/* Parameters for target execution on an RS6000, for GDB, the GNU debugger.
- Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994
+ Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+ 1998, 1999, 2000
Free Software Foundation, Inc.
Contributed by IBM Corporation.
-This file is part of GDB.
+ This file is part of GDB.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#define GDB_MULTI_ARCH 1
/* Minimum possible text address in AIX */
#define TEXT_SEGMENT_BASE 0x10000000
-/* Load segment of a given pc value. */
-
-#define PC_LOAD_SEGMENT(PC) pc_load_segment_name(PC)
-
-/* AIX cc seems to get this right. */
-
-#define BELIEVE_PCC_PROMOTION 1
-
-/* return true if a given `pc' value is in `call dummy' function. */
-/* FIXME: This just checks for the end of the stack, which is broken
- for things like stepping through gcc nested function stubs. */
-#define PC_IN_CALL_DUMMY(STOP_PC, STOP_SP, STOP_FRAME_ADDR) \
- (STOP_SP < STOP_PC && STOP_PC < STACK_END_ADDR)
-
-#if 0
-extern unsigned int text_start, data_start;
-extern char *corefile;
-#endif
-extern int inferior_pid;
-
-/* setpgrp() messes up controling terminal. The other version of it
- requires libbsd.a. */
-#define setpgrp(XX,YY) setpgid (XX, YY)
-
-/* We are missing register descriptions in the system header files. Sigh! */
-
-struct regs {
- int gregs [32]; /* general purpose registers */
- int pc; /* program conter */
- int ps; /* processor status, or machine state */
-};
-
-struct fp_status {
- double fpregs [32]; /* floating GP registers */
-};
-
-
-/* To be used by function_frame_info. */
-
-struct aix_framedata {
- int offset; /* # of bytes in gpr's and fpr's are saved */
- int saved_gpr; /* smallest # of saved gpr */
- int saved_fpr; /* smallest # of saved fpr */
- int alloca_reg; /* alloca register number (frame ptr) */
- char frameless; /* true if frameless functions. */
- char nosavedpc; /* true if pc not saved. */
-};
-
-void
-function_frame_info PARAMS ((CORE_ADDR, struct aix_framedata *));
-
-/* Define the byte order of the machine. */
+/* Return whether PC in function NAME is in code that should be skipped when
+ single-stepping. */
-#define TARGET_BYTE_ORDER BIG_ENDIAN
-
-/* AIX's assembler doesn't grok dollar signs in identifiers.
- So we use dots instead. This item must be coordinated with G++. */
-#undef CPLUS_MARKER
-#define CPLUS_MARKER '.'
-
-/* Offset from address of function to start of its code.
- Zero on most machines. */
-
-#define FUNCTION_START_OFFSET 0
-
-/* Advance PC across any function entry prologue instructions
- to reach some "real" code. */
-
-#define SKIP_PROLOGUE(pc) pc = skip_prologue (pc)
+#define IN_SOLIB_RETURN_TRAMPOLINE(pc, name) \
+ rs6000_in_solib_return_trampoline (pc, name)
+extern int rs6000_in_solib_return_trampoline (CORE_ADDR, char *);
/* If PC is in some function-call trampoline code, return the PC
where the function itself actually starts. If not, return NULL. */
-#define SKIP_TRAMPOLINE_CODE(pc) skip_trampoline_code (pc)
-
-/* When a child process is just starting, we sneak in and relocate
- the symbol table (and other stuff) after the dynamic linker has
- figured out where they go. */
-
-#define SOLIB_CREATE_INFERIOR_HOOK(PID) \
- do { \
- xcoff_relocate_symtab (PID); \
- } while (0)
+#define SKIP_TRAMPOLINE_CODE(pc) rs6000_skip_trampoline_code (pc)
+extern CORE_ADDR rs6000_skip_trampoline_code (CORE_ADDR);
/* Number of trap signals we need to skip over, once the inferior process
starts running. */
once, when we are closing the current symbol table in end_symtab(). */
#define PROCESS_LINENUMBER_HOOK() aix_process_linenos ()
-
-/* When a target process or core-file has been attached, we sneak in
- and figure out where the shared libraries have got to. */
-
-#define SOLIB_ADD(a, b, c) \
- if (inferior_pid) \
- /* Attach to process. */ \
- xcoff_relocate_symtab (inferior_pid); \
- else \
- /* Core file. */ \
- xcoff_relocate_core ();
-extern void xcoff_relocate_core PARAMS ((void));
-
-/* Immediately after a function call, return the saved pc.
