/* Target-dependent code for HP-UX on PA-RISC.
- Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 2002-2014 Free Software Foundation, Inc.
This file is part of GDB.
#include "regcache.h"
#include "exceptions.h"
-#include "gdb_string.h"
+#include <string.h>
#define IS_32BIT_TARGET(_gdbarch) \
((gdbarch_tdep (_gdbarch))->bytes_per_address == 4)
extern void _initialize_hppa_hpux_tdep (void);
extern initialize_file_ftype _initialize_hppa_hpux_tdep;
-static int
-in_opd_section (CORE_ADDR pc)
-{
- struct obj_section *s;
- int retval = 0;
-
- s = find_pc_section (pc);
-
- retval = (s != NULL
- && s->the_bfd_section->name != NULL
- && strcmp (s->the_bfd_section->name, ".opd") == 0);
- return (retval);
-}
-
/* Return one if PC is in the call path of a trampoline, else return zero.
Note we return one for *any* call trampoline (long-call, arg-reloc), not
just shared library trampolines (import, export). */
static int
-hppa32_hpux_in_solib_call_trampoline (struct gdbarch *gdbarch,
- CORE_ADDR pc, char *name)
+hppa32_hpux_in_solib_call_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- struct minimal_symbol *minsym;
+ struct bound_minimal_symbol minsym;
struct unwind_table_entry *u;
/* First see if PC is in one of the two C-library trampolines. */
return 1;
minsym = lookup_minimal_symbol_by_pc (pc);
- if (minsym && strcmp (SYMBOL_LINKAGE_NAME (minsym), ".stub") == 0)
+ if (minsym.minsym
+ && strcmp (SYMBOL_LINKAGE_NAME (minsym.minsym), ".stub") == 0)
return 1;
/* Get the unwind descriptor corresponding to PC, return zero
}
static int
-hppa64_hpux_in_solib_call_trampoline (struct gdbarch *gdbarch,
- CORE_ADDR pc, char *name)
+hppa64_hpux_in_solib_call_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
step. If it does, then assume we are not in a stub and return.
Finally peek at the instructions to see if they look like a stub. */
- struct minimal_symbol *minsym;
+ struct bound_minimal_symbol minsym;
asection *sec;
CORE_ADDR addr;
- int insn, i;
+ int insn;
minsym = lookup_minimal_symbol_by_pc (pc);
- if (! minsym)
+ if (! minsym.minsym)
return 0;
- sec = SYMBOL_OBJ_SECTION (minsym)->the_bfd_section;
+ sec = SYMBOL_OBJ_SECTION (minsym.objfile, minsym.minsym)->the_bfd_section;
if (bfd_get_section_vma (sec->owner, sec) <= pc
&& pc < (bfd_get_section_vma (sec->owner, sec)
static int
hppa_hpux_in_solib_return_trampoline (struct gdbarch *gdbarch,
- CORE_ADDR pc, char *name)
+ CORE_ADDR pc, const char *name)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct unwind_table_entry *u;
int word_size = gdbarch_ptr_bit (gdbarch) / 8;
long orig_pc = pc;
long prev_inst, curr_inst, loc;
- struct minimal_symbol *msym;
+ struct bound_minimal_symbol msym;
struct unwind_table_entry *u;
/* Addresses passed to dyncall may *NOT* be the actual address
/*--------------------------------------------------------------------------*/
msym = lookup_minimal_symbol_by_pc (pc);
- if (msym == NULL || MSYMBOL_TYPE (msym) != mst_solib_trampoline)
+ if (msym.minsym == NULL
+ || MSYMBOL_TYPE (msym.minsym) != mst_solib_trampoline)
return orig_pc == pc ? 0 : pc & ~0x3;
- else if (msym != NULL && MSYMBOL_TYPE (msym) == mst_solib_trampoline)
+ else if (msym.minsym != NULL
+ && MSYMBOL_TYPE (msym.minsym) == mst_solib_trampoline)
{
struct objfile *objfile;
struct minimal_symbol *msymbol;
{
if (MSYMBOL_TYPE (msymbol) == mst_text
&& strcmp (SYMBOL_LINKAGE_NAME (msymbol),
- SYMBOL_LINKAGE_NAME (msym)) == 0)
+ SYMBOL_LINKAGE_NAME (msym.minsym)) == 0)
{
function_found = 1;
break;
should be mst_text. So we need to fix the msym, and also
get out of this function. */
{
- MSYMBOL_TYPE (msym) = mst_text;
