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Sanitation fixes.

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This commit is contained in:
Joern Rennecke
1997-09-02 21:43:06 +00:00
parent 28e1e54d13
commit bbce7567b6
1 changed files with 41 additions and 1 deletions
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42
sim/sh/interp.c
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@ -275,6 +275,7 @@ fail ()
abort (); abort ();
} }
/* start-sanitize-sh4 */
int int
special_address (addr, bits_written, data) special_address (addr, bits_written, data)
void *addr; void *addr;
@ -290,6 +291,7 @@ special_address (addr, bits_written, data)
return 0; return 0;
} }
/* end-sanitize-sh4 */
/* This function exists solely for the purpose of setting a breakpoint to /* This function exists solely for the purpose of setting a breakpoint to
catch simulated bus errors when running the simulator under GDB. */ catch simulated bus errors when running the simulator under GDB. */
@ -302,6 +304,9 @@ bp_holder ()
being implemented by ../common/sim_resume.c and the below should being implemented by ../common/sim_resume.c and the below should
make a call to sim_engine_halt */ make a call to sim_engine_halt */
/* restore-sanitize-sh4#define BUSERROR(addr, mask) \
restore-sanitize-sh4 if (addr & ~mask) { saved_state.asregs.exception = SIGBUS; bp_holder (); }
start-sanitize-sh4 */
#define BUSERROR(addr, mask, bits_written, data) \ #define BUSERROR(addr, mask, bits_written, data) \
if (addr & ~mask) \ if (addr & ~mask) \
{ \ { \
@ -310,6 +315,7 @@ bp_holder ()
saved_state.asregs.exception = SIGBUS; \ saved_state.asregs.exception = SIGBUS; \
bp_holder (); \ bp_holder (); \
} }
/* end-sanitize-sh4 */
/* Define this to enable register lifetime checking. /* Define this to enable register lifetime checking.
The compiler generates "add #0,rn" insns to mark registers as invalid, The compiler generates "add #0,rn" insns to mark registers as invalid,
@ -459,7 +465,10 @@ wlat_little (memory, x, value, maskl)
{ {
int v = value; int v = value;
unsigned char *p = memory + ((x) & maskl); unsigned char *p = memory + ((x) & maskl);
/* restore-sanitize-sh4 BUSERROR(x, maskl);
start-sanitize-sh4 */
BUSERROR(x, maskl, 32, v); BUSERROR(x, maskl, 32, v);
/* end-sanitize-sh4 */
p[3] = v >> 24; p[3] = v >> 24;
p[2] = v >> 16; p[2] = v >> 16;
p[1] = v >> 8; p[1] = v >> 8;
@ -472,7 +481,10 @@ wwat_little (memory, x, value, maskw)
{ {
int v = value; int v = value;
unsigned char *p = memory + ((x) & maskw); unsigned char *p = memory + ((x) & maskw);
/* restore-sanitize-sh4 BUSERROR(x, maskw);
start-sanitize-sh4 */
BUSERROR(x, maskw, 16, v); BUSERROR(x, maskw, 16, v);
/* end-sanitize-sh4 */
p[1] = v >> 8; p[1] = v >> 8;
p[0] = v; p[0] = v;
@ -485,7 +497,10 @@ wbat_any (memory, x, value, maskb)
unsigned char *p = memory + (x & maskb); unsigned char *p = memory + (x & maskb);
if (x > 0x5000000) if (x > 0x5000000)
IOMEM (x, 1, value); IOMEM (x, 1, value);
/* restore-sanitize-sh4 BUSERROR(x, maskb);
start-sanitize-sh4 */
BUSERROR(x, maskb, 8, value); BUSERROR(x, maskb, 8, value);
/* end-sanitize-sh4 */
p[0] = value; p[0] = value;
} }
@ -496,7 +511,10 @@ wlat_big (memory, x, value, maskl)
{ {
int v = value; int v = value;
unsigned char *p = memory + ((x) & maskl); unsigned char *p = memory + ((x) & maskl);
/* restore-sanitize-sh4 BUSERROR(x, maskl);
start-sanitize-sh4 */
