/* Target-dependent code for HP-UX on PA-RISC.
- Copyright (C) 2002-2005, 2007-2012 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"
-
#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 (MSYMBOL_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 = MSYMBOL_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)
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;
ALL_MSYMBOLS (objfile, msymbol)
{
if (MSYMBOL_TYPE (msymbol) == mst_text
- && strcmp (SYMBOL_LINKAGE_NAME (msymbol),
- SYMBOL_LINKAGE_NAME (msym)) == 0)
+ && strcmp (MSYMBOL_LINKAGE_NAME (msymbol),
+ MSYMBOL_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 bound_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 (MSYMBOL_LINKAGE_NAME (stubsym.minsym),
NULL, NULL);
- if (libsym == NULL)
+ if (libsym.minsym == NULL)
{
warning (_("Unable to find library symbol for %s."),
- SYMBOL_PRINT_NAME (stubsym));
+ MSYMBOL_PRINT_NAME (stubsym.minsym));
return orig_pc == pc ? 0 : pc & ~0x3;
}
- return SYMBOL_VALUE (libsym);
+ return MSYMBOL_VALUE (libsym.minsym);
}
/* Does it look like bl X,%rp or bl X,%r0? Another way to do a
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);
gdb_byte buf[2 * HPPA_INSN_SIZE];
int offset;
- find_pc_partial_function (SYMBOL_VALUE_ADDRESS (msym), &name,
+ find_pc_partial_function (MSYMBOL_VALUE_ADDRESS (obj, msym), &name,
&begin, &end);
if (name == NULL || begin == 0 || end == 0)
hppa_hpux_find_import_stub_for_addr (CORE_ADDR funcaddr)
{
struct objfile *objfile;
- struct minimal_symbol *funsym, *stubsym;
+ struct bound_minimal_symbol funsym;
+ struct bound_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);
+ (MSYMBOL_LINKAGE_NAME (funsym.minsym), objfile);
- if (stubsym)
+ if (stubsym.minsym)
{
struct unwind_table_entry *u;
- u = find_unwind_entry (SYMBOL_VALUE (stubsym));
+ u = find_unwind_entry (MSYMBOL_VALUE (stubsym.minsym));
if (u == NULL
|| (u->stub_unwind.stub_type != IMPORT
&& u->stub_unwind.stub_type != IMPORT_SHLIB))
continue;
- stubaddr = SYMBOL_VALUE (stubsym);
+ stubaddr = MSYMBOL_VALUE (stubsym.minsym);
/* If we found an IMPORT stub, then we can stop searching;
if we found an IMPORT_SHLIB, we want to continue the search
find_pc_partial_function (addr, NULL, &func, NULL);
ALL_OBJFILE_MSYMBOLS (sec->objfile, msym)
{
- u = find_unwind_entry (SYMBOL_VALUE_ADDRESS (msym));
- if (func != SYMBOL_VALUE_ADDRESS (msym)
+ u = find_unwind_entry (MSYMBOL_VALUE_ADDRESS (sec->objfile, msym));
+ if (func != MSYMBOL_VALUE_ADDRESS (sec->objfile, msym)
&& (!u || u->stub_unwind.stub_type == 0))
- return SYMBOL_VALUE_ADDRESS (msym);
+ return MSYMBOL_VALUE_ADDRESS (sec->objfile, 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);
/* HP-UX register set. */
-static struct regset hppa_hpux_regset =
+static const struct regset hppa_hpux_regset =
{
NULL,
hppa_hpux_supply_save_state
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