diff options
Diffstat (limited to 'gdb/i386-linux-tdep.c')
| -rw-r--r-- | gdb/i386-linux-tdep.c | 54 |
1 files changed, 23 insertions, 31 deletions
diff --git a/gdb/i386-linux-tdep.c b/gdb/i386-linux-tdep.c index b3707f7..4ee6874 100644 --- a/gdb/i386-linux-tdep.c +++ b/gdb/i386-linux-tdep.c @@ -52,28 +52,6 @@ #include "features/i386/i386-avx-linux.c" #include "features/i386/i386-avx512-linux.c" -/* Supported register note sections. */ -static struct core_regset_section i386_linux_regset_sections[] = -{ - { ".reg", 68, "general-purpose" }, - { ".reg2", 108, "floating-point" }, - { NULL, 0 } -}; - -static struct core_regset_section i386_linux_sse_regset_sections[] = -{ - { ".reg", 68, "general-purpose" }, - { ".reg-xfp", 512, "extended floating-point" }, - { NULL, 0 } -}; - -static struct core_regset_section i386_linux_avx_regset_sections[] = -{ - { ".reg", 68, "general-purpose" }, - { ".reg-xstate", X86_XSTATE_MAX_SIZE, "XSAVE extended state" }, - { NULL, 0 } -}; - /* Return non-zero, when the register is in the corresponding register group. Put the LINUX_ORIG_EAX register in the system group. */ static int @@ -670,6 +648,26 @@ i386_linux_core_read_description (struct gdbarch *gdbarch, return tdesc_i386_mmx_linux; } +/* Iterate over core file register note sections. */ + +static void +i386_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); + + cb (".reg", 68, "general-purpose", cb_data); + + if (tdep->xcr0 & X86_XSTATE_AVX) + cb (".reg-xstate", X86_XSTATE_MAX_SIZE, "XSAVE extended state", cb_data); + else if (tdep->xcr0 & X86_XSTATE_SSE) + cb (".reg-xfp", 512, "extended floating-point", cb_data); + else + cb (".reg2", 108, "floating-point", cb_data); +} + /* Linux kernel shows PC value after the 'int $0x80' instruction even if inferior is still inside the syscall. On next PTRACE_SINGLESTEP it will finish the syscall but PC will not change. @@ -948,15 +946,9 @@ i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) set_gdbarch_fetch_tls_load_module_address (gdbarch, svr4_fetch_objfile_link_map); - /* Install supported register note sections. */ - if (tdesc_find_feature (tdesc, "org.gnu.gdb.i386.avx512") - || tdesc_find_feature (tdesc, "org.gnu.gdb.i386.avx")) - set_gdbarch_core_regset_sections (gdbarch, i386_linux_avx_regset_sections); - else if (tdesc_find_feature (tdesc, "org.gnu.gdb.i386.sse")) - set_gdbarch_core_regset_sections (gdbarch, i386_linux_sse_regset_sections); - else - set_gdbarch_core_regset_sections (gdbarch, i386_linux_regset_sections); - + /* Core file support. */ + set_gdbarch_iterate_over_regset_sections + (gdbarch, i386_linux_iterate_over_regset_sections); set_gdbarch_core_read_description (gdbarch, i386_linux_core_read_description); |