X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fsparc-nat.c;h=f1d82e5049b907ab796b20ce82bc892e8409f57f;hb=fc958966e47f622d738088509bacd0573a9db2c7;hp=9136c28b258706a30a115fdbae6ae10f3e75f486;hpb=28439f5ef78fd28c36bfc8c4b262f44fdd1ec40f;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/sparc-nat.c b/gdb/sparc-nat.c index 9136c28b25..f1d82e5049 100644 --- a/gdb/sparc-nat.c +++ b/gdb/sparc-nat.c @@ -1,7 +1,6 @@ /* Native-dependent code for SPARC. - Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009 - Free Software Foundation, Inc. + Copyright (C) 2003-2015 Free Software Foundation, Inc. This file is part of GDB. @@ -23,9 +22,7 @@ #include "regcache.h" #include "target.h" -#include "gdb_assert.h" #include -#include "gdb_string.h" #include #include "gdb_wait.h" #ifdef HAVE_MACHINE_REG_H @@ -82,20 +79,23 @@ typedef struct fp_status fpregset_t; #endif /* Register set description. */ -const struct sparc_gregset *sparc_gregset; -void (*sparc_supply_gregset) (const struct sparc_gregset *, +const struct sparc_gregmap *sparc_gregmap; +const struct sparc_fpregmap *sparc_fpregmap; +void (*sparc_supply_gregset) (const struct sparc_gregmap *, struct regcache *, int , const void *); -void (*sparc_collect_gregset) (const struct sparc_gregset *, +void (*sparc_collect_gregset) (const struct sparc_gregmap *, const struct regcache *, int, void *); -void (*sparc_supply_fpregset) (struct regcache *, int , const void *); -void (*sparc_collect_fpregset) (const struct regcache *, int , void *); -int (*sparc_gregset_supplies_p) (int); -int (*sparc_fpregset_supplies_p) (int); +void (*sparc_supply_fpregset) (const struct sparc_fpregmap *, + struct regcache *, int , const void *); +void (*sparc_collect_fpregset) (const struct sparc_fpregmap *, + const struct regcache *, int , void *); +int (*sparc_gregset_supplies_p) (struct gdbarch *, int); +int (*sparc_fpregset_supplies_p) (struct gdbarch *, int); /* Determine whether `gregset_t' contains register REGNUM. */ int -sparc32_gregset_supplies_p (int regnum) +sparc32_gregset_supplies_p (struct gdbarch *gdbarch, int regnum) { /* Integer registers. */ if ((regnum >= SPARC_G1_REGNUM && regnum <= SPARC_G7_REGNUM) @@ -117,7 +117,7 @@ sparc32_gregset_supplies_p (int regnum) /* Determine whether `fpregset_t' contains register REGNUM. */ int -sparc32_fpregset_supplies_p (int regnum) +sparc32_fpregset_supplies_p (struct gdbarch *gdbarch, int regnum) { /* Floating-point registers. */ if (regnum >= SPARC_F0_REGNUM && regnum <= SPARC_F31_REGNUM) @@ -137,6 +137,7 @@ void sparc_fetch_inferior_registers (struct target_ops *ops, struct regcache *regcache, int regnum) { + struct gdbarch *gdbarch = get_regcache_arch (regcache); int pid; /* NOTE: cagney/2002-12-03: This code assumes that the currently @@ -152,36 +153,38 @@ sparc_fetch_inferior_registers (struct target_ops *ops, These functions should instead be paramaterized with an explicit object (struct regcache, struct thread_info?) into which the LWPs registers can be written. */ - pid = TIDGET (inferior_ptid); + pid = ptid_get_lwp (inferior_ptid); if (pid == 0) - pid = PIDGET (inferior_ptid); + pid = ptid_get_pid (inferior_ptid); if (regnum == SPARC_G0_REGNUM) { - regcache_raw_supply (regcache, SPARC_G0_REGNUM, NULL); + gdb_byte zero[8] = { 0 }; + + regcache_raw_supply (regcache, SPARC_G0_REGNUM, &zero); return; } - if (regnum == -1 || sparc_gregset_supplies_p (regnum)) + if (regnum == -1 || sparc_gregset_supplies_p (gdbarch, regnum)) { gregset_t regs; if (ptrace (PTRACE_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1) perror_with_name (_("Couldn't get registers")); - sparc_supply_gregset (sparc_gregset, regcache, -1, ®s); + sparc_supply_gregset (sparc_gregmap, regcache, -1, ®s); if (regnum != -1) return; } - if (regnum == -1 || sparc_fpregset_supplies_p (regnum)) + if (regnum == -1 || sparc_fpregset_supplies_p (gdbarch, regnum)) { fpregset_t fpregs; if (ptrace (PTRACE_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) perror_with_name (_("Couldn't get floating point status")); - sparc_supply_fpregset (regcache, -1, &fpregs); + sparc_supply_fpregset (sparc_fpregmap, regcache, -1, &fpregs); } } @@ -189,22 +192,23 @@ void sparc_store_inferior_registers (struct target_ops *ops, struct regcache *regcache, int regnum) { + struct gdbarch *gdbarch = get_regcache_arch (regcache); int pid; /* NOTE: cagney/2002-12-02: