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-rw-r--r--gdb/lynx-nat.c173
1 files changed, 92 insertions, 81 deletions
diff --git a/gdb/lynx-nat.c b/gdb/lynx-nat.c
index 78cfecb..1b40cbd 100644
--- a/gdb/lynx-nat.c
+++ b/gdb/lynx-nat.c
@@ -96,78 +96,86 @@ static int regmap[] =
};
#endif
-#ifdef SPARC
-/* Mappings from tm-sparc.h */
-
-#define FX(ENTRY)(offsetof(struct fcontext, ENTRY))
+#ifdef rs6000
static int regmap[] =
{
- -1, /* g0 */
- X(g1),
- X(g2),
- X(g3),
- X(g4),
- -1, /* g5->g7 aren't saved by Lynx */
- -1,
- -1,
-
- X(o[0]),
- X(o[1]),
- X(o[2]),
- X(o[3]),
- X(o[4]),
- X(o[5]),
- X(o[6]), /* sp */
- X(o[7]), /* ra */
-
- -1,-1,-1,-1,-1,-1,-1,-1, /* l0 -> l7 */
-
- -1,-1,-1,-1,-1,-1,-1,-1, /* i0 -> i7 */
-
- FX(f.fregs[0]), /* f0 */
- FX(f.fregs[1]),
- FX(f.fregs[2]),
- FX(f.fregs[3]),
- FX(f.fregs[4]),
- FX(f.fregs[5]),
- FX(f.fregs[6]),
- FX(f.fregs[7]),
- FX(f.fregs[8]),
- FX(f.fregs[9]),
- FX(f.fregs[10]),
- FX(f.fregs[11]),
- FX(f.fregs[12]),
- FX(f.fregs[13]),
- FX(f.fregs[14]),
- FX(f.fregs[15]),
- FX(f.fregs[16]),
- FX(f.fregs[17]),
- FX(f.fregs[18]),
- FX(f.fregs[19]),
- FX(f.fregs[20]),
- FX(f.fregs[21]),
- FX(f.fregs[22]),
- FX(f.fregs[23]),
- FX(f.fregs[24]),
- FX(f.fregs[25]),
- FX(f.fregs[26]),
- FX(f.fregs[27]),
- FX(f.fregs[28]),
- FX(f.fregs[29]),
- FX(f.fregs[30]),
- FX(f.fregs[31]),
-
- X(y),
- X(psr),
- X(wim),
- X(tbr),
- X(pc),
- X(npc),
- FX(fsr), /* fpsr */
- -1, /* cpsr */
+ X(iregs[0]), /* r0 */
+ X(iregs[1]),
+ X(iregs[2]),
+ X(iregs[3]),
+ X(iregs[4]),
+ X(iregs[5]),
+ X(iregs[6]),
+ X(iregs[7]),
+ X(iregs[8]),
+ X(iregs[9]),
+ X(iregs[10]),
+ X(iregs[11]),
+ X(iregs[12]),
+ X(iregs[13]),
+ X(iregs[14]),
+ X(iregs[15]),
+ X(iregs[16]),
+ X(iregs[17]),
+ X(iregs[18]),
+ X(iregs[19]),
+ X(iregs[20]),
+ X(iregs[21]),
+ X(iregs[22]),
+ X(iregs[23]),
+ X(iregs[24]),
+ X(iregs[25]),
+ X(iregs[26]),
+ X(iregs[27]),
+ X(iregs[28]),
+ X(iregs[29]),
+ X(iregs[30]),
+ X(iregs[31]),
+
+ X(fregs[0]), /* f0 */
+ X(fregs[1]),
+ X(fregs[2]),
+ X(fregs[3]),
+ X(fregs[4]),
+ X(fregs[5]),
+ X(fregs[6]),
+ X(fregs[7]),
+ X(fregs[8]),
+ X(fregs[9]),
+ X(fregs[10]),
+ X(fregs[11]),
+ X(fregs[12]),
+ X(fregs[13]),
+ X(fregs[14]),
+ X(fregs[15]),
+ X(fregs[16]),
+ X(fregs[17]),
+ X(fregs[18]),
+ X(fregs[19]),
+ X(fregs[20]),
+ X(fregs[21]),
+ X(fregs[22]),
+ X(fregs[23]),
+ X(fregs[24]),
+ X(fregs[25]),
+ X(fregs[26]),
+ X(fregs[27]),
+ X(fregs[28]),
+ X(fregs[29]),
+ X(fregs[30]),
+ X(fregs[31]),
+
+ X(srr0), /* IAR (PC) */
+ X(srr1), /* MSR (PS) */
+ X(cr), /* CR */
+ X(lr), /* LR */
+ X(ctr), /* CTR */
+ X(xer), /* XER */
+ X(mq) /* MQ */
};
-#endif
+
+#endif /* rs6000 */
#ifdef SPARC
@@ -205,7 +213,7 @@ fetch_inferior_registers (regno)
retval = ptrace (PTRACE_GETREGS, inferior_pid, (PTRACE_ARG3_TYPE) &ec,
0);
if (errno)
- perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
+ perror_with_name ("ptrace(PTRACE_GETREGS)");
memset (buf, 0, REGISTER_RAW_SIZE (G0_REGNUM));
supply_register (G0_REGNUM, buf);
@@ -258,7 +266,7 @@ fetch_inferior_registers (regno)
retval = ptrace (PTRACE_GETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) &fc,
