diff options
Diffstat (limited to 'gdb/rs6000-tdep.c')
| -rw-r--r-- | gdb/rs6000-tdep.c | 79 |
1 files changed, 38 insertions, 41 deletions
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index e715399..30702c6 100644 --- a/gdb/rs6000-tdep.c +++ b/gdb/rs6000-tdep.c @@ -26,11 +26,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "gdbcore.h" #include "symfile.h" #include "objfiles.h" - #include "xcoffsolib.h" -#include <a.out.h> - extern struct obstack frame_cache_obstack; extern int errno; @@ -49,19 +46,16 @@ static struct sstep_breaks { /* Static function prototypes */ -static CORE_ADDR -find_toc_address PARAMS ((CORE_ADDR pc)); +static CORE_ADDR find_toc_address PARAMS ((CORE_ADDR pc)); -static CORE_ADDR -branch_dest PARAMS ((int opcode, int instr, CORE_ADDR pc, CORE_ADDR safety)); +static CORE_ADDR branch_dest PARAMS ((int opcode, int instr, CORE_ADDR pc, + CORE_ADDR safety)); -static void -frame_get_cache_fsr PARAMS ((struct frame_info *fi, - struct rs6000_framedata *fdatap)); +static void frame_get_cache_fsr PARAMS ((struct frame_info *fi, + struct rs6000_framedata *fdatap)); + +/* Calculate the destination of a branch/jump. Return -1 if not a branch. */ -/* - * Calculate the destination of a branch/jump. Return -1 if not a branch. - */ static CORE_ADDR branch_dest (opcode, instr, pc, safety) int opcode; @@ -641,12 +635,12 @@ pop_frame () its argumets will be passed by gdb. */ void -fix_call_dummy(dummyname, pc, fun, nargs, type) - char *dummyname; - CORE_ADDR pc; - CORE_ADDR fun; - int nargs; /* not used */ - int type; /* not used */ +fix_call_dummy (dummyname, pc, fun, nargs, type) + char *dummyname; + CORE_ADDR pc; + CORE_ADDR fun; + int nargs; /* not used */ + int type; /* not used */ { #define TOC_ADDR_OFFSET 20 #define TARGET_ADDR_OFFSET 28 @@ -675,12 +669,13 @@ fix_call_dummy(dummyname, pc, fun, nargs, type) *(int*)((char*)dummyname + TARGET_ADDR_OFFSET+4) = ii; } -/* Pass the arguments in either registers, or in the stack. In RS6000, the first - eight words of the argument list (that might be less than eight parameters if - some parameters occupy more than one word) are passed in r3..r11 registers. - float and double parameters are passed in fpr's, in addition to that. Rest of - the parameters if any are passed in user stack. There might be cases in which - half of the parameter is copied into registers, the other half is pushed into +/* Pass the arguments in either registers, or in the stack. In RS6000, + the first eight words of the argument list (that might be less than + eight parameters if some parameters occupy more than one word) are + passed in r3..r11 registers. float and double parameters are + passed in fpr's, in addition to that. Rest of the parameters if any + are passed in user stack. There might be cases in which half of the + parameter is copied into registers, the other half is pushed into stack. If the function is returning a structure, then the return address is passed @@ -689,11 +684,11 @@ fix_call_dummy(dummyname, pc, fun, nargs, type) CORE_ADDR push_arguments (nargs, args, sp, struct_return, struct_addr) - int nargs; - value_ptr *args; - CORE_ADDR sp; - int struct_return; - CORE_ADDR struct_addr; + int nargs; + value_ptr *args; + CORE_ADDR sp; + int struct_return; + CORE_ADDR struct_addr; { int ii, len; int argno; /* current argument number */ @@ -853,9 +848,9 @@ ran_out_of_registers_for_arguments: void extract_return_value (valtype, regbuf, valbuf) - struct type *valtype; - char regbuf[REGISTER_BYTES]; - char *valbuf; + struct type *valtype; + char regbuf[REGISTER_BYTES]; + char *valbuf; { int offset = 0; @@ -905,7 +900,7 @@ CORE_ADDR rs6000_struct_return_address; CORE_ADDR skip_trampoline_code (pc) -CORE_ADDR pc; + CORE_ADDR pc; { register unsigned int ii, op; CORE_ADDR solib_target_pc; @@ -936,8 +931,8 @@ CORE_ADDR pc; return pc; } - /* Determines whether the function FI has a frame on the stack or not. */ + int frameless_function_invocation (fi) struct frame_info *fi; @@ -964,6 +959,7 @@ frameless_function_invocation (fi) } /* Return the PC saved in a frame */ + unsigned long frame_saved_pc (fi) struct frame_info *fi; @@ -1212,12 +1208,13 @@ add_text_to_loadinfo (textaddr, dataaddr) } -/* Note that this assumes that the "textorg" and "dataorg" elements - of a member of this array are correlated with the "toc_offset" - element of the same member. This is taken care of because the loops - which assign the former (in xcoff_relocate_symtab or xcoff_relocate_core) - and the latter (in scan_xcoff_symtab, via vmap_symtab, in vmap_ldinfo - or xcoff_relocate_core) traverse the same objfiles in the same order. */ +/* Note that this assumes that the "textorg" and "dataorg" elements of + a member of this array are correlated with the "toc_offset" element + of the same member. This is taken care of because the loops which + assign the former (in xcoff_relocate_symtab or xcoff_relocate_core) + and the latter (in scan_xcoff_symtab, via vmap_symtab, in + vmap_ldinfo or xcoff_relocate_core) traverse the same objfiles in + the same order. */ static CORE_ADDR find_toc_address (pc) |