diff options
Diffstat (limited to 'gdb/config/i386/tm-i386os9k.h')
| -rw-r--r-- | gdb/config/i386/tm-i386os9k.h | 67 |
1 files changed, 20 insertions, 47 deletions
diff --git a/gdb/config/i386/tm-i386os9k.h b/gdb/config/i386/tm-i386os9k.h index ac1468e..75de74e 100644 --- a/gdb/config/i386/tm-i386os9k.h +++ b/gdb/config/i386/tm-i386os9k.h @@ -16,20 +16,23 @@ 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. */ -/* Override number of expected traps from sysv. */ -#define START_INFERIOR_TRAPS_EXPECTED 2 +#ifndef TM_I386OS9K_H +#define TM_I386OS9K_H 1 -/* Most definitions from sysv could be used. */ -#include "i386/tm-i386v.h" +#include "i386/tm-i386.h" -/* 386BSD cannot handle the segment registers. */ -/* BSDI can't handle them either. */ -#if 0 -#undef NUM_REGS -#define NUM_REGS 10 -#endif 0 +/* Number of machine registers */ -#undef REGISTER_NAMES +#undef NUM_REGS +#define NUM_REGS (16) /* Basic i*86 regs */ + +/* Initializer for an array of names of registers. There should be at least + NUM_REGS strings in this initializer. Any excess ones are simply ignored. + The order of the first 8 registers must match the compiler's numbering + scheme (which is the same as the 386 scheme) and also regmap in the various + *-nat.c files. */ + +#undef REGISTER_NAMES #define REGISTER_NAMES { "eax", "ecx", "edx", "ebx", \ "esp", "ebp", "esi", "edi", \ "eip", "eflags", "cs", "ss", \ @@ -37,6 +40,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ } #define DATABASE_REG 3 /* ebx */ + +/* Amount PC must be decremented by after a breakpoint. This is often the + number of bytes in BREAKPOINT but not always (such as now). */ + #undef DECR_PC_AFTER_BREAK #define DECR_PC_AFTER_BREAK 0 @@ -46,45 +53,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define SIGTRAMP_START 0xfdbfdfc0 #define SIGTRAMP_END 0xfdbfe000 -/* The following redefines make backtracing through sigtramp work. - They manufacture a fake sigtramp frame and obtain the saved pc in sigtramp - from the sigcontext structure which is pushed by the kernel on the - user stack, along with a pointer to it. */ - -/* FRAME_CHAIN takes a frame's nominal address and produces the frame's - chain-pointer. - In the case of the i386, the frame's nominal address - is the address of a 4-byte word containing the calling frame's address. */ -#undef FRAME_CHAIN -#define FRAME_CHAIN(thisframe) \ - (thisframe->signal_handler_caller \ - ? thisframe->frame \ - : (!inside_entry_file ((thisframe)->pc) \ - ? read_memory_integer ((thisframe)->frame, 4) \ - : 0)) - -/* 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. */ -#undef FRAMELESS_FUNCTION_INVOCATION -#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \ - do { \ - if ((FI)->signal_handler_caller) \ - (FRAMELESS) = 0; \ - else \ - (FRAMELESS) = frameless_look_for_prologue(FI); \ - } while (0) - /* Saved Pc. Get it from sigcontext if within sigtramp. */ /* Offset to saved PC in sigcontext, from <sys/signal.h>. */ #define SIGCONTEXT_PC_OFFSET 20 -#undef FRAME_SAVED_PC(FRAME) -#define FRAME_SAVED_PC(FRAME) \ - (((FRAME)->signal_handler_caller \ - ? sigtramp_saved_pc (FRAME) \ - : read_memory_integer ((FRAME)->frame + 4, 4)) \ - ) - #define BELIEVE_PCC_PROMOTION 1 + +#endif /* #ifndef TM_I386OS9K_H */ |