0);
if (errno)
- perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
+ perror_with_name ("ptrace(PTRACE_GETFPREGS)");
memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)], fc.f.fregs,
32 * REGISTER_RAW_SIZE (FP0_REGNUM));
@@ -315,7 +323,7 @@ store_inferior_registers (regno)
retval = ptrace (PTRACE_SETREGS, inferior_pid, (PTRACE_ARG3_TYPE) &ec,
0);
if (errno)
- perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
+ perror_with_name ("ptrace(PTRACE_SETREGS)");
}
if (whatregs & WHATREGS_STACK)
@@ -362,7 +370,7 @@ store_inferior_registers (regno)
retval = ptrace (PTRACE_GETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) &fc,
0);
if (errno)
- perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
+ perror_with_name ("ptrace(PTRACE_GETFPREGS)");
memcpy (fc.f.fregs, &registers[REGISTER_BYTE (FP0_REGNUM)],
32 * REGISTER_RAW_SIZE (FP0_REGNUM));
@@ -373,12 +381,12 @@ store_inferior_registers (regno)
retval = ptrace (PTRACE_SETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) &fc,
0);
if (errno)
- perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
+ perror_with_name ("ptrace(PTRACE_SETFPREGS)");
}
}
#endif /* SPARC */
-#ifndef SPARC
+#if defined (I386) || defined (M68K) || defined (rs6000)
/* Return the offset relative to the start of the per-thread data to the
saved context block. */
@@ -395,12 +403,12 @@ registers_addr(pid)
stblock = (CORE_ADDR) ptrace (PTRACE_THREADUSER, pid, (PTRACE_ARG3_TYPE)0,
0);
if (errno)
- perror_with_name ("registers_addr(PTRACE_THREADUSER)");
+ perror_with_name ("ptrace(PTRACE_THREADUSER)");
ecp = (CORE_ADDR) ptrace (PTRACE_PEEKTHREAD, pid, (PTRACE_ARG3_TYPE)ecpoff,
0);
if (errno)
- perror_with_name ("registers_addr(PTRACE_PEEKTHREAD)");
+ perror_with_name ("ptrace(PTRACE_PEEKTHREAD)");
return ecp - stblock;
}
@@ -432,7 +440,7 @@ fetch_inferior_registers (regno)
char buf[MAX_REGISTER_RAW_SIZE];
int ptrace_fun = PTRACE_PEEKTHREAD;
-#ifdef PTRACE_PEEKUSP
+#ifdef M68K
ptrace_fun = regno == SP_REGNUM ? PTRACE_PEEKUSP : PTRACE_PEEKTHREAD;
#endif
@@ -444,7 +452,7 @@ fetch_inferior_registers (regno)
reg = ptrace (ptrace_fun, inferior_pid,
(PTRACE_ARG3_TYPE) (ecp + regmap[regno] + i), 0);
if (errno)
- perror_with_name ("fetch_inferior_registers(ptrace)");
+ perror_with_name ("ptrace(PTRACE_PEEKUSP)");
*(int *)&buf[i] = reg;
}
@@ -478,7 +486,10 @@ store_inferior_registers (regno)
{
int ptrace_fun = PTRACE_POKEUSER;
-#ifdef PTRACE_POKEUSP
+ if (CANNOT_STORE_REGISTER (regno))
+ continue;
+
+#ifdef M68K
ptrace_fun = regno == SP_REGNUM ? PTRACE_POKEUSP : PTRACE_POKEUSER;
#endif
@@ -492,11 +503,11 @@ store_inferior_registers (regno)
ptrace (ptrace_fun, inferior_pid,
(PTRACE_ARG3_TYPE) (ecp + regmap[regno] + i), reg);
if (errno)
- perror_with_name ("PTRACE_POKEUSER");
+ perror_with_name ("ptrace(PTRACE_POKEUSP)");
}
}
}
-#endif /* ifndef SPARC */
+#endif /* defined (I386) || defined (M68K) || defined (rs6000) */
/* Wait for child to do something. Return pid of child, or -1 in case
of error; store status through argument pointer OURSTATUS. */
generated by cgit v1.1 at 2024-12-22 10:22:21 +0000