, + { 1, ARM_LR_REGNUM, 4 }, + { 1, ARM_PC_REGNUM, 4 }, + { 1, ARM_PS_REGNUM, 4 }, + { 0 } }; + +static const struct regcache_map_entry arm_fbsd_vfpregmap[] + = { { 32, ARM_D0_REGNUM, 8 }, /* d0 ... d31 */ + { 1, ARM_FPSCR_REGNUM, 4 }, + { 0 } }; /* Register numbers are relative to tdep->tls_regnum. */ -static const struct regcache_map_entry arm_fbsd_tls_regmap[] = - { - { 1, 0, 4 }, /* tpidruro */ - { 0 } - }; +static const struct regcache_map_entry arm_fbsd_tls_regmap[] + = { { 1, 0, 4 }, /* tpidruro */ + { 0 } }; /* In a signal frame, sp points to a 'struct sigframe' which is defined as: @@ -97,72 +91,60 @@ static const struct regcache_map_entry arm_fbsd_tls_regmap[] = the sigframe, otherwise it is NULL. There is no non-VFP floating point register state saved in the signal frame. */ -#define ARM_SIGFRAME_UCONTEXT_OFFSET 64 -#define ARM_UCONTEXT_MCONTEXT_OFFSET 16 -#define ARM_MCONTEXT_VFP_PTR_OFFSET 72 +#define ARM_SIGFRAME_UCONTEXT_OFFSET 64 +#define ARM_UCONTEXT_MCONTEXT_OFFSET 16 +#define ARM_MCONTEXT_VFP_PTR_OFFSET 72 /* Implement the "init" method of struct tramp_frame. */ static void arm_fbsd_sigframe_init (const struct tramp_frame *self, frame_info_ptr this_frame, - struct trad_frame_cache *this_cache, - CORE_ADDR func) + struct trad_frame_cache *this_cache, CORE_ADDR func) { struct gdbarch *gdbarch = get_frame_arch (this_frame); enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); CORE_ADDR sp = get_frame_register_unsigned (this_frame, ARM_SP_REGNUM); - CORE_ADDR mcontext_addr = (sp - + ARM_SIGFRAME_UCONTEXT_OFFSET - + ARM_UCONTEXT_MCONTEXT_OFFSET); + CORE_ADDR mcontext_addr + = (sp + ARM_SIGFRAME_UCONTEXT_OFFSET + ARM_UCONTEXT_MCONTEXT_OFFSET); ULONGEST mcontext_vfp_addr; trad_frame_set_reg_regmap (this_cache, arm_fbsd_gregmap, mcontext_addr, regcache_map_entry_size (arm_fbsd_gregmap)); if (safe_read_memory_unsigned_integer (mcontext_addr - + ARM_MCONTEXT_VFP_PTR_OFFSET, 4, - byte_order, - &mcontext_vfp_addr) + + ARM_MCONTEXT_VFP_PTR_OFFSET, + 4, byte_order, &mcontext_vfp_addr) && mcontext_vfp_addr != 0) - trad_frame_set_reg_regmap (this_cache, arm_fbsd_vfpregmap, mcontext_vfp_addr, + trad_frame_set_reg_regmap (this_cache, arm_fbsd_vfpregmap, + mcontext_vfp_addr, regcache_map_entry_size (arm_fbsd_vfpregmap)); trad_frame_set_id (this_cache, frame_id_build (sp, func)); } -static const struct tramp_frame arm_fbsd_sigframe = -{ - SIGTRAMP_FRAME, - 4, - { - {0xe1a0000d, ULONGEST_MAX}, /* mov r0, sp */ - {0xe2800040, ULONGEST_MAX}, /* add r0, r0, #SIGF_UC */ - {0xe59f700c, ULONGEST_MAX}, /* ldr r7, [pc, #12] */ - {0xef0001a1, ULONGEST_MAX}, /* swi SYS_sigreturn */ - {TRAMP_SENTINEL_INSN, ULONGEST_MAX} - }, - arm_fbsd_sigframe_init -}; +static const struct tramp_frame arm_fbsd_sigframe + = { SIGTRAMP_FRAME, + 4, + { { 0xe1a0000d, ULONGEST_MAX }, /* mov r0, sp */ + { 0xe2800040, ULONGEST_MAX }, /* add r0, r0, #SIGF_UC */ + { 0xe59f700c, ULONGEST_MAX }, /* ldr r7, [pc, #12] */ + { 0xef0001a1, ULONGEST_MAX }, /* swi SYS_sigreturn */ + { TRAMP_SENTINEL_INSN, ULONGEST_MAX } }, + arm_fbsd_sigframe_init }; /* Register set definitions. */ -const struct regset arm_fbsd_gregset = - { - arm_fbsd_gregmap, - regcache_supply_regset, regcache_collect_regset - }; +const struct regset arm_fbsd_gregset + = { arm_fbsd_gregmap, regcache_supply_regset, regcache_collect_regset }; -const struct regset arm_fbsd_vfpregset = - { - arm_fbsd_vfpregmap, - regcache_supply_regset, regcache_collect_regset - }; +const struct regset arm_fbsd_vfpregset + = { arm_fbsd_vfpregmap, regcache_supply_regset, regcache_collect_regset }; static void arm_fbsd_supply_tls_regset (const struct regset *regset, - struct regcache *regcache, - int regnum, const void *buf, size_t size) + struct regcache *regcache, int regnum, + const void *buf, size_t size) { struct gdbarch *gdbarch = regcache->arch (); arm_gdbarch_tdep *tdep = gdbarch_tdep<arm_gdbarch_tdep> (gdbarch); @@ -172,8 +154,8 @@ arm_fbsd_supply_tls_regset (const struct regset *regset, static void arm_fbsd_collect_tls_regset (const struct regset *regset, - const struct regcache *regcache, - int regnum, void *buf, size_t size) + const struct regcache *regcache, int regnum, + void *buf, size_t size) { struct gdbarch *gdbarch = regcache->arch (); arm_gdbarch_tdep *tdep = gdbarch_tdep<arm_gdbarch_tdep> (gdbarch); @@ -181,11 +163,9 @@ arm_fbsd_collect_tls_regset (const struct regset *regset, regcache->collect_regset (regset, tdep->tls_regnum, regnum, buf, size); } -const struct regset arm_fbsd_tls_regset = - { - arm_fbsd_tls_regmap, - arm_fbsd_supply_tls_regset, arm_fbsd_collect_tls_regset - }; +const struct regset arm_fbsd_tls_regset + = { arm_fbsd_tls_regmap, arm_fbsd_supply_tls_regset, + arm_fbsd_collect_tls_regset }; /* Implement the "iterate_over_regset_sections" gdbarch method. */ @@ -222,7 +202,8 @@ arm_fbsd_read_description_auxv (const gdb::optional<gdb::byte_vector> &auxv, if (!auxv.has_value () || target_auxv_search (*auxv, target, gdbarch, AT_FREEBSD_HWCAP, - &arm_hwcap) != 1) + &arm_hwcap) + != 1) return arm_read_description (ARM_FP_TYPE_NONE, tls); if (arm_hwcap & HWCAP_VFP) @@ -247,21 +228,20 @@ arm_fbsd_read_description_auxv (bool tls) gdb::optional<gdb::byte_vector> auxv = target_read_auxv (); return arm_fbsd_read_description_auxv (auxv, current_inferior ()->top_target (), - current_inferior ()->gdbarch, - tls); + current_inferior ()->gdbarch, tls); } /* Implement the "core_read_description" gdbarch method. */ static const struct target_desc * arm_fbsd_core_read_description (struct gdbarch *gdbarch, - struct target_ops *target, - bfd *abfd) + struct target_ops *target, bfd *abfd) { asection *tls = bfd_get_section_by_name (abfd, ".reg-aarch-tls"); gdb::optional<gdb::byte_vector> auxv = target_read_auxv_raw (target); - return arm_fbsd_read_description_auxv (auxv, target, gdbarch, tls != nullptr); + return arm_fbsd_read_description_auxv (auxv, target, gdbarch, + tls != nullptr); } /* Implement the get_thread_local_address gdbarch method. */ @@ -280,7 +260,7 @@ arm_fbsd_get_thread_local_address (struct gdbarch *gdbarch, ptid_t ptid, ULONGEST tpidruro; if (regcache->cooked_read (tdep->tls_regnum, &tpidruro) != REG_VALID) - error (_("Unable to fetch %%tpidruro")); + error (_ ("Unable to fetch %%tpidruro")); /* %tpidruro points to the TCB whose first member is the dtv pointer. */ @@ -303,14 +283,14 @@ arm_fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) tramp_frame_prepend_unwinder (gdbarch, &arm_fbsd_sigframe); - set_solib_svr4_fetch_link_map_offsets - (gdbarch, svr4_ilp32_fetch_link_map_offsets); + set_solib_svr4_fetch_link_map_offsets (gdbarch, + svr4_ilp32_fetch_link_map_offsets); tdep->jb_pc = 24; tdep->jb_elt_size = 4; - set_gdbarch_iterate_over_regset_sections - (gdbarch, arm_fbsd_iterate_over_regset_sections); + set_gdbarch_iterate_over_regset_sections ( + gdbarch, arm_fbsd_iterate_over_regset_sections); set_gdbarch_core_read_description (gdbarch, arm_fbsd_core_read_description); if (tdep->tls_regnum > 0) @@ -326,6 +306,7 @@ arm_fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) } void _initialize_arm_fbsd_tdep (); + void _initialize_arm_fbsd_tdep () { |