#
v::IEEE_FLOAT:int:ieee_float::::0:0::0:::
#
-f::TARGET_READ_PC:CORE_ADDR:read_pc:int pid:pid::0:generic_target_read_pc::0
-f::TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, int pid:val, pid::0:generic_target_write_pc::0
+f::TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid::0:generic_target_read_pc::0
+f::TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
f::TARGET_READ_FP:CORE_ADDR:read_fp:void:::0:generic_target_read_fp::0
f::TARGET_WRITE_FP:void:write_fp:CORE_ADDR val:val::0:generic_target_write_fp::0
f::TARGET_READ_SP:CORE_ADDR:read_sp:void:::0:generic_target_read_sp::0
f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
+f::PREPARE_TO_PROCEED:int:prepare_to_proceed:int select_it:select_it::0:default_prepare_to_proceed::0
v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
#
f:2:REMOTE_TRANSLATE_XFER_ADDRESS:void:remote_translate_xfer_address:CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len:gdb_addr, gdb_len, rem_addr, rem_len:::generic_remote_translate_xfer_address::0
struct gdbarch_info
{
- /* Use default: bfd_arch_unknown (ZERO). */
- enum bfd_architecture bfd_architecture;
-
/* Use default: NULL (ZERO). */
const struct bfd_arch_info *bfd_arch_info;
extern void gdbarch_free (struct gdbarch *);
-/* Helper function. Force an update of the current architecture. Used
- by legacy targets that have added their own target specific
- architecture manipulation commands.
+/* Helper function. Force an update of the current architecture.
- The INFO parameter shall be fully initialized (\`\`memset (&INFO,
- sizeof (info), 0)'' set relevant fields) before gdbarch_update_p()
- is called. gdbarch_update_p() shall initialize any \`\`default''
- fields using information obtained from the previous architecture or
- INFO.ABFD (if specified) before calling the corresponding
- architectures INIT function.
+ The actual architecture selected is determined by INFO, \`\`(gdb) set
+ architecture'' et.al., the existing architecture and BFD's default
+ architecture. INFO should be initialized to zero and then selected
+ fields should be updated.
Returns non-zero if the update succeeds */
struct gdbarch_list **list;
struct gdbarch_registration *rego;
- /* Fill in any missing bits. Most important is the bfd_architecture
- which is used to select the target architecture. */
- if (info.bfd_architecture == bfd_arch_unknown)
- {
- if (info.bfd_arch_info != NULL)
- info.bfd_architecture = info.bfd_arch_info->arch;
- else if (info.abfd != NULL)
- info.bfd_architecture = bfd_get_arch (info.abfd);
- /* FIXME - should query BFD for its default architecture. */
- else
- info.bfd_architecture = current_gdbarch->bfd_arch_info->arch;
- }
+ /* Fill in missing parts of the INFO struct using a number of
+ sources: \`\`set ...''; INFOabfd supplied; existing target. */
+
+ /* \`\`(gdb) set architecture ...'' */
+ if (info.bfd_arch_info == NULL
+ && !TARGET_ARCHITECTURE_AUTO)
+ info.bfd_arch_info = TARGET_ARCHITECTURE;
+ if (info.bfd_arch_info == NULL
+ && info.abfd != NULL
+ && bfd_get_arch (info.abfd) != bfd_arch_unknown
+ && bfd_get_arch (info.abfd) != bfd_arch_obscure)
+ info.bfd_arch_info = bfd_get_arch_info (info.abfd);
if (info.bfd_arch_info == NULL)
- {
- if (target_architecture_auto && info.abfd != NULL)
- info.bfd_arch_info = bfd_get_arch_info (info.abfd);
- else
- info.bfd_arch_info = current_gdbarch->bfd_arch_info;
- }
+ info.bfd_arch_info = TARGET_ARCHITECTURE;
+
+ /* \`\`(gdb) set byte-order ...'' */
+ if (info.byte_order == 0
+ && !TARGET_BYTE_ORDER_AUTO)
+ info.byte_order = TARGET_BYTE_ORDER;
+ /* From the INFO struct. */
+ if (info.byte_order == 0
+ && info.abfd != NULL)
+ info.byte_order = (bfd_big_endian (info.abfd) ? BIG_ENDIAN
+ : bfd_little_endian (info.abfd) ? LITTLE_ENDIAN
+ : 0);
+ /* From the current target. */
if (info.byte_order == 0)
- {
- if (target_byte_order_auto && info.abfd != NULL)
- info.byte_order = (bfd_big_endian (info.abfd) ? BIG_ENDIAN
- : bfd_little_endian (info.abfd) ? LITTLE_ENDIAN
- : 0);
- else
- info.byte_order = current_gdbarch->byte_order;
- /* FIXME - should query BFD for its default byte-order. */
- }
- /* A default for abfd? */
+ info.byte_order = TARGET_BYTE_ORDER;
- /* Find the target that knows about this architecture. */
- for (rego = gdbarch_registry;
- rego != NULL;
- rego = rego->next)
- if (rego->bfd_architecture == info.bfd_architecture)
- break;
- if (rego == NULL)
- {
- if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
- return 0;
- }
+ /* Must have found some sort of architecture. */
+ gdb_assert (info.bfd_arch_info != NULL);
if (gdbarch_debug)
{
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.bfd_architecture %d (%s)\\n",
- info.bfd_architecture,
- bfd_lookup_arch (info.bfd_architecture, 0)->printable_name);
- fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.bfd_arch_info %s\\n",
+ "gdbarch_update: info.bfd_arch_info %s\n",
(info.bfd_arch_info != NULL
? info.bfd_arch_info->printable_name
: "(null)"));
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.byte_order %d (%s)\\n",
+ "gdbarch_update: info.byte_order %d (%s)\n",
info.byte_order,
(info.byte_order == BIG_ENDIAN ? "big"
: info.byte_order == LITTLE_ENDIAN ? "little"
: "default"));
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.abfd 0x%lx\\n",
+ "gdbarch_update: info.abfd 0x%lx\n",
(long) info.abfd);
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.tdep_info 0x%lx\\n",
+ "gdbarch_update: info.tdep_info 0x%lx\n",
(long) info.tdep_info);
}
+ /* Find the target that knows about this architecture. */
+ for (rego = gdbarch_registry;
+ rego != NULL;
+ rego = rego->next)
+ if (rego->bfd_architecture == info.bfd_arch_info->arch)
+ break;
+ if (rego == NULL)
+ {
+ if (gdbarch_debug)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
+ return 0;
+ }
+
/* Ask the target for a replacement architecture. */
new_gdbarch = rego->init (info, rego->arches);
projects / deliverable / binutils-gdb.git / blobdiff