- Can't go through the frames for this because on some machines
- the new frame is not set up until the new function executes
- some instructions. */
-
-#define SAVED_PC_AFTER_CALL(frame) read_register (LR_REGNUM)
-
-/* Address of end of stack space. */
-
-#define STACK_END_ADDR 0x2ff80000
-
-/* Stack grows downward. */
-
-#define INNER_THAN <
-
-#if 0
-/* No, we shouldn't use this. push_arguments() should leave stack in a
- proper alignment! */
-/* Stack has strict alignment. */
-
-#define STACK_ALIGN(ADDR) (((ADDR)+7)&-8)
-#endif
-
-/* This is how argumets pushed onto stack or passed in registers. */
-
-#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
- sp = push_arguments(nargs, args, sp, struct_return, struct_addr)
-
-/* Sequence of bytes for breakpoint instruction. */
-
-#define BREAKPOINT {0x7d, 0x82, 0x10, 0x08}
-
-/* Amount PC must be decremented by after a breakpoint.
- This is often the number of bytes in BREAKPOINT
- but not always. */
-
-#define DECR_PC_AFTER_BREAK 0
-
-/* Nonzero if instruction at PC is a return instruction. */
-/* Allow any of the return instructions, including a trapv and a return
- from interrupt. */
-
-#define ABOUT_TO_RETURN(pc) \
- ((read_memory_integer (pc, 4) & 0xfe8007ff) == 0x4e800020)
-
-/* Return 1 if P points to an invalid floating point value. */
-
-#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */
-
-/* Say how long (ordinary) registers are. This is a piece of bogosity
- used in push_word and a few other places; REGISTER_RAW_SIZE is the
- real way to know how big a register is. */
-
-#define REGISTER_SIZE 4
-
-/* Number of machine registers */
-
-#define NUM_REGS 71
-
-/* Initializer for an array of names of registers.
- There should be NUM_REGS strings in this initializer. */
-
-#define REGISTER_NAMES \
- {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
- "r8", "r9", "r10","r11","r12","r13","r14","r15", \
- "r16","r17","r18","r19","r20","r21","r22","r23", \
- "r24","r25","r26","r27","r28","r29","r30","r31", \
- "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
- "f8", "f9", "f10","f11","f12","f13","f14","f15", \
- "f16","f17","f18","f19","f20","f21","f22","f23", \
- "f24","f25","f26","f27","f28","f29","f30","f31", \
- "pc", "ps", "cnd", "lr", "cnt", "xer", "mq" }
+extern void aix_process_linenos (void);
/* Register numbers of various important registers.
Note that some of these values are "real" register numbers,
to be actual register numbers as far as the user is concerned
but do serve to get the desired values when passed to read_register. */
-#define FP_REGNUM 1 /* Contains address of executing stack frame */
-#define SP_REGNUM 1 /* Contains address of top of stack */
-#define TOC_REGNUM 2 /* TOC register */
#define FP0_REGNUM 32 /* Floating point register 0 */
-#define GP0_REGNUM 0 /* GPR register 0 */
-#define FP0_REGNUM 32 /* FPR (Floating point) register 0 */
-#define FPLAST_REGNUM 63 /* Last floating point register */
-
-/* Special purpose registers... */
-/* P.S. keep these in the same order as in /usr/mstsave.h `mstsave' structure, for
- easier processing */
-
-#define PC_REGNUM 64 /* Program counter (instruction address %iar) */
-#define PS_REGNUM 65 /* Processor (or machine) status (%msr) */
-#define CR_REGNUM 66 /* Condition register */
-#define LR_REGNUM 67 /* Link register */
-#define CTR_REGNUM 68 /* Count register */
-#define XER_REGNUM 69 /* Fixed point exception registers */
-#define MQ_REGNUM 70 /* Multiply/quotient register */
-
-#define FIRST_SP_REGNUM 64 /* first special register number */
-#define LAST_SP_REGNUM 70 /* last special register number */
-
-/* Total amount of space needed to store our copies of the machine's
- register state, the array `registers'.
