binutils-gdb/gdb/xstormy16-tdep.c

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/* Target-dependent code for the Sanyo Xstormy16a (LC590000) processor.
Copyright 2001, 2002, 2003, 2004, 2005 Free Software Foundation,
Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
#include "frame.h"
#include "frame-base.h"
#include "frame-unwind.h"
#include "dwarf2-frame.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbcmd.h"
#include "gdbcore.h"
#include "value.h"
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
#include "dis-asm.h"
#include "inferior.h"
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
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#include "gdb_string.h"
#include "gdb_assert.h"
#include "arch-utils.h"
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
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#include "floatformat.h"
#include "regcache.h"
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
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#include "doublest.h"
#include "osabi.h"
#include "objfiles.h"
enum gdb_regnum
{
/* Xstormy16 has 16 general purpose registers (R0-R15) plus PC.
Functions will return their values in register R2-R7 as they fit.
Otherwise a hidden pointer to an big enough area is given as argument
to the function in r2. Further arguments are beginning in r3 then.
R13 is used as frame pointer when GCC compiles w/o optimization
R14 is used as "PSW", displaying the CPU status.
R15 is used implicitely as stack pointer. */
E_R0_REGNUM,
E_R1_REGNUM,
E_R2_REGNUM, E_1ST_ARG_REGNUM = E_R2_REGNUM, E_PTR_RET_REGNUM = E_R2_REGNUM,
E_R3_REGNUM,
E_R4_REGNUM,
E_R5_REGNUM,
E_R6_REGNUM,
E_R7_REGNUM, E_LST_ARG_REGNUM = E_R7_REGNUM,
E_R8_REGNUM,
E_R9_REGNUM,
E_R10_REGNUM,
E_R11_REGNUM,
E_R12_REGNUM,
E_R13_REGNUM, E_FP_REGNUM = E_R13_REGNUM,
E_R14_REGNUM, E_PSW_REGNUM = E_R14_REGNUM,
E_R15_REGNUM, E_SP_REGNUM = E_R15_REGNUM,
E_PC_REGNUM,
E_NUM_REGS
};
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
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/* Use an invalid address value as 'not available' marker. */
enum { REG_UNAVAIL = (CORE_ADDR) -1 };
struct xstormy16_frame_cache
{
/* Base address. */
CORE_ADDR base;
CORE_ADDR pc;
LONGEST framesize;
int uses_fp;
CORE_ADDR saved_regs[E_NUM_REGS];
CORE_ADDR saved_sp;
};
/* Size of instructions, registers, etc. */
enum
{
xstormy16_inst_size = 2,
xstormy16_reg_size = 2,
xstormy16_pc_size = 4
};
/* Size of return datatype which fits into the remaining return registers. */
#define E_MAX_RETTYPE_SIZE(regnum) ((E_LST_ARG_REGNUM - (regnum) + 1) \
* xstormy16_reg_size)
/* Size of return datatype which fits into all return registers. */
enum
{
E_MAX_RETTYPE_SIZE_IN_REGS = E_MAX_RETTYPE_SIZE (E_R2_REGNUM)
};
/* Function: xstormy16_register_name
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
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Returns the name of the standard Xstormy16 register N. */
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static const char *
xstormy16_register_name (int regnum)
{
static char *register_names[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13",
"psw", "sp", "pc"
};
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
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if (regnum < 0 || regnum >= E_NUM_REGS)
