/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright (C) 1998-2014 Free Software Foundation, Inc.
+ Copyright (C) 1998-2015 Free Software Foundation, Inc.
This file is part of GDB.
struct obstack;
struct bp_target_info;
struct target_desc;
+struct objfile;
+struct symbol;
struct displaced_step_closure;
struct core_regset_section;
struct syscall;
struct agent_expr;
struct axs_value;
struct stap_parse_info;
+struct parser_state;
struct ravenscar_arch_ops;
struct elf_internal_linux_prpsinfo;
struct mem_range;
struct syscalls_info;
+#include "regcache.h"
+
/* The architecture associated with the inferior through the
connection to the target.
typedef int (iterate_over_objfiles_in_search_order_cb_ftype)
(struct objfile *objfile, void *cb_data);
+/* Callback type for regset section iterators. The callback usually
+ invokes the REGSET's supply or collect method, to which it must
+ pass a buffer with at least the given SIZE. SECT_NAME is a BFD
+ section name, and HUMAN_NAME is used for diagnostic messages.
+ CB_DATA should have been passed unchanged through the iterator. */
+
typedef void (iterate_over_regset_sections_cb)
(const char *sect_name, int size, const struct regset *regset,
const char *human_name, void *cb_data);
extern void gdbarch_print_registers_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all);
extern void set_gdbarch_print_registers_info (struct gdbarch *gdbarch, gdbarch_print_registers_info_ftype *print_registers_info);
-extern int gdbarch_print_float_info_p (struct gdbarch *gdbarch);
-
typedef void (gdbarch_print_float_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args);
extern void gdbarch_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args);
extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info);
extern int gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR addr);
extern void set_gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, gdbarch_in_function_epilogue_p_ftype *in_function_epilogue_p);
+/* Process an ELF symbol in the minimal symbol table in a backend-specific
+ way. Normally this hook is supposed to do nothing, however if required,
+ then this hook can be used to apply tranformations to symbols that are
+ considered special in some way. For example the MIPS backend uses it
+ to interpret `st_other' information to mark compressed code symbols so
+ that they can be treated in the appropriate manner in the processing of
+ the main symbol table and DWARF-2 records. */
+
+extern int gdbarch_elf_make_msymbol_special_p (struct gdbarch *gdbarch);
+
typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym);
extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym);
extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special);
extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym);
extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special);
+/* Process a symbol in the main symbol table in a backend-specific way.
+ Normally this hook is supposed to do nothing, however if required,
+ then this hook can be used to apply tranformations to symbols that
+ are considered special in some way. This is currently used by the
+ MIPS backend to make sure compressed code symbols have the ISA bit
+ set. This in turn is needed for symbol values seen in GDB to match
+ the values used at the runtime by the program itself, for function
+ and label references. */
+
+typedef void (gdbarch_make_symbol_special_ftype) (struct symbol *sym, struct objfile *objfile);
+extern void gdbarch_make_symbol_special (struct gdbarch *gdbarch, struct symbol *sym, struct objfile *objfile);
+extern void set_gdbarch_make_symbol_special (struct gdbarch *gdbarch, gdbarch_make_symbol_special_ftype *make_symbol_special);
+
+/* Adjust the address retrieved from a DWARF-2 record other than a line
+ entry in a backend-specific way. Normally this hook is supposed to
+ return the address passed unchanged, however if that is incorrect for
+ any reason, then this hook can be used to fix the address up in the
+ required manner. This is currently used by the MIPS backend to make
+ sure addresses in FDE, range records, etc. referring to compressed
+ code have the ISA bit set, matching line information and the symbol
+ table. */
+
+typedef CORE_ADDR (gdbarch_adjust_dwarf2_addr_ftype) (CORE_ADDR pc);
+extern CORE_ADDR gdbarch_adjust_dwarf2_addr (struct gdbarch *gdbarch, CORE_ADDR pc);
+extern void set_gdbarch_adjust_dwarf2_addr (struct gdbarch *gdbarch, gdbarch_adjust_dwarf2_addr_ftype *adjust_dwarf2_addr);
+
+/* Adjust the address updated by a line entry in a backend-specific way.