-
- 32 4-byte gpr's
- 32 8-byte fpr's
- 7 4-byte special purpose registers,
-
- total 416 bytes. Keep some extra space for now, in case to add more. */
-
-#define REGISTER_BYTES 420
-
-
-/* Index within `registers' of the first byte of the space for
- register N. */
-
-#define REGISTER_BYTE(N) \
- ( \
- ((N) > FPLAST_REGNUM) ? ((((N) - FPLAST_REGNUM -1) * 4) + 384)\
- :((N) >= FP0_REGNUM) ? ((((N) - FP0_REGNUM) * 8) + 128) \
- :((N) * 4) )
-
-/* Number of bytes of storage in the actual machine representation
- for register N. */
-/* Note that the unsigned cast here forces the result of the
- subtractiion to very high positive values if N < FP0_REGNUM */
-
-#define REGISTER_RAW_SIZE(N) (((unsigned)(N) - FP0_REGNUM) < 32 ? 8 : 4)
-
-/* Number of bytes of storage in the program's representation
- for register N. On the RS6000, all regs are 4 bytes
- except the floating point regs which are 8-byte doubles. */
-
-#define REGISTER_VIRTUAL_SIZE(N) (((unsigned)(N) - FP0_REGNUM) < 32 ? 8 : 4)
-
-/* Largest value REGISTER_RAW_SIZE can have. */
-
-#define MAX_REGISTER_RAW_SIZE 8
-
-/* Largest value REGISTER_VIRTUAL_SIZE can have. */
-
-#define MAX_REGISTER_VIRTUAL_SIZE 8
-
-/* convert a dbx stab register number (from `r' declaration) to a gdb REGNUM */
-
-#define STAB_REG_TO_REGNUM(value) (value)
-
-/* Nonzero if register N requires conversion
- from raw format to virtual format.
- The register format for rs6000 floating point registers is always
- double, we need a conversion if the memory format is float. */
-
-#define REGISTER_CONVERTIBLE(N) ((N) >= FP0_REGNUM && (N) <= FPLAST_REGNUM)
-
-/* Convert data from raw format for register REGNUM in buffer FROM
- to virtual format with type TYPE in buffer TO. */
-
-#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \
-{ \
- if (TYPE_LENGTH (TYPE) != REGISTER_RAW_SIZE (REGNUM)) \
- { \
- double val = extract_floating ((FROM), REGISTER_RAW_SIZE (REGNUM)); \
- store_floating ((TO), TYPE_LENGTH (TYPE), val); \
- } \
- else \
- memcpy ((TO), (FROM), REGISTER_RAW_SIZE (REGNUM)); \
-}
-
-/* Convert data from virtual format with type TYPE in buffer FROM
- to raw format for register REGNUM in buffer TO. */
-
-#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \
-{ \
- if (TYPE_LENGTH (TYPE) != REGISTER_RAW_SIZE (REGNUM)) \
- { \
- double val = extract_floating ((FROM), TYPE_LENGTH (TYPE)); \
- store_floating ((TO), REGISTER_RAW_SIZE (REGNUM), val); \
- } \
- else \
- memcpy ((TO), (FROM), REGISTER_RAW_SIZE (REGNUM)); \
-}
-
-/* Return the GDB type object for the "standard" data type
- of data in register N. */
-
-#define REGISTER_VIRTUAL_TYPE(N) \
- (((unsigned)(N) - FP0_REGNUM) < 32 ? builtin_type_double : builtin_type_int)
-
-/* Store the address of the place in which to copy the structure the
- subroutine will return. This is called from call_function. */
-/* in RS6000, struct return addresses are passed as an extra parameter in r3.
- In function return, callee is not responsible of returning this address back.