internal_error (__FILE__, __LINE__,
2005-02-11 Andrew Cagney <cagney@gnu.org> Mark up error_no_arg, query, perror_with_name, complaint, and internal_error. * breakpoint.c, cp-abi.c, cp-namespace.c, cp-support.c: Update. * cris-tdep.c, dbxread.c, dictionary.c, dsrec.c: Update. * dummy-frame.c, dve3900-rom.c, dwarf2-frame.c, dwarf2expr.c: Update. * dwarf2read.c, dwarfread.c, elfread.c, event-loop.c: Update. * exceptions.c, exec.c, f-lang.c, findvar.c, fork-child.c: Update. * frame-unwind.c, frame.c, frv-linux-tdep.c, frv-tdep.c: Update. * gdb_assert.h, gdbarch.c, gdbtypes.c, gnu-nat.c: Update. * go32-nat.c, hppa-tdep.c, hppabsd-nat.c, hpread.c: Update. * i386-linux-nat.c, i386-nat.c, i386-tdep.c, i386bsd-nat.c: Update. * i386fbsd-nat.c, inf-ptrace.c, inf-ttrace.c, infcall.c: Update. * infcmd.c, inflow.c, infptrace.c, infrun.c, inftarg.c: Update. * interps.c, language.c, linespec.c, linux-nat.c: Update. * m32r-linux-nat.c, m68k-tdep.c, m68kbsd-nat.c: Update. * m68klinux-nat.c, m88kbsd-nat.c, macroexp.c, macroscope.c: Update. * macrotab.c, maint.c, mdebugread.c, memattr.c: Update. * mips-linux-tdep.c, mips-tdep.c, mips64obsd-nat.c: Update. * mipsnbsd-nat.c, mn10300-tdep.c, monitor.c, nto-procfs.c: Update. * objc-lang.c, objfiles.c, objfiles.h, ocd.c, osabi.c: Update. * parse.c, ppc-bdm.c, ppc-linux-nat.c, ppc-sysv-tdep.c: Update. * ppcnbsd-nat.c, ppcobsd-nat.c, printcmd.c, procfs.c: Update. * regcache.c, reggroups.c, remote-e7000.c, remote-mips.c: Update. * remote-rdp.c, remote-sds.c, remote-sim.c, remote-st.c: Update. * remote-utils.c, remote.c, rs6000-nat.c, rs6000-tdep.c: Update. * s390-nat.c, s390-tdep.c, sentinel-frame.c, serial.c: Update. * sh-tdep.c, sh3-rom.c, sh64-tdep.c, shnbsd-nat.c: Update. * solib-aix5.c, solib-svr4.c, solib.c, source.c: Update. * sparc-nat.c, stabsread.c, stack.c, symfile.c, symtab.c: Update. * symtab.h, target.c, tracepoint.c, ui-file.c, ui-out.c: Update. * utils.c, valops.c, valprint.c, vax-nat.c, vaxbsd-nat.c: Update. * win32-nat.c, xcoffread.c, xstormy16-tdep.c: Update. * cli/cli-cmds.c, cli/cli-logging.c, cli/cli-script.c: Update. * cli/cli-setshow.c, mi/mi-cmd-break.c, mi/mi-cmds.c: Update. * mi/mi-console.c, mi/mi-getopt.c, mi/mi-out.c: Update. * tui/tui-file.c, tui/tui-interp.c: Update.
2005-02-11 19:13:55 +01:00
_("xstormy16_register_name: illegal register number %d"),
regnum);
else
return register_names[regnum];
}
static struct type *
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
xstormy16_register_type (struct gdbarch *gdbarch, int regnum)
{
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
if (regnum == E_PC_REGNUM)
return builtin_type_uint32;
else
return builtin_type_uint16;
}
/* Function: xstormy16_type_is_scalar
Makes the decision if a given type is a scalar types. Scalar
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
types are returned in the registers r2-r7 as they fit. */
static int
xstormy16_type_is_scalar (struct type *t)
{
return (TYPE_CODE(t) != TYPE_CODE_STRUCT
&& TYPE_CODE(t) != TYPE_CODE_UNION
&& TYPE_CODE(t) != TYPE_CODE_ARRAY);
}
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
/* Function: xstormy16_use_struct_convention
Returns non-zero if the given struct type will be returned using
a special convention, rather than the normal function return method.