BUSERROR(x, maskl, 32, v); BUSERROR(x, maskl, 32, v);
/* end-sanitize-sh4 */
p[0] = v >> 24; p[0] = v >> 24;
p[1] = v >> 16; p[1] = v >> 16;
@ -510,7 +528,10 @@ wwat_big (memory, x, value, maskw)
{ {
int v = value; int v = value;
unsigned char *p = memory + ((x) & maskw); unsigned char *p = memory + ((x) & maskw);
/* restore-sanitize-sh4 BUSERROR(x, maskw);
start-sanitize-sh4 */
BUSERROR(x, maskw, 16, v); BUSERROR(x, maskw, 16, v);
/* end-sanitize-sh4 */
p[0] = v >> 8; p[0] = v >> 8;
p[1] = v; p[1] = v;
@ -521,7 +542,10 @@ wbat_big (memory, x, value, maskb)
unsigned char *memory; unsigned char *memory;
{ {
unsigned char *p = memory + (x & maskb); unsigned char *p = memory + (x & maskb);
/* restore-sanitize-sh4 BUSERROR(x, maskb);
start-sanitize-sh4 */
BUSERROR(x, maskb, 8, value); BUSERROR(x, maskb, 8, value);
/* end-sanitize-sh4 */
if (x > 0x5000000) if (x > 0x5000000)
IOMEM (x, 1, value); IOMEM (x, 1, value);
@ -535,7 +559,10 @@ rlat_little (memory, x, maskl)
unsigned char *memory; unsigned char *memory;
{ {
unsigned char *p = memory + ((x) & maskl); unsigned char *p = memory + ((x) & maskl);
/* restore-sanitize-sh4 BUSERROR(x, maskl);
start-sanitize-sh4 */
BUSERROR(x, maskl, -32, -1); BUSERROR(x, maskl, -32, -1);
/* end-sanitize-sh4 */
return (p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]; return (p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0];
} }
@ -545,7 +572,10 @@ rwat_little (memory, x, maskw)
unsigned char *memory; unsigned char *memory;
{ {
unsigned char *p = memory + ((x) & maskw); unsigned char *p = memory + ((x) & maskw);
/* restore-sanitize-sh4 BUSERROR(x, maskw);
start-sanitize-sh4 */
BUSERROR(x, maskw, -16, -1); BUSERROR(x, maskw, -16, -1);
/* end-sanitize-sh4 */
return (p[1] << 8) | p[0]; return (p[1] << 8) | p[0];
} }
@ -555,7 +585,10 @@ rbat_any (memory, x, maskb)
unsigned char *memory; unsigned char *memory;
{ {
unsigned char *p = memory + ((x) & maskb); unsigned char *p = memory + ((x) & maskb);
/* restore-sanitize-sh4 BUSERROR(x, maskb);
start-sanitize-sh4 */
BUSERROR(x, maskb, -8, -1); BUSERROR(x, maskb, -8, -1);
/* end-sanitize-sh4 */
return p[0]; return p[0];
} }
@ -565,6 +598,10 @@ rlat_big (memory, x, maskl)
unsigned char *memory; unsigned char *memory;
{ {
unsigned char *p = memory + ((x) & maskl); unsigned char *p = memory + ((x) & maskl);
/* restore-sanitize-sh4 BUSERROR(x, maskl);
start-sanitize-sh4 */
BUSERROR(x, maskl, -32, -1);
/* end-sanitize-sh4 */
return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]; return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
} }
@ -574,7 +611,10 @@ rwat_big (memory, x, maskw)
unsigned char *memory; unsigned char *memory;
{ {
unsigned char *p = memory + ((x) & maskw); unsigned char *p = memory + ((x) & maskw);
/* restore-sanitize-sh4 BUSERROR(x, maskw);
start-sanitize-sh4 */
BUSERROR(x, maskw, -16, -1); BUSERROR(x, maskw, -16, -1);
/* end-sanitize-sh4 */
return (p[0] << 8) | p[1]; return (p[0] << 8) | p[1];
} }
@ -1576,7 +1616,7 @@ sim_create_inferior (sd, prog_bfd, argv, env)
char **argv; char **argv;
char **env; char **env;
{ {
/* clear the registers (retaining the PC) */ /* clear the registers */
memset (&saved_state, 0, memset (&saved_state, 0,
(char*)&saved_state.asregs.end_of_registers - (char*)&saved_state); (char*)&saved_state.asregs.end_of_registers - (char*)&saved_state);
/* set the PC */ /* set the PC */