diff options
Diffstat (limited to 'gdb/ppc-linux-tdep.c')
| -rw-r--r-- | gdb/ppc-linux-tdep.c | 98 |
1 files changed, 24 insertions, 74 deletions
diff --git a/gdb/ppc-linux-tdep.c b/gdb/ppc-linux-tdep.c index 316b254..7ab3255 100644 --- a/gdb/ppc-linux-tdep.c +++ b/gdb/ppc-linux-tdep.c @@ -257,54 +257,6 @@ ppc_linux_return_value (struct gdbarch *gdbarch, struct value *function, readbuf, writebuf); } -static struct core_regset_section ppc_linux_vsx_regset_sections[] = -{ - { ".reg", 48 * 4, "general-purpose" }, - { ".reg2", 264, "floating-point" }, - { ".reg-ppc-vmx", 544, "ppc Altivec" }, - { ".reg-ppc-vsx", 256, "POWER7 VSX" }, - { NULL, 0} -}; - -static struct core_regset_section ppc_linux_vmx_regset_sections[] = -{ - { ".reg", 48 * 4, "general-purpose" }, - { ".reg2", 264, "floating-point" }, - { ".reg-ppc-vmx", 544, "ppc Altivec" }, - { NULL, 0} -}; - -static struct core_regset_section ppc_linux_fp_regset_sections[] = -{ - { ".reg", 48 * 4, "general-purpose" }, - { ".reg2", 264, "floating-point" }, - { NULL, 0} -}; - -static struct core_regset_section ppc64_linux_vsx_regset_sections[] = -{ - { ".reg", 48 * 8, "general-purpose" }, - { ".reg2", 264, "floating-point" }, - { ".reg-ppc-vmx", 544, "ppc Altivec" }, - { ".reg-ppc-vsx", 256, "POWER7 VSX" }, - { NULL, 0} -}; - -static struct core_regset_section ppc64_linux_vmx_regset_sections[] = -{ - { ".reg", 48 * 8, "general-purpose" }, - { ".reg2", 264, "floating-point" }, - { ".reg-ppc-vmx", 544, "ppc Altivec" }, - { NULL, 0} -}; - -static struct core_regset_section ppc64_linux_fp_regset_sections[] = -{ - { ".reg", 48 * 8, "general-purpose" }, - { ".reg2", 264, "floating-point" }, - { NULL, 0} -}; - /* PLT stub in executable. */ static struct ppc_insn_pattern powerpc32_plt_stub[] = { @@ -558,6 +510,28 @@ ppc_linux_regset_from_core_section (struct gdbarch *core_arch, return NULL; } +/* Iterate over supported core file register note sections. */ + +static void +ppc_linux_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); + int have_altivec = tdep->ppc_vr0_regnum != -1; + int have_vsx = tdep->ppc_vsr0_upper_regnum != -1; + + cb (".reg", 48 * tdep->wordsize, "general-purpose", cb_data); + cb (".reg2", 264, "floating-point", cb_data); + + if (have_altivec) + cb (".reg-ppc-vmx", 544, "ppc Altivec", cb_data); + + if (have_vsx) + cb (".reg-ppc-vsx", 256, "POWER7 VSX", cb_data); +} + static void ppc_linux_sigtramp_cache (struct frame_info *this_frame, struct trad_frame_cache *this_cache, @@ -1352,19 +1326,6 @@ ppc_linux_init_abi (struct gdbarch_info info, else set_gdbarch_gcore_bfd_target (gdbarch, "elf32-powerpc"); - /* Supported register sections. */ - if (tdesc_find_feature (info.target_desc, - "org.gnu.gdb.power.vsx")) - set_gdbarch_core_regset_sections (gdbarch, - ppc_linux_vsx_regset_sections); - else if (tdesc_find_feature (info.target_desc, - "org.gnu.gdb.power.altivec")) - set_gdbarch_core_regset_sections (gdbarch, - ppc_linux_vmx_regset_sections); - else - set_gdbarch_core_regset_sections (gdbarch, - ppc_linux_fp_regset_sections); - if (powerpc_so_ops.in_dynsym_resolve_code == NULL) { powerpc_so_ops = svr4_so_ops; @@ -1416,19 +1377,6 @@ ppc_linux_init_abi (struct gdbarch_info info, set_gdbarch_gcore_bfd_target (gdbarch, "elf64-powerpcle"); else set_gdbarch_gcore_bfd_target (gdbarch, "elf64-powerpc"); - - /* Supported register sections. */ - if (tdesc_find_feature (info.target_desc, - "org.gnu.gdb.power.vsx")) - set_gdbarch_core_regset_sections (gdbarch, - ppc64_linux_vsx_regset_sections); - else if (tdesc_find_feature (info.target_desc, - "org.gnu.gdb.power.altivec")) - set_gdbarch_core_regset_sections (gdbarch, - ppc64_linux_vmx_regset_sections); - else - set_gdbarch_core_regset_sections (gdbarch, - ppc64_linux_fp_regset_sections); } /* PPC32 uses a different prpsinfo32 compared to most other Linux @@ -1440,6 +1388,8 @@ ppc_linux_init_abi (struct gdbarch_info info, set_gdbarch_regset_from_core_section (gdbarch, ppc_linux_regset_from_core_section); set_gdbarch_core_read_description (gdbarch, ppc_linux_core_read_description); + set_gdbarch_iterate_over_regset_sections (gdbarch, + ppc_linux_iterate_over_regset_sections); /* Enable TLS support. */ set_gdbarch_fetch_tls_load_module_address (gdbarch, |