+ MSYMBOL_TYPE (msym.minsym) = mst_text;
return orig_pc == pc ? 0 : pc & ~0x3;
}
}
(curr_inst == 0xeaa0d000) ||
(curr_inst == 0xeaa0d002))
{
- struct minimal_symbol *stubsym, *libsym;
+ struct bound_minimal_symbol stubsym;
+ struct minimal_symbol *libsym;
stubsym = lookup_minimal_symbol_by_pc (loc);
- if (stubsym == NULL)
+ if (stubsym.minsym == NULL)
{
warning (_("Unable to find symbol for 0x%lx"), loc);
return orig_pc == pc ? 0 : pc & ~0x3;
}
- libsym = lookup_minimal_symbol (SYMBOL_LINKAGE_NAME (stubsym),
+ libsym = lookup_minimal_symbol (SYMBOL_LINKAGE_NAME (stubsym.minsym),
NULL, NULL);
if (libsym == NULL)
{
warning (_("Unable to find library symbol for %s."),
- SYMBOL_PRINT_NAME (stubsym));
+ SYMBOL_PRINT_NAME (stubsym.minsym));
return orig_pc == pc ? 0 : pc & ~0x3;
}
static const struct frame_unwind hppa_hpux_sigtramp_frame_unwind = {
SIGTRAMP_FRAME,
+ default_frame_unwind_stop_reason,
hppa_hpux_sigtramp_frame_this_id,
hppa_hpux_sigtramp_frame_prev_register,
NULL,
if (faddr & 2)
{
int status;
- char buf[4];
+ gdb_byte buf[4];
faddr &= ~3;
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR faddr;
- char buf[32];
+ gdb_byte buf[32];
faddr = value_as_address (function);
- if (in_opd_section (faddr))
+ if (pc_in_section (faddr, ".opd"))
{
target_read_memory (faddr, buf, sizeof (buf));
return extract_unsigned_integer (&buf[24], 8, byte_order);
struct frame_info *frame;
struct unwind_table_entry *u;
CORE_ADDR addr, rp;
- char buf[4];
+ gdb_byte buf[4];
unsigned int insn;
sec = find_pc_section (pc);
struct hppa_objfile_private *priv;
CORE_ADDR addr;
struct minimal_symbol *msym;
- int i;
sec = find_pc_section (pc);
obj = sec->objfile;
scheme; try to read in blocks of code, and look for a "bve,n (rp)"
instruction. These are likely to occur at the end of functions, so
we only look at the last two instructions of each function. */
- for (i = 0, msym = obj->msymbols; i < obj->minimal_symbol_count; i++, msym++)
+ ALL_OBJFILE_MSYMBOLS (obj, msym)
{
CORE_ADDR begin, end;
- char *name;
+ const char *name;
gdb_byte buf[2 * HPPA_INSN_SIZE];
int offset;
hppa_hpux_find_import_stub_for_addr (CORE_ADDR funcaddr)
{
struct objfile *objfile;
- struct minimal_symbol *funsym, *stubsym;
+ struct bound_minimal_symbol funsym;
+ struct minimal_symbol *stubsym;
CORE_ADDR stubaddr;
funsym = lookup_minimal_symbol_by_pc (funcaddr);
ALL_OBJFILES (objfile)
{
stubsym = lookup_minimal_symbol_solib_trampoline
- (SYMBOL_LINKAGE_NAME (funsym), objfile);
+ (SYMBOL_LINKAGE_NAME (funsym.minsym), objfile);
if (stubsym)
{
hppa_hpux_find_dummy_bpaddr (CORE_ADDR addr)
{
/* In order for us to restore the space register to its starting state,
- we need the dummy trampoline to return to the an instruction address in
+ we need the dummy trampoline to return to an instruction address in
the same space as where we started the call. We used to place the
breakpoint near the current pc, however, this breaks nested dummy calls
as the nested call will hit the breakpoint address and terminate
struct unwind_table_entry *u;
struct minimal_symbol *msym;
CORE_ADDR func;
- int i;
sec = find_pc_section (addr);
if (sec)
work. */
find_pc_partial_function (addr, NULL, &func, NULL);
- for (i = 0, msym = sec->objfile->msymbols;
- i < sec->objfile->minimal_symbol_count;
- i++, msym++)
+ ALL_OBJFILE_MSYMBOLS (sec->objfile, msym)
{
u = find_unwind_entry (SYMBOL_VALUE_ADDRESS (msym));
if (func != SYMBOL_VALUE_ADDRESS (msym)
if (IS_32BIT_TARGET (gdbarch))
{
- static unsigned int hppa32_tramp[] = {
- 0x0fdf1291, /* stw r31,-8(,sp) */
- 0x02c010a1, /* ldsid (,r22),r1 */
- 0x00011820, /* mtsp r1,sr0 */
- 0xe6c00000, /* be,l 0(sr0,r22),%sr0,%r31 */
