diff options
Diffstat (limited to 'gdb/amd64-linux-tdep.c')
| -rw-r--r-- | gdb/amd64-linux-tdep.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/gdb/amd64-linux-tdep.c b/gdb/amd64-linux-tdep.c index 4ad6dc9..1205e31 100644 --- a/gdb/amd64-linux-tdep.c +++ b/gdb/amd64-linux-tdep.c @@ -28,8 +28,11 @@ #include "symtab.h" #include "gdbtypes.h" #include "reggroups.h" +#include "regset.h" #include "amd64-linux-tdep.h" +#include "i386-linux-tdep.h" #include "linux-tdep.h" +#include "i386-xstate.h" #include "gdb_string.h" @@ -38,6 +41,7 @@ #include "xml-syscall.h" #include "features/i386/amd64-linux.c" +#include "features/i386/amd64-avx-linux.c" /* The syscall's XML filename for i386. */ #define XML_SYSCALL_FILENAME_AMD64 "syscalls/amd64-linux.xml" @@ -45,6 +49,15 @@ #include "record.h" #include "linux-record.h" +/* Supported register note sections. */ +static struct core_regset_section amd64_linux_regset_sections[] = +{ + { ".reg", 144, "general-purpose" }, + { ".reg2", 512, "floating-point" }, + { ".reg-xstate", I386_XSTATE_MAX_SIZE, "XSAVE extended state" }, + { NULL, 0 } +}; + /* Mapping between the general-purpose registers in `struct user' format and GDB's register cache layout. */ @@ -1250,12 +1263,17 @@ amd64_linux_core_read_description (struct gdbarch *gdbarch, bfd *abfd) { asection *section = bfd_get_section_by_name (abfd, ".reg2"); + uint64_t xcr0; if (section == NULL) return NULL; /* Linux/x86-64. */ - return tdesc_amd64_linux; + xcr0 = i386_linux_core_read_xcr0 (gdbarch, target, abfd); + if ((xcr0 & I386_XSTATE_AVX_MASK) == I386_XSTATE_AVX_MASK) + return tdesc_amd64_avx_linux; + else + return tdesc_amd64_linux; } static void @@ -1297,6 +1315,8 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) tdep->sc_reg_offset = amd64_linux_sc_reg_offset; tdep->sc_num_regs = ARRAY_SIZE (amd64_linux_sc_reg_offset); + tdep->xsave_xcr0_offset = I386_LINUX_XSAVE_XCR0_OFFSET; + /* GNU/Linux uses SVR4-style shared libraries. */ set_solib_svr4_fetch_link_map_offsets (gdbarch, svr4_lp64_fetch_link_map_offsets); @@ -1318,6 +1338,9 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) /* GNU/Linux uses SVR4-style shared libraries. */ set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); + /* Install supported register note sections. */ + set_gdbarch_core_regset_sections (gdbarch, amd64_linux_regset_sections); + set_gdbarch_core_read_description (gdbarch, amd64_linux_core_read_description); @@ -1517,4 +1540,5 @@ _initialize_amd64_linux_tdep (void) /* Initialize the Linux target description */ initialize_tdesc_amd64_linux (); + initialize_tdesc_amd64_avx_linux (); } |