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comparison packages/hal/common/current/include/generic-stub.h @ 112:02ea4320376c ecos-sw-2000-07-21

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Merge from eCos master repository on 2000-07-21-21:01:39-BST
author jlarmour
date Fri, 21 Jul 2000 21:34:11 +0000
parents 435cced73e2f
children 6ed91473a1cd
comparison
equal deleted inserted replaced
111:211b8a635ce9 112:02ea4320376c
92 /* Store VALUE in the register corresponding to WHICH. */ 92 /* Store VALUE in the register corresponding to WHICH. */
93 extern void put_register (regnames_t which, target_register_t value); 93 extern void put_register (regnames_t which, target_register_t value);
94 94
95 /* Set the next instruction to be executed when the user program resumes 95 /* Set the next instruction to be executed when the user program resumes
96 execution to PC. */ 96 execution to PC. */
97 #if !defined(SET_PC_PROTOTYPE_EXISTS) && !defined(set_pc)
98 #define SET_PC_PROTOTYPE_EXISTS
97 extern void set_pc (target_register_t pc); 99 extern void set_pc (target_register_t pc);
100 #endif
98 101
99 /* Set the return value of the currently-pending syscall to VALUE. */ 102 /* Set the return value of the currently-pending syscall to VALUE. */
100 extern void set_syscall_value (target_register_t value); 103 extern void set_syscall_value (target_register_t value);
101 104
102 /* Return the Nth argument to the currently-pending syscall (starting from 105 /* Return the Nth argument to the currently-pending syscall (starting from
113 /* Skip the current instruction. */ 116 /* Skip the current instruction. */
114 extern void __skipinst (void); 117 extern void __skipinst (void);
115 118
116 /* If the address in the PC register corresponds to the breakpoint() 119 /* If the address in the PC register corresponds to the breakpoint()
117 instruction, return a non-zero value. */ 120 instruction, return a non-zero value. */
121 #ifndef __is_breakpoint_function
118 extern int __is_breakpoint_function (void); 122 extern int __is_breakpoint_function (void);
123 #endif
119 124
120 /* Execute a breakpoint instruction. Restarting will cause the instruction 125 /* Execute a breakpoint instruction. Restarting will cause the instruction
121 to be skipped. */ 126 to be skipped. */
127 #ifndef breakpoint
122 extern void breakpoint (void); 128 extern void breakpoint (void);
129 #endif
123 130
124 /* Return the syscall # corresponding to this system call. */ 131 /* Return the syscall # corresponding to this system call. */
125 extern int __get_syscall_num (void); 132 extern int __get_syscall_num (void);
126 133
127 /* Transfer exception event processing to the stub. */ 134 /* Transfer exception event processing to the stub. */
140 147
141 /* Copy COUNT bytes of memory from BUF to ADDR. 148 /* Copy COUNT bytes of memory from BUF to ADDR.
142 ADDR is assumed to live in the user program's space. 149 ADDR is assumed to live in the user program's space.
143 Returns number of bytes successfully read 150 Returns number of bytes successfully read
144 (caller must check to see if less than requested). */ 151 (caller must check to see if less than requested). */
152 #ifndef __write_mem_safe
145 extern int __write_mem_safe (void *buf, 153 extern int __write_mem_safe (void *buf,
146 void *addr, 154 void *addr,
147 int count); 155 int count);
156 #endif
148 157
149 /* Set to a non-zero value if a memory fault occurs while 158 /* Set to a non-zero value if a memory fault occurs while
150 __set_mem_fault_trap () is running. */ 159 __set_mem_fault_trap () is running. */
151 extern volatile int __mem_fault; 160 extern volatile int __mem_fault;
152 161
187 /* When an exception occurs, __process_exception_vec will be invoked with 196 /* When an exception occurs, __process_exception_vec will be invoked with
188 the signal number corresponding to the trap/exception. The function 197 the signal number corresponding to the trap/exception. The function
189 should return zero if it wishes execution to resume from the saved 198 should return zero if it wishes execution to resume from the saved
190 register values; a non-zero value indicates that the exception handler 199 register values; a non-zero value indicates that the exception handler
191 should be reinvoked. */ 200 should be reinvoked. */
201 #if !defined(PROCESS_EXCEPTION_VEC_PROTOTYPE_EXISTS)
202 #define PROCESS_EXCEPTION_VEC_PROTOTYPE_EXISTS
192 extern volatile __PFI __process_exception_vec; 203 extern volatile __PFI __process_exception_vec;
204 #endif
193 205
194 /* __process_exit_vec is invoked when a 'k' kill packet is received 206 /* __process_exit_vec is invoked when a 'k' kill packet is received
195 from GDB. */ 207 from GDB. */
196 extern volatile __PFV __process_exit_vec; 208 extern volatile __PFV __process_exit_vec;
197 209
290 302
291 /* Write the C-style string pointed to by STR to the GDB comm port. 303 /* Write the C-style string pointed to by STR to the GDB comm port.
292 Used for printing debug messages. */ 304 Used for printing debug messages. */
293 extern void __putDebugStr (char *str); 305 extern void __putDebugStr (char *str);
294 306
295 #ifdef NO_MALLOC 307 #if defined(NO_MALLOC) && !defined(MAX_BP_NUM)
296 #define MAX_BP_NUM 64 /* Maximum allowed # of breakpoints */ 308 #define MAX_BP_NUM 64 /* Maximum allowed # of breakpoints */
297 #endif 309 #endif
298 310
299 #endif /* ASM */ 311 #endif /* ASM */
300 312