diff options
Diffstat (limited to 'gdb/gdbarch.h')
| -rw-r--r-- | gdb/gdbarch.h | 109 |
1 files changed, 87 insertions, 22 deletions
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h index 81f5174..0e334cf 100644 --- a/gdb/gdbarch.h +++ b/gdb/gdbarch.h @@ -37,7 +37,9 @@ #include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */ #if !GDB_MULTI_ARCH +/* Pull in function declarations refered to, indirectly, via macros. */ #include "value.h" /* For default_coerce_float_to_double which is referenced by a macro. */ +#include "inferior.h" /* For unsigned_address_to_pointer(). */ #endif struct frame_info; @@ -358,23 +360,6 @@ extern void set_gdbarch_read_fp (struct gdbarch *gdbarch, gdbarch_read_fp_ftype #endif /* Default (function) for non- multi-arch platforms. */ -#if (!GDB_MULTI_ARCH) && !defined (TARGET_WRITE_FP) -#define TARGET_WRITE_FP(val) (generic_target_write_fp (val)) -#endif - -typedef void (gdbarch_write_fp_ftype) (CORE_ADDR val); -extern void gdbarch_write_fp (struct gdbarch *gdbarch, CORE_ADDR val); -extern void set_gdbarch_write_fp (struct gdbarch *gdbarch, gdbarch_write_fp_ftype *write_fp); -#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_WRITE_FP) -#error "Non multi-arch definition of TARGET_WRITE_FP" -#endif -#if GDB_MULTI_ARCH -#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_WRITE_FP) -#define TARGET_WRITE_FP(val) (gdbarch_write_fp (current_gdbarch, val)) -#endif -#endif - -/* Default (function) for non- multi-arch platforms. */ #if (!GDB_MULTI_ARCH) && !defined (TARGET_READ_SP) #define TARGET_READ_SP() (generic_target_read_sp ()) #endif @@ -473,6 +458,15 @@ extern void set_gdbarch_num_pseudo_regs (struct gdbarch *gdbarch, int num_pseudo #endif #endif +/* GDB's standard (or well known) register numbers. These can map onto + a real register or a pseudo (computed) register or not be defined at + all (-1). */ + +/* Default (value) for non- multi-arch platforms. */ +#if (!GDB_MULTI_ARCH) && !defined (SP_REGNUM) +#define SP_REGNUM (-1) +#endif + extern int gdbarch_sp_regnum (struct gdbarch *gdbarch); extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum); #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (SP_REGNUM) @@ -484,6 +478,11 @@ extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum); #endif #endif +/* Default (value) for non- multi-arch platforms. */ +#if (!GDB_MULTI_ARCH) && !defined (FP_REGNUM) +#define FP_REGNUM (-1) +#endif + extern int gdbarch_fp_regnum (struct gdbarch *gdbarch); extern void set_gdbarch_fp_regnum (struct gdbarch *gdbarch, int fp_regnum); #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (FP_REGNUM) @@ -495,6 +494,11 @@ extern void set_gdbarch_fp_regnum (struct gdbarch *gdbarch, int fp_regnum); #endif #endif +/* Default (value) for non- multi-arch platforms. */ +#if (!GDB_MULTI_ARCH) && !defined (PC_REGNUM) +#define PC_REGNUM (-1) +#endif + extern int gdbarch_pc_regnum (struct gdbarch *gdbarch); extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum); #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PC_REGNUM) @@ -507,6 +511,22 @@ extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum); #endif /* Default (value) for non- multi-arch platforms. */ +#if (!GDB_MULTI_ARCH) && !defined (PS_REGNUM) +#define PS_REGNUM (-1) +#endif + +extern int gdbarch_ps_regnum (struct gdbarch *gdbarch); +extern void set_gdbarch_ps_regnum (struct gdbarch *gdbarch, int ps_regnum); +#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PS_REGNUM) +#error "Non multi-arch definition of PS_REGNUM" +#endif +#if GDB_MULTI_ARCH +#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PS_REGNUM) +#define PS_REGNUM (gdbarch_ps_regnum (current_gdbarch)) +#endif +#endif + +/* Default (value) for non- multi-arch platforms. */ #if (!GDB_MULTI_ARCH) && !defined (FP0_REGNUM) #define FP0_REGNUM (-1) #endif @@ -1670,8 +1690,8 @@ extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ #define BREAKPOINT_FROM_PC(pcptr, lenptr) (legacy_breakpoint_from_pc (pcptr, lenptr)) #endif -typedef unsigned char * (gdbarch_breakpoint_from_pc_ftype) (CORE_ADDR *pcptr, int *lenptr); -extern unsigned char * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr); +typedef const unsigned char * (gdbarch_breakpoint_from_pc_ftype) (CORE_ADDR *pcptr, int *lenptr); +extern const unsigned char * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr); extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc); #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (BREAKPOINT_FROM_PC) #error "Non multi-arch definition of BREAKPOINT_FROM_PC" @@ -2248,6 +2268,44 @@ extern void set_gdbarch_in_solib_call_trampoline (struct gdbarch *gdbarch, gdbar #endif #endif +/* Sigtramp is a routine that the kernel calls (which then calls the + signal handler). On most machines it is a library routine that is + linked into the executable. + + This macro, given a program counter value and the name of the + function in which that PC resides (which can be null if the name is + not known), returns nonzero if the PC and name show that we are in + sigtramp. + + On most machines just see if the name is sigtramp (and if we have + no name, assume we are not in sigtramp). + + FIXME: cagney/2002-04-21: The function find_pc_partial_function + calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP. + This means PC_IN_SIGTRAMP function can't be implemented by doing its + own local NAME lookup. + + FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess. + Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other + does not. */ + +/* Default (function) for non- multi-arch platforms. */ +#if (!GDB_MULTI_ARCH) && !defined (PC_IN_SIGTRAMP) +#define PC_IN_SIGTRAMP(pc, name) (legacy_pc_in_sigtramp (pc, name)) +#endif + +typedef int (gdbarch_pc_in_sigtramp_ftype) (CORE_ADDR pc, char *name); +extern int gdbarch_pc_in_sigtramp (struct gdbarch *gdbarch, CORE_ADDR pc, char *name); +extern void set_gdbarch_pc_in_sigtramp (struct gdbarch *gdbarch, gdbarch_pc_in_sigtramp_ftype *pc_in_sigtramp); +#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PC_IN_SIGTRAMP) +#error "Non multi-arch definition of PC_IN_SIGTRAMP" +#endif +#if GDB_MULTI_ARCH +#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PC_IN_SIGTRAMP) +#define PC_IN_SIGTRAMP(pc, name) (gdbarch_pc_in_sigtramp (current_gdbarch, pc, name)) +#endif +#endif + /* A target might have problems with watchpoints as soon as the stack frame of the current function has been destroyed. This mostly happens as the first action in a funtion's epilogue. in_function_epilogue_p() @@ -2386,9 +2444,16 @@ extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); architecture; ARCHES which is a list of the previously created ``struct gdbarch'' for this architecture. - The INIT function parameter INFO shall, as far as possible, be - pre-initialized with information obtained from INFO.ABFD or - previously selected architecture (if similar). + The INFO parameter is, as far as possible, be pre-initialized with + information obtained from INFO.ABFD or the previously selected + architecture. + + The ARCHES parameter is a linked list (sorted most recently used) + of all the previously created architures for this architecture + family. The (possibly NULL) ARCHES->gdbarch can used to access + values from the previously selected architecture for this + architecture family. The global ``current_gdbarch'' shall not be + used. The INIT function shall return any of: NULL - indicating that it doesn't recognize the selected architecture; an existing ``struct |