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* ppc-linux-tdep.c (ELF_NGREG, ELF_NFPREG, ELF_NVRREG)

Browse source 
(ELF_FPREGSET_SIZE, ELF_GREGSET_SIZE): New enums.
        (fetch_core_registers, ppc_linux_supply_gregset)
        (ppc_linux_supply_fpregset): New functions.
        (ppc_linux_regset_core_fns): New.
        (_initialize_ppc_linux_tdep): Call add_core_fns.
        * ppc-tdep.h: Add prototypes for ppc_linux_supply_fpregset
        and ppc_linux_supply_gregset.
        * ppc-linux-nat.c (supply_gregset): Call ppc_linux_supply_gregset.
        (supply_fpregset): Call ppc_linux_supply_fpregset.
        * config/powerpc/linux.mh (NATDEPFILES): Remove core-regset.o and
        corelow.o.
        * config/powerpc/linux.mt (TDEPFILES): Add corelow.o.
This commit is contained in:
Daniel Jacobowitz 2002-07-30 19:03:49 +00:00
parent 3e000b1880
commit 2fda49774f
6 changed files with 106 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

16
gdb/ChangeLog
View file

@ -1,3 +1,19 @@
2002-07-30 Daniel Jacobowitz <drow@mvista.com>
* ppc-linux-tdep.c (ELF_NGREG, ELF_NFPREG, ELF_NVRREG)
(ELF_FPREGSET_SIZE, ELF_GREGSET_SIZE): New enums.
(fetch_core_registers, ppc_linux_supply_gregset)
(ppc_linux_supply_fpregset): New functions.
(ppc_linux_regset_core_fns): New.
(_initialize_ppc_linux_tdep): Call add_core_fns.
* ppc-tdep.h: Add prototypes for ppc_linux_supply_fpregset
and ppc_linux_supply_gregset.
* ppc-linux-nat.c (supply_gregset): Call ppc_linux_supply_gregset.
(supply_fpregset): Call ppc_linux_supply_fpregset.
* config/powerpc/linux.mh (NATDEPFILES): Remove core-regset.o and
corelow.o.
* config/powerpc/linux.mt (TDEPFILES): Add corelow.o.
2002-07-30 Daniel Jacobowitz <drow@mvista.com>
* symtab.c (lookup_symbol): Demangle before lowercasing.

4
gdb/config/powerpc/linux.mh
View file

@ -4,8 +4,8 @@ XM_FILE= xm-linux.h
XM_CLIBS=
NAT_FILE= nm-linux.h
NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o linux-proc.o \
core-regset.o ppc-linux-nat.o proc-service.o thread-db.o lin-lwp.o \
NATDEPFILES= infptrace.o inftarg.o fork-child.o linux-proc.o \
ppc-linux-nat.o proc-service.o thread-db.o lin-lwp.o \
gcore.o
LOADLIBES = -ldl -rdynamic

2
gdb/config/powerpc/linux.mt
View file

@ -1,6 +1,6 @@
# Target: Motorola PPC on Linux
TDEPFILES= rs6000-tdep.o ppc-linux-tdep.o ppc-sysv-tdep.o solib.o \
solib-svr4.o solib-legacy.o
solib-svr4.o solib-legacy.o corelow.o
TM_FILE= tm-linux.h
SIM_OBS = remote-sim.o

23
gdb/ppc-linux-nat.c
View file

@ -475,21 +475,7 @@ store_inferior_registers (int regno)
void
supply_gregset (gdb_gregset_t *gregsetp)
{
int regi;
register elf_greg_t *regp = (elf_greg_t *) gregsetp;
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
for (regi = 0; regi < 32; regi++)
supply_register (regi, (char *) (regp + regi));
supply_register (PC_REGNUM, (char *) (regp + PT_NIP));
supply_register (tdep->ppc_lr_regnum, (char *) (regp + PT_LNK));
supply_register (tdep->ppc_cr_regnum, (char *) (regp + PT_CCR));
supply_register (tdep->ppc_xer_regnum, (char *) (regp + PT_XER));
supply_register (tdep->ppc_ctr_regnum, (char *) (regp + PT_CTR));
if (tdep->ppc_mq_regnum != -1)
supply_register (tdep->ppc_mq_regnum, (char *) (regp + PT_MQ));
supply_register (tdep->ppc_ps_regnum, (char *) (regp + PT_MSR));
ppc_linux_supply_gregset ((char *) gregsetp);
}
void
@ -525,12 +511,7 @@ fill_gregset (gdb_gregset_t *gregsetp, int regno)
void
supply_fpregset (gdb_fpregset_t * fpregsetp)
{
int regi;
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
for (regi = 0; regi < 32; regi++)
supply_register (FP0_REGNUM + regi, (char *) (*fpregsetp + regi));
supply_register (tdep->ppc_fpscr_regnum, (char *) (*fpregsetp + 32));
ppc_linux_supply_fpregset ((char *) fpregsetp);
}
/* Given a pointer to a floating point register set in /proc format