+ Normally this hook is supposed to return the address passed unchanged,
+ however in the case of inconsistencies in these records, this hook can
+ be used to fix them up in the required manner. This is currently used
+ by the MIPS backend to make sure all line addresses in compressed code
+ are presented with the ISA bit set, which is not always the case. This
+ in turn ensures breakpoint addresses are correctly matched against the
+ stop PC. */
+
+typedef CORE_ADDR (gdbarch_adjust_dwarf2_line_ftype) (CORE_ADDR addr, int rel);
+extern CORE_ADDR gdbarch_adjust_dwarf2_line (struct gdbarch *gdbarch, CORE_ADDR addr, int rel);
+extern void set_gdbarch_adjust_dwarf2_line (struct gdbarch *gdbarch, gdbarch_adjust_dwarf2_line_ftype *adjust_dwarf2_line);
+
extern int gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch);
extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint);
extern int gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, struct stap_parse_info *p);
extern void set_gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, gdbarch_stap_parse_special_token_ftype *stap_parse_special_token);
+/* DTrace related functions.
+ The expression to compute the NARTGth+1 argument to a DTrace USDT probe.
+ NARG must be >= 0. */
+
+extern int gdbarch_dtrace_parse_probe_argument_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_dtrace_parse_probe_argument_ftype) (struct gdbarch *gdbarch, struct parser_state *pstate, int narg);
+extern void gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, struct parser_state *pstate, int narg);
+extern void set_gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, gdbarch_dtrace_parse_probe_argument_ftype *dtrace_parse_probe_argument);
+
+/* True if the given ADDR does not contain the instruction sequence
+ corresponding to a disabled DTrace is-enabled probe. */
+
+extern int gdbarch_dtrace_probe_is_enabled_p (struct gdbarch *gdbarch);
+
+typedef int (gdbarch_dtrace_probe_is_enabled_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern int gdbarch_dtrace_probe_is_enabled (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern void set_gdbarch_dtrace_probe_is_enabled (struct gdbarch *gdbarch, gdbarch_dtrace_probe_is_enabled_ftype *dtrace_probe_is_enabled);
+
+/* Enable a DTrace is-enabled probe at ADDR. */
+
+extern int gdbarch_dtrace_enable_probe_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_dtrace_enable_probe_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern void gdbarch_dtrace_enable_probe (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern void set_gdbarch_dtrace_enable_probe (struct gdbarch *gdbarch, gdbarch_dtrace_enable_probe_ftype *dtrace_enable_probe);
+
+/* Disable a DTrace is-enabled probe at ADDR. */
+
+extern int gdbarch_dtrace_disable_probe_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_dtrace_disable_probe_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern void gdbarch_dtrace_disable_probe (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern void set_gdbarch_dtrace_disable_probe (struct gdbarch *gdbarch, gdbarch_dtrace_disable_probe_ftype *dtrace_disable_probe);
+
/* True if the list of shared libraries is one and only for all
processes, as opposed to a list of shared libraries per inferior.
This usually means that all processes, although may or may not share
extern int gdbarch_vsyscall_range (struct gdbarch *gdbarch, struct mem_range *range);
extern void set_gdbarch_vsyscall_range (struct gdbarch *gdbarch, gdbarch_vsyscall_range_ftype *vsyscall_range);
+/* Allocate SIZE bytes of PROT protected page aligned memory in inferior.
+ PROT has GDB_MMAP_PROT_* bitmask format.
+ Throw an error if it is not possible. Returned address is always valid. */
+
+typedef CORE_ADDR (gdbarch_infcall_mmap_ftype) (CORE_ADDR size, unsigned prot);
+extern CORE_ADDR gdbarch_infcall_mmap (struct gdbarch *gdbarch, CORE_ADDR size, unsigned prot);
+extern void set_gdbarch_infcall_mmap (struct gdbarch *gdbarch, gdbarch_infcall_mmap_ftype *infcall_mmap);
+
+/* Return string (caller has to use xfree for it) with options for GCC
+ to produce code for this target, typically "-m64", "-m32" or "-m31".
+ These options are put before CU's DW_AT_producer compilation options so that
+ they can override it. Method may also return NULL. */
+
+typedef char * (gdbarch_gcc_target_options_ftype) (struct gdbarch *gdbarch);
+extern char * gdbarch_gcc_target_options (struct gdbarch *gdbarch);
+extern void set_gdbarch_gcc_target_options (struct gdbarch *gdbarch, gdbarch_gcc_target_options_ftype *gcc_target_options);
+
+/* Return a regular expression that matches names used by this
+ architecture in GNU configury triplets. The result is statically
+ allocated and must not be freed. The default implementation simply
+ returns the BFD architecture name, which is correct in nearly every
+ case. */
+
+typedef const char * (gdbarch_gnu_triplet_regexp_ftype) (struct gdbarch *gdbarch);
+extern const char * gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch);
+extern void set_gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch, gdbarch_gnu_triplet_regexp_ftype *gnu_triplet_regexp);
+
/* Definition for an unknown syscall, used basically in error-cases. */
#define UNKNOWN_SYSCALL (-1)
projects / deliverable / binutils-gdb.git / blobdiff