diff options
Diffstat (limited to 'gdb/regcache.h')
| -rw-r--r-- | gdb/regcache.h | 62 |
1 files changed, 36 insertions, 26 deletions
diff --git a/gdb/regcache.h b/gdb/regcache.h index 9e3da8c..e2c76211 100644 --- a/gdb/regcache.h +++ b/gdb/regcache.h @@ -227,9 +227,44 @@ typedef struct cached_reg gdb_byte *data; } cached_reg_t; +/* Buffer of registers. */ + +class reg_buffer +{ +public: + reg_buffer (gdbarch *gdbarch, bool has_pseudo); + + DISABLE_COPY_AND_ASSIGN (reg_buffer); + + /* Return regcache's architecture. */ + gdbarch *arch () const; + + virtual ~reg_buffer () + { + xfree (m_registers); + xfree (m_register_status); + } + +protected: + /* Assert on the range of REGNUM. */ + void assert_regnum (int regnum) const; + + int num_raw_registers () const; + + gdb_byte *register_buffer (int regnum) const; + + struct regcache_descr *m_descr; + + bool m_has_pseudo; + /* The register buffers. */ + gdb_byte *m_registers; + /* Register cache status. */ + signed char *m_register_status; +}; + /* The register cache for storing raw register values. */ -class regcache +class regcache : public reg_buffer { public: regcache (gdbarch *gdbarch) @@ -244,15 +279,6 @@ public: DISABLE_COPY_AND_ASSIGN (regcache); - ~regcache () - { - xfree (m_registers); - xfree (m_register_status); - } - - /* Return regcache's architecture. */ - gdbarch *arch () const; - /* Return REGCACHE's address space. */ const address_space *aspace () const { @@ -339,14 +365,9 @@ public: static void regcache_thread_ptid_changed (ptid_t old_ptid, ptid_t new_ptid); protected: regcache (gdbarch *gdbarch, const address_space *aspace_, bool readonly_p_); - - int num_raw_registers () const; - static std::forward_list<regcache *> current_regcache; private: - gdb_byte *register_buffer (int regnum) const; - void restore (struct regcache *src); enum register_status xfer_part (int regnum, int offset, int len, void *in, @@ -357,21 +378,10 @@ private: int regnum, const void *in_buf, void *out_buf, size_t size) const; - /* Assert on the range of REGNUM. */ - void assert_regnum (int regnum) const; - - struct regcache_descr *m_descr; - /* The address space of this register cache (for registers where it makes sense, like PC or SP). */ const address_space * const m_aspace; - /* The register buffers. A read-only register cache can hold the - full [0 .. gdbarch_num_regs + gdbarch_num_pseudo_regs) while a read/write - register cache can only hold [0 .. gdbarch_num_regs). */ - gdb_byte *m_registers; - /* Register cache status. */ - signed char *m_register_status; /* Is this a read-only cache? A read-only cache is used for saving the target's register state (e.g, across an inferior function call or just before forcing a function return). A read-only |