83
gdb/ppc-linux-tdep.c
View file

@ -600,6 +600,88 @@ ppc_linux_svr4_fetch_link_map_offsets (void)
return lmp;
}
enum {
ELF_NGREG = 48,
ELF_NFPREG = 33,
ELF_NVRREG = 33
};
enum {
ELF_GREGSET_SIZE = (ELF_NGREG * 4),
ELF_FPREGSET_SIZE = (ELF_NFPREG * 8)
};
void
ppc_linux_supply_gregset (char *buf)
{
int regi;
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
for (regi = 0; regi < 32; regi++)
supply_register (regi, buf + 4 * regi);
supply_register (PC_REGNUM, buf + 4 * PPC_LINUX_PT_NIP);
supply_register (tdep->ppc_lr_regnum, buf + 4 * PPC_LINUX_PT_LNK);
supply_register (tdep->ppc_cr_regnum, buf + 4 * PPC_LINUX_PT_CCR);
supply_register (tdep->ppc_xer_regnum, buf + 4 * PPC_LINUX_PT_XER);
supply_register (tdep->ppc_ctr_regnum, buf + 4 * PPC_LINUX_PT_CTR);
if (tdep->ppc_mq_regnum != -1)
supply_register (tdep->ppc_mq_regnum, buf + 4 * PPC_LINUX_PT_MQ);
supply_register (tdep->ppc_ps_regnum, buf + 4 * PPC_LINUX_PT_MSR);
}
void
ppc_linux_supply_fpregset (char *buf)
{
int regi;
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
for (regi = 0; regi < 32; regi++)
supply_register (FP0_REGNUM + regi, buf + 8 * regi);
/* The FPSCR is stored in the low order word of the last doubleword in the
fpregset. */
supply_register (tdep->ppc_fpscr_regnum, buf + 8 * 32 + 4);
}
/*
Use a local version of this function to get the correct types for regsets.
*/
static void
fetch_core_registers (char *core_reg_sect,
unsigned core_reg_size,
int which,
CORE_ADDR reg_addr)
{
if (which == 0)
{
if (core_reg_size == ELF_GREGSET_SIZE)
ppc_linux_supply_gregset (core_reg_sect);
else
warning ("wrong size gregset struct in core file");
}
else if (which == 2)
{
if (core_reg_size == ELF_FPREGSET_SIZE)
ppc_linux_supply_fpregset (core_reg_sect);
else
warning ("wrong size fpregset struct in core file");
}
}
/* Register that we are able to handle ELF file formats using standard
procfs "regset" structures. */
static struct core_fns ppc_linux_regset_core_fns =
{
bfd_target_elf_flavour, /* core_flavour */
default_check_format, /* check_format */
default_core_sniffer, /* core_sniffer */
fetch_core_registers, /* core_read_registers */
NULL /* next */
};
static void
ppc_linux_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
@ -639,4 +721,5 @@ _initialize_ppc_linux_tdep (void)
{
gdbarch_register_osabi (bfd_arch_powerpc, GDB_OSABI_LINUX,
ppc_linux_init_abi);
add_core_fns (&ppc_linux_regset_core_fns);
}

2
gdb/ppc-tdep.h
View file

@ -39,6 +39,8 @@ CORE_ADDR ppc_sysv_abi_push_arguments (int, struct value **, CORE_ADDR, int,
CORE_ADDR);
int ppc_linux_memory_remove_breakpoint (CORE_ADDR addr, char *contents_cache);
struct link_map_offsets *ppc_linux_svr4_fetch_link_map_offsets (void);
void ppc_linux_supply_gregset (char *buf);
void ppc_linux_supply_fpregset (char *buf);
/* From rs6000-tdep.c... */