- Since gdb needs to find it, we will store in a designated variable
- `rs6000_struct_return_address'. */
-
-extern CORE_ADDR rs6000_struct_return_address;
-
-#define STORE_STRUCT_RETURN(ADDR, SP) \
- { write_register (3, (ADDR)); \
- rs6000_struct_return_address = (unsigned int)(ADDR); }
-
-/* Extract from an array REGBUF containing the (raw) register state
- a function return value of type TYPE, and copy that, in virtual format,
- into VALBUF. */
-
-/* #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
- memcpy (VALBUF, REGBUF, TYPE_LENGTH (TYPE)) */
-
-#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
- extract_return_value(TYPE,REGBUF,VALBUF)
-
-/* Write into appropriate registers a function return value
- of type TYPE, given in virtual format. */
-
-#define STORE_RETURN_VALUE(TYPE,VALBUF) \
- { \
- if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
- \
- /* Floating point values are returned starting from FPR1 and up. \
- Say a double_double_double type could be returned in \
- FPR1/FPR2/FPR3 triple. */ \
- \
- write_register_bytes (REGISTER_BYTE (FP0_REGNUM+1), (VALBUF), \
- TYPE_LENGTH (TYPE)); \
- else \
- /* Everything else is returned in GPR3 and up. */ \
- write_register_bytes (REGISTER_BYTE (GP0_REGNUM+3), (VALBUF), \
- TYPE_LENGTH (TYPE)); \
- }
-
-
-/* Extract from an array REGBUF containing the (raw) register state
- the address in which a function should return its structure value,
- as a CORE_ADDR (or an expression that can be used as one). */
-
-#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) rs6000_struct_return_address
-\f
-/* Describe the pointer in each stack frame to the previous stack frame
- (its caller). */
-
-/* FRAME_CHAIN takes a frame's nominal address
- and produces the frame's chain-pointer. */
-
-/* In the case of the RS6000, the frame's nominal address
- is the address of a 4-byte word containing the calling frame's address. */
-
-#define FRAME_CHAIN(thisframe) rs6000_frame_chain (thisframe)
-#ifdef __STDC__
-struct frame_info;
-#endif
-CORE_ADDR rs6000_frame_chain PARAMS ((struct frame_info *));
+#define FPLAST_REGNUM 63 /* Last floating point register */
/* Define other aspects of the stack frame. */
-/* A macro that tells us whether the function invocation represented
- by FI does not have a frame on the stack associated with it. If it
- does not, FRAMELESS is set to 1, else 0. */
-
-#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \
- FRAMELESS = frameless_function_invocation (FI, 0)
-
-/* Functions calling alloca() change the value of the stack pointer. We
- need to use initial stack pointer (which is saved in r31 by gcc) in
- such cases. If a compiler emits traceback table, then we should use the
- alloca register specified in traceback table. FIXME. */
-/* Also, it is a good idea to cache information about frame's saved registers
- in the frame structure to speed things up. See tm-m88k.h. FIXME. */
-
-#define EXTRA_FRAME_INFO \
- CORE_ADDR initial_sp; /* initial stack pointer. */ \
- struct frame_saved_regs *cache_fsr; /* saved registers */
-
-#define INIT_FRAME_PC_FIRST(fromleaf, prev) \
- prev->pc = (fromleaf ? SAVED_PC_AFTER_CALL (prev->next) : \
- prev->next ? FRAME_SAVED_PC (prev->next) : read_pc ());
-#define INIT_FRAME_PC(fromleaf, prev) /* nothing */
-#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
- fi->initial_sp = 0; \
- fi->cache_fsr = 0; \
- if (fi->next != (CORE_ADDR)0 \
- && read_memory_integer (fi->frame, 4) == 0 \
- && fi->pc < TEXT_SEGMENT_BASE) \
- /* We're in get_prev_frame_info */ \
- /* and this is a special signal frame. */ \
- /* (fi->pc will be something like 0x3f88 or 0x2790). */ \
- fi->signal_handler_caller = 1;
-
-/* Frameless function invocation in IBM RS/6000 is sometimes
- half-done. It perfectly sets up a new frame, e.g. a new frame (in
- fact stack) pointer, etc, but it doesn't save the %pc. We call
- frameless_function_invocation to tell us how to get the %pc. */
-
-#define FRAME_SAVED_PC(FRAME) \
- (frameless_function_invocation (FRAME, 1) \
- ? SAVED_PC_AFTER_CALL (FRAME) \
- : read_memory_integer (rs6000_frame_chain (FRAME)+8, 4))
-
-#define FRAME_ARGS_ADDRESS(FI) \
- (((struct frame_info*)(FI))->initial_sp ? \
- ((struct frame_info*)(FI))->initial_sp : \
- frame_initial_stack_address (FI))
-
-#define FRAME_LOCALS_ADDRESS(FI) FRAME_ARGS_ADDRESS(FI)
-
-
-/* Set VAL to the number of args passed to frame described by FI.
