diff options
Diffstat (limited to 'gdb/nat/x86-dregs.h')
| -rw-r--r-- | gdb/nat/x86-dregs.h | 43 |
1 files changed, 20 insertions, 23 deletions
diff --git a/gdb/nat/x86-dregs.h b/gdb/nat/x86-dregs.h index 093a234..a7bcf08 100644 --- a/gdb/nat/x86-dregs.h +++ b/gdb/nat/x86-dregs.h @@ -32,46 +32,45 @@ counts, and allow to watch regions up to 16 bytes long (32 bytes on 64 bit hosts). */ - #include "gdbsupport/break-common.h" /* target_hw_bp_type */ /* Low-level function vector. */ struct x86_dr_low_type - { - /* Set the debug control (DR7) register to a given value for +{ + /* Set the debug control (DR7) register to a given value for all LWPs. May be NULL if the debug control register cannot be set. */ - void (*set_control) (unsigned long); + void (*set_control) (unsigned long); - /* Put an address into one debug register for all LWPs. May + /* Put an address into one debug register for all LWPs. May be NULL if debug registers cannot be set*/ - void (*set_addr) (int, CORE_ADDR); + void (*set_addr) (int, CORE_ADDR); - /* Return the address in a given debug register of the current + /* Return the address in a given debug register of the current LWP. */ - CORE_ADDR (*get_addr) (int); + CORE_ADDR (*get_addr) (int); - /* Return the value of the debug status (DR6) register for + /* Return the value of the debug status (DR6) register for current LWP. */ - unsigned long (*get_status) (void); + unsigned long (*get_status) (void); - /* Return the value of the debug control (DR7) register for + /* Return the value of the debug control (DR7) register for current LWP. */ - unsigned long (*get_control) (void); + unsigned long (*get_control) (void); - /* Number of bytes used for debug registers (4 or 8). */ - int debug_register_length; - }; + /* Number of bytes used for debug registers (4 or 8). */ + int debug_register_length; +}; extern struct x86_dr_low_type x86_dr_low; /* Debug registers' indices. */ #define DR_FIRSTADDR 0 -#define DR_LASTADDR 3 -#define DR_NADDR 4 /* The number of debug address registers. */ -#define DR_STATUS 6 /* Index of debug status register (DR6). */ -#define DR_CONTROL 7 /* Index of debug control register (DR7). */ +#define DR_LASTADDR 3 +#define DR_NADDR 4 /* The number of debug address registers. */ +#define DR_STATUS 6 /* Index of debug status register (DR6). */ +#define DR_CONTROL 7 /* Index of debug control register (DR7). */ /* Global state needed to track h/w watchpoints. */ @@ -103,16 +102,14 @@ extern struct x86_debug_reg_state *x86_debug_reg_state (pid_t pid); of the type TYPE. Return 0 on success, -1 on failure. */ extern int x86_dr_insert_watchpoint (struct x86_debug_reg_state *state, enum target_hw_bp_type type, - CORE_ADDR addr, - int len); + CORE_ADDR addr, int len); /* Remove a watchpoint that watched the memory region which starts at address ADDR, whose length is LEN bytes, and for accesses of the type TYPE. Return 0 on success, -1 on failure. */ extern int x86_dr_remove_watchpoint (struct x86_debug_reg_state *state, enum target_hw_bp_type type, - CORE_ADDR addr, - int len); + CORE_ADDR addr, int len); /* Return non-zero if we can watch a memory region that starts at address ADDR and whose length is LEN bytes. */ |