See comment in fetch_inferior_registers about threaded assumptions. */ - pid = TIDGET (inferior_ptid); + pid = ptid_get_lwp (inferior_ptid); if (pid == 0) - pid = PIDGET (inferior_ptid); + pid = ptid_get_pid (inferior_ptid); - if (regnum == -1 || sparc_gregset_supplies_p (regnum)) + if (regnum == -1 || sparc_gregset_supplies_p (gdbarch, regnum)) { gregset_t regs; if (ptrace (PTRACE_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1) perror_with_name (_("Couldn't get registers")); - sparc_collect_gregset (sparc_gregset, regcache, regnum, ®s); + sparc_collect_gregset (sparc_gregmap, regcache, regnum, ®s); if (ptrace (PTRACE_SETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1) perror_with_name (_("Couldn't write registers")); @@ -223,7 +227,7 @@ sparc_store_inferior_registers (struct target_ops *ops, return; } - if (regnum == -1 || sparc_fpregset_supplies_p (regnum)) + if (regnum == -1 || sparc_fpregset_supplies_p (gdbarch, regnum)) { fpregset_t fpregs, saved_fpregs; @@ -231,7 +235,7 @@ sparc_store_inferior_registers (struct target_ops *ops, perror_with_name (_("Couldn't get floating-point registers")); memcpy (&saved_fpregs, &fpregs, sizeof (fpregs)); - sparc_collect_fpregset (regcache, regnum, &fpregs); + sparc_collect_fpregset (sparc_fpregmap, regcache, regnum, &fpregs); /* Writing the floating-point registers will fail on NetBSD with EINVAL if the inferior process doesn't have an FPU state @@ -250,12 +254,14 @@ sparc_store_inferior_registers (struct target_ops *ops, } -/* Fetch StackGhost Per-Process XOR cookie. */ +/* Implement the to_xfer_partial target_ops method for + TARGET_OBJECT_WCOOKIE. Fetch StackGhost Per-Process XOR cookie. */ -LONGEST +static enum target_xfer_status sparc_xfer_wcookie (struct target_ops *ops, enum target_object object, const char *annex, gdb_byte *readbuf, - const gdb_byte *writebuf, ULONGEST offset, LONGEST len) + const gdb_byte *writebuf, ULONGEST offset, ULONGEST len, + ULONGEST *xfered_len) { unsigned long wcookie = 0; char *buf = (char *)&wcookie; @@ -264,9 +270,9 @@ sparc_xfer_wcookie (struct target_ops *ops, enum target_object object, gdb_assert (readbuf && writebuf == NULL); if (offset == sizeof (unsigned long)) - return 0; /* Signal EOF. */ + return TARGET_XFER_EOF; /* Signal EOF. */ if (offset > sizeof (unsigned long)) - return -1; + return TARGET_XFER_E_IO; #ifdef PT_WCOOKIE /* If PT_WCOOKIE is defined (by ), assume we're @@ -274,11 +280,7 @@ sparc_xfer_wcookie (struct target_ops *ops, enum target_object object, later). Since release 3.6, OpenBSD uses a fully randomized cookie. */ { - int pid; - - pid = TIDGET (inferior_ptid); - if (pid == 0) - pid = PIDGET (inferior_ptid); + int pid = ptid_get_pid (inferior_ptid); /* Sanity check. The proper type for a cookie is register_t, but we can't assume that this type exists on all systems supported @@ -304,24 +306,24 @@ sparc_xfer_wcookie (struct target_ops *ops, enum target_object object, len = sizeof (unsigned long) - offset; memcpy (readbuf, buf + offset, len); - return len; + *xfered_len = (ULONGEST) len; + return TARGET_XFER_OK; } -LONGEST (*inf_ptrace_xfer_partial) (struct target_ops *, enum target_object, - const char *, gdb_byte *, const gdb_byte *, - ULONGEST, LONGEST); +target_xfer_partial_ftype *inf_ptrace_xfer_partial; -static LONGEST +static enum target_xfer_status sparc_xfer_partial (struct target_ops *ops, enum target_object object, const char *annex, gdb_byte *readbuf, - const gdb_byte *writebuf, ULONGEST offset, LONGEST len) + const gdb_byte *writebuf, ULONGEST offset, ULONGEST len, + ULONGEST *xfered_len) { if (object == TARGET_OBJECT_WCOOKIE) return sparc_xfer_wcookie (ops, object, annex, readbuf, writebuf, - offset, len); + offset, len, xfered_len); return inf_ptrace_xfer_partial (ops, object, annex, readbuf, writebuf, - offset, len); + offset, len, xfered_len); } /* Create a prototype generic SPARC target. The client can override @@ -348,8 +350,10 @@ void _initialize_sparc_nat (void) { /* Deafult to using SunOS 4 register sets. */ - if (sparc_gregset == NULL) - sparc_gregset = &sparc32_sunos4_gregset; + if (sparc_gregmap == NULL) + sparc_gregmap = &sparc32_sunos4_gregmap; + if (sparc_fpregmap == NULL) + sparc_fpregmap = &sparc32_sunos4_fpregmap; if (sparc_supply_gregset == NULL) sparc_supply_gregset = sparc32_supply_gregset; if (sparc_collect_gregset == NULL)