- Can set VAL to -1, meaning no way to tell. */
-
-/* We can't tell how many args there are
- now that the C compiler delays popping them. */
-
-#define FRAME_NUM_ARGS(val,fi) (val = -1)
-
-/* Return number of bytes at start of arglist that are not really args. */
-
-#define FRAME_ARGS_SKIP 8 /* Not sure on this. FIXMEmgo */
-
-/* Put here the code to store, into a struct frame_saved_regs,
- the addresses of the saved registers of frame described by FRAME_INFO.
- This includes special registers such as pc and fp saved in special
- ways in the stack frame. sp is even more special:
- the address we return for it IS the sp for the next frame. */
-/* In the following implementation for RS6000, we did *not* save sp. I am
- not sure if it will be needed. The following macro takes care of gpr's
- and fpr's only. */
-
-#define FRAME_FIND_SAVED_REGS(FRAME_INFO, FRAME_SAVED_REGS) \
-{ \
- int ii; \
- CORE_ADDR frame_addr, func_start; \
- struct aix_framedata fdata; \
- \
- /* find the start of the function and collect info about its frame. */\
- \
- func_start = get_pc_function_start ((FRAME_INFO)->pc) + FUNCTION_START_OFFSET; \
- function_frame_info (func_start, &fdata); \
- memset (&(FRAME_SAVED_REGS), '\0', sizeof (FRAME_SAVED_REGS)); \
- \
- /* if there were any saved registers, figure out parent's stack pointer. */ \
- frame_addr = 0; \
- /* the following is true only if the frame doesn't have a call to alloca(), \
- FIXME. */ \
- if (fdata.saved_fpr >= 0 || fdata.saved_gpr >= 0) { \
- if ((FRAME_INFO)->prev && (FRAME_INFO)->prev->frame) \
- frame_addr = (FRAME_INFO)->prev->frame; \
- else \
- frame_addr = read_memory_integer ((FRAME_INFO)->frame, 4); \
- } \
- \
- /* if != -1, fdata.saved_fpr is the smallest number of saved_fpr. All fpr's \
- from saved_fpr to fp31 are saved right underneath caller stack pointer, \
- starting from fp31 first. */ \
- \
- if (fdata.saved_fpr >= 0) { \
- for (ii=31; ii >= fdata.saved_fpr; --ii) \
- (FRAME_SAVED_REGS).regs [FP0_REGNUM + ii] = frame_addr - ((32 - ii) * 8); \
- frame_addr -= (32 - fdata.saved_fpr) * 8; \
- } \
- \
- /* if != -1, fdata.saved_gpr is the smallest number of saved_gpr. All gpr's \
- from saved_gpr to gpr31 are saved right under saved fprs, starting \
- from r31 first. */ \
- \
- if (fdata.saved_gpr >= 0) \
- for (ii=31; ii >= fdata.saved_gpr; --ii) \
- (FRAME_SAVED_REGS).regs [ii] = frame_addr - ((32 - ii) * 4); \
-}
-
-\f
-/* Things needed for making the inferior call functions. */
-
-/* Push an empty stack frame, to record the current PC, etc. */
-/* Change these names into rs6k_{push, pop}_frame(). FIXMEmgo. */
-
-#define PUSH_DUMMY_FRAME push_dummy_frame ()
-
-/* Discard from the stack the innermost frame,
- restoring all saved registers. */
-
-#define POP_FRAME pop_frame ()
-
-/* This sequence of words is the instructions:
-
- mflr r0 // 0x7c0802a6
- // save fpr's
- stfd r?, num(r1) // 0xd8010000 there should be 32 of this??