- 0x081f0242, /* copy r31,rp */
- 0x0fd11082, /* ldw -8(,sp),rp */
- 0x004010a1, /* ldsid (,rp),r1 */
- 0x00011820, /* mtsp r1,sr0 */
- 0xe0400000, /* be 0(sr0,rp) */
- 0x08000240 /* nop */
+#define INSN(I1, I2, I3, I4) 0x ## I1, 0x ## I2, 0x ## I3, 0x ## I4
+ static const gdb_byte hppa32_tramp[] = {
+ INSN(0f,df,12,91), /* stw r31,-8(,sp) */
+ INSN(02,c0,10,a1), /* ldsid (,r22),r1 */
+ INSN(00,01,18,20), /* mtsp r1,sr0 */
+ INSN(e6,c0,00,00), /* be,l 0(sr0,r22),%sr0,%r31 */
+ INSN(08,1f,02,42), /* copy r31,rp */
+ INSN(0f,d1,10,82), /* ldw -8(,sp),rp */
+ INSN(00,40,10,a1), /* ldsid (,rp),r1 */
+ INSN(00,01,18,20), /* mtsp r1,sr0 */
+ INSN(e0,40,00,00), /* be 0(sr0,rp) */
+ INSN(08,00,02,40) /* nop */
};
/* for hppa32, we must call the function through a stub so that on
"(no import stub).\n"));
regcache_cooked_write_unsigned (regcache, 22, stubaddr);
- write_memory (sp, (char *)&hppa32_tramp, sizeof (hppa32_tramp));
+ write_memory (sp, hppa32_tramp, sizeof (hppa32_tramp));
*bp_addr = hppa_hpux_find_dummy_bpaddr (pc);
regcache_cooked_write_unsigned (regcache, 31, *bp_addr);
}
else
{
- static unsigned int hppa64_tramp[] = {
- 0xeac0f000, /* bve,l (r22),%r2 */
- 0x0fdf12d1, /* std r31,-8(,sp) */
- 0x0fd110c2, /* ldd -8(,sp),rp */
- 0xe840d002, /* bve,n (rp) */
- 0x08000240 /* nop */
+ static const gdb_byte hppa64_tramp[] = {
+ INSN(ea,c0,f0,00), /* bve,l (r22),%r2 */
+ INSN(0f,df,12,d1), /* std r31,-8(,sp) */
+ INSN(0f,d1,10,c2), /* ldd -8(,sp),rp */
+ INSN(e8,40,d0,02), /* bve,n (rp) */
+ INSN(08,00,02,40) /* nop */
};
+#undef INSN
/* for hppa64, we don't need to call through a stub; all functions
return via a bve. */
regcache_cooked_write_unsigned (regcache, 22, funcaddr);
- write_memory (sp, (char *)&hppa64_tramp, sizeof (hppa64_tramp));
+ write_memory (sp, hppa64_tramp, sizeof (hppa64_tramp));
*bp_addr = pc - 4;
regcache_cooked_write_unsigned (regcache, 31, *bp_addr);
static void
hppa_hpux_supply_ss_narrow (struct regcache *regcache,
- int regnum, const char *save_state)
+ int regnum, const gdb_byte *save_state)
{
- const char *ss_narrow = save_state + HPPA_HPUX_SS_NARROW_OFFSET;
+ const gdb_byte *ss_narrow = save_state + HPPA_HPUX_SS_NARROW_OFFSET;
int i, offset = 0;
for (i = HPPA_R1_REGNUM; i < HPPA_FP0_REGNUM; i++)
static void
hppa_hpux_supply_ss_fpblock (struct regcache *regcache,
- int regnum, const char *save_state)
+ int regnum, const gdb_byte *save_state)
{
- const char *ss_fpblock = save_state + HPPA_HPUX_SS_FPBLOCK_OFFSET;
+ const gdb_byte *ss_fpblock = save_state + HPPA_HPUX_SS_FPBLOCK_OFFSET;
int i, offset = 0;
/* FIXME: We view the floating-point state as 64 single-precision
static void
hppa_hpux_supply_ss_wide (struct regcache *regcache,
- int regnum, const char *save_state)
+ int regnum, const gdb_byte *save_state)
{
- const char *ss_wide = save_state + HPPA_HPUX_SS_WIDE_OFFSET;
+ const gdb_byte *ss_wide = save_state + HPPA_HPUX_SS_WIDE_OFFSET;
int i, offset = 8;
if (register_size (get_regcache_arch (regcache), HPPA_R1_REGNUM) == 4)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- const char *proc_info = regs;
- const char *save_state = proc_info + 8;
+ const gdb_byte *proc_info = regs;
+ const gdb_byte *save_state = proc_info + 8;
ULONGEST flags;
flags = extract_unsigned_integer (save_state + HPPA_HPUX_SS_FLAGS_OFFSET,
if (regnum == -1 || regnum == HPPA_FLAGS_REGNUM)
{
size_t size = register_size (gdbarch, HPPA_FLAGS_REGNUM);
- char buf[8];
+ gdb_byte buf[8];
store_unsigned_integer (buf, size, byte_order, flags);
regcache_raw_supply (regcache, HPPA_FLAGS_REGNUM, buf);
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