X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fgdbarch.h;h=c94c19c173d30ffc8e9b8091ea99733df4503e66;hb=3ea89b92fb0765075a27a3a0239552ae880722ff;hp=0bd1d5662d8c839422f6e85007da383fa042bfc2;hpb=458c8db89f7e9913da6fa67c3df73404375c436b;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h index 0bd1d5662d..c94c19c173 100644 --- a/gdb/gdbarch.h +++ b/gdb/gdbarch.h @@ -3,7 +3,7 @@ /* 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. @@ -51,17 +51,22 @@ struct target_ops; 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. @@ -83,6 +88,12 @@ extern struct gdbarch *target_gdbarch (void); 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); @@ -375,8 +386,6 @@ typedef void (gdbarch_print_registers_info_ftype) (struct gdbarch *gdbarch, stru 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); @@ -688,6 +697,16 @@ typedef int (gdbarch_in_function_epilogue_p_ftype) (struct gdbarch *gdbarch, COR 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); @@ -696,6 +715,45 @@ typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_ 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); @@ -1192,6 +1250,41 @@ typedef int (gdbarch_stap_parse_special_token_ftype) (struct gdbarch *gdbarch, s 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 @@ -1339,6 +1432,33 @@ typedef int (gdbarch_vsyscall_range_ftype) (struct gdbarch *gdbarch, struct mem_ 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)