- // save gpr's
- stm r0, num(r1) // 0xbc010000
- stu r1, num(r1) // 0x94210000
-
- // the function we want to branch might be in a different load
- // segment. reset the toc register. Note that the actual toc address
- // will be fix by fix_call_dummy () along with function address.
-
- st r2, 0x14(r1) // 0x90410014 save toc register
- liu r2, 0x1234 // 0x3c401234 reset a new toc value 0x12345678
- oril r2, r2,0x5678 // 0x60425678
-
- // load absolute address 0x12345678 to r0
- liu r0, 0x1234 // 0x3c001234
- oril r0, r0,0x5678 // 0x60005678
- mtctr r0 // 0x7c0903a6 ctr <- r0
- bctrl // 0x4e800421 jump subroutine 0x12345678 (%ctr)
- cror 0xf, 0xf, 0xf // 0x4def7b82
- brpt // 0x7d821008, breakpoint
- cror 0xf, 0xf, 0xf // 0x4def7b82 (for 8 byte alignment)
+#define DEPRECATED_INIT_FRAME_PC_FIRST(fromleaf, prev) \
+ (fromleaf ? SAVED_PC_AFTER_CALL (prev->next) : \
+ prev->next ? FRAME_SAVED_PC (prev->next) : read_pc ())
+#define INIT_FRAME_PC(fromleaf, prev) (init_frame_pc_noop (fromleaf, prev))
+/* Flag for machine-specific stuff in shared files. FIXME */
+#define IBM6000_TARGET
- We actually start executing by saving the toc register first, since the pushing
- of the registers is done by PUSH_DUMMY_FRAME. If this were real code,
- the arguments for the function called by the `bctrl' would be pushed
- between the `stu' and the `bctrl', and we could allow it to execute through.
- But the arguments have to be pushed by GDB after the PUSH_DUMMY_FRAME is done,
- and we cannot allow to push the registers again.
-*/
-
-#define CALL_DUMMY {0x7c0802a6, 0xd8010000, 0xbc010000, 0x94210000, \
- 0x90410014, 0x3c401234, 0x60425678, \
- 0x3c001234, 0x60005678, 0x7c0903a6, 0x4e800421, \
- 0x4def7b82, 0x7d821008, 0x4def7b82 }
+/* RS6000/AIX does not support PT_STEP. Has to be simulated. */
+#define SOFTWARE_SINGLE_STEP_P() 1
+extern void rs6000_software_single_step (enum target_signal, int);
+#define SOFTWARE_SINGLE_STEP(sig,bp_p) rs6000_software_single_step (sig, bp_p)
-/* keep this as multiple of 8 (%sp requires 8 byte alignment) */
-#define CALL_DUMMY_LENGTH 56
+/* Notice when a new child process is started. */
-#define CALL_DUMMY_START_OFFSET 16
+#define TARGET_CREATE_INFERIOR_HOOK rs6000_create_inferior
+extern void rs6000_create_inferior (int);
-/* Insert the specified number of args and function address
- into a call sequence of the above form stored at DUMMYNAME. */
+/* Hook in rs6000-tdep.c for determining the TOC address when
+ calling functions in the inferior. */
-#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, using_gcc) \
- fix_call_dummy(dummyname, pc, fun, nargs, type)
+extern CORE_ADDR (*rs6000_find_toc_address_hook) (CORE_ADDR);
-/* Flag for machine-specific stuff in shared files. FIXME */
-#define IBM6000_TARGET
+/* Hook in rs6000-tdep.c to set the current architecture when starting a
+ child process. */
-/* RS6000/AIX does not support PT_STEP. Has to be simulated. */
+extern void (*rs6000_set_host_arch_hook) (int);
-#define NO_SINGLE_STEP
+/* We need solib.h for building cross debuggers. However, we don't want
+ to clobber any special solib support required by native debuggers, so
+ only include solib.h if SOLIB_ADD is not defined. */
+#ifndef SOLIB_ADD
+#include "solib.h"
+#endif
projects / deliverable / binutils-gdb.git / blobdiff