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| author | Steve Chamberlain <sac@cygnus> | 1995-06-21 22:05:47 +0000 |
|---|---|---|
| committer | Steve Chamberlain <sac@cygnus> | 1995-06-21 22:05:47 +0000 |
| commit | edf6a8435680e770828350718f82bd42983f5a82 (patch) | |
| tree | c1d043a119d8b6e726c7590fdf8af3f0f9b93763 /sim/sh/interp.c | |
| parent | 652970ff68f9f38f8e31ec95c6cf537bd306022f (diff) | |
| download | gdb-edf6a8435680e770828350718f82bd42983f5a82.zip gdb-edf6a8435680e770828350718f82bd42983f5a82.tar.gz gdb-edf6a8435680e770828350718f82bd42983f5a82.tar.bz2 | |
* interp.c: (SIGBUS, SIGTERM): Define if not.
(sim_memory_size): default to 2^19 on PCs.
(sim_resume): Poll for quits on win32.
Diffstat (limited to 'sim/sh/interp.c')
| -rw-r--r-- | sim/sh/interp.c | 47 |
1 files changed, 35 insertions, 12 deletions
diff --git a/sim/sh/interp.c b/sim/sh/interp.c index 38a1d26..8bf1de8 100644 --- a/sim/sh/interp.c +++ b/sim/sh/interp.c @@ -20,16 +20,25 @@ #include <signal.h> #include "sysdep.h" -#include <sys/times.h> -#include <sys/param.h> +//#include <sys/times.h> +//#include <sys/param.h> #include "bfd.h" #include "remote-sim.h" -#include "../../newlib/libc/sys/sh/sys/syscall.h" +#include <sys/syscall.h> + +#ifndef SIGBUS +#define SIGBUS SIGSEGV +#endif +#ifndef SIGQUIT +#define SIGQUIT SIGTERM +#endif + #define O_RECOMPILE 85 #define DEFINE_TABLE -/*#define ACE_FAST*/ #define DISASSEMBLER_TABLE + + #define SBIT(x) ((x)&sbit) #define R0 saved_state.asregs.regs[0] #define Rn saved_state.asregs.regs[n] @@ -142,7 +151,7 @@ typedef union } asregs; - int asints[28]; + int asints[28]; } saved_state_type; saved_state_type saved_state; @@ -305,7 +314,7 @@ int empty[16]; #define TL(x) if ((x) == prevlock) stalls++; #define TB(x,y) if ((x) == prevlock || (y)==prevlock) stalls++; -#ifdef __GO32__ +#if defined(__GO32__) || defined(WIN32) int sim_memory_size = 19; #else int sim_memory_size = 24; @@ -467,7 +476,7 @@ trap (i, regs, memory, maskl, maskw, little_endian) switch (regs[4]) { -#ifndef __GO32__ +#if !defined(__GO32__) && !defined(WIN32) case SYS_fork: regs[0] = fork (); @@ -758,8 +767,11 @@ macw (regs, memory, n, m) } else { + long mach; /* Add to MACH the sign extended product, and carry from low sum. */ - MACH += (-(prod < 0)) + ((unsigned long) sum < prod); + mach = MACH + (-(prod < 0)) + ((unsigned long) sum < prod); + /* Sign extend at 10:th bit in MACH. */ + MACH = (mach & 0x1ff) | -(mach & 0x200); } MACL = sum; } @@ -796,7 +808,7 @@ sim_size (power) } -extern int target_byte_order; +int target_byte_order; static void set_static_little_endian(x) @@ -885,7 +897,7 @@ sim_resume (step, siggnal) register int prevlock; register int thislock; register unsigned int doprofile; -#ifdef __GO32__ +#if defined(__GO32__) || defined(WIN32) register int pollcount = 0; #endif register int little_endian = target_byte_order == 1234; @@ -961,6 +973,17 @@ sim_resume (step, siggnal) } } #endif +#if defined (WIN32) + pollcount++; + if (pollcount > 1000) + { + pollcount = 0; + if (win32pollquit()) + { + control_c(); + } + } +#endif #ifndef ACE_FAST prevlock = thislock; @@ -989,8 +1012,7 @@ sim_resume (step, siggnal) while (!saved_state.asregs.exception); if (saved_state.asregs.exception == SIGILL - || saved_state.asregs.exception == SIGBUS - || (saved_state.asregs.exception == SIGTRAP && !step)) + || saved_state.asregs.exception == SIGBUS) { pc -= 2; } @@ -1163,3 +1185,4 @@ sim_kill () { /* nothing to do */ } + |