7sed in the contexts of the "return" command, and of
target function calls from the debugger. */
static int
xstormy16_use_struct_convention (struct type *type)
{
return !xstormy16_type_is_scalar (type)
|| TYPE_LENGTH (type) > E_MAX_RETTYPE_SIZE_IN_REGS;
}
/* Function: xstormy16_extract_return_value
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
Find a function's return value in the appropriate registers (in
regbuf), and copy it into valbuf. */
static void
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
xstormy16_extract_return_value (struct type *type, struct regcache *regcache,
void *valbuf)
{
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
int len = TYPE_LENGTH (type);
int i, regnum = E_1ST_ARG_REGNUM;
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
for (i = 0; i < len; i += xstormy16_reg_size)
regcache_raw_read (regcache, regnum++, (char *) valbuf + i);
}
/* Function: xstormy16_store_return_value
Copy the function return value from VALBUF into the
proper location for a function return.
Called only in the context of the "return" command. */
static void
xstormy16_store_return_value (struct type *type, struct regcache *regcache,
const void *valbuf)
{
if (TYPE_LENGTH (type) == 1)
{
/* Add leading zeros to the value. */
char buf[xstormy16_reg_size];
memset (buf, 0, xstormy16_reg_size);
memcpy (buf, valbuf, 1);
regcache_raw_write (regcache, E_1ST_ARG_REGNUM, buf);
}
else
{
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
int len = TYPE_LENGTH (type);
int i, regnum = E_1ST_ARG_REGNUM;
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
for (i = 0; i < len; i += xstormy16_reg_size)
regcache_raw_write (regcache, regnum++, (char *) valbuf + i);
}
}
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
static enum return_value_convention
xstormy16_return_value (struct gdbarch *gdbarch, struct type *type,
struct regcache *regcache,
void *readbuf, const void *writebuf)
{
if (xstormy16_use_struct_convention (type))
return RETURN_VALUE_STRUCT_CONVENTION;
if (writebuf)
xstormy16_store_return_value (type, regcache, writebuf);
else if (readbuf)
xstormy16_extract_return_value (type, regcache, readbuf);
return RETURN_VALUE_REGISTER_CONVENTION;
}
static CORE_ADDR
xstormy16_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr)
{
if (addr & 1)
++addr;
return addr;
}
/* Function: xstormy16_push_dummy_call
Setup the function arguments for GDB to call a function in the inferior.
Called only in the context of a target function call from the debugger.
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
Returns the value of the SP register after the args are pushed. */
static CORE_ADDR
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
xstormy16_push_dummy_call (struct gdbarch *gdbarch,
struct value *function,
struct regcache *regcache,
CORE_ADDR bp_addr, int nargs,
struct value **args,
CORE_ADDR sp, int struct_return,
CORE_ADDR struct_addr)
{
CORE_ADDR stack_dest = sp;
int argreg = E_1ST_ARG_REGNUM;
int i, j;
int typelen, slacklen;
char *val;
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
char buf[xstormy16_pc_size];
/* If struct_return is true, then the struct return address will
consume one argument-passing register. */
if (struct_return)
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
{
regcache_cooked_write_unsigned (regcache, E_PTR_RET_REGNUM, struct_addr);
argreg++;
}
/* Arguments are passed in R2-R7 as they fit. If an argument doesn't
fit in the remaining registers we're switching over to the stack.
No argument is put on stack partially and as soon as we switched
over to stack no further argument is put in a register even if it
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
would fit in the remaining unused registers. */
for (i = 0; i < nargs && argreg <= E_LST_ARG_REGNUM; i++)
{
typelen = TYPE_LENGTH (value_enclosing_type (args[i]));
if (typelen > E_MAX_RETTYPE_SIZE (argreg))
break;
/* Put argument into registers wordwise. */
val = value_contents (args[i]);
for (j = 0; j < typelen; j += xstormy16_reg_size)
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
regcache_cooked_write_unsigned (regcache, argreg++,
extract_unsigned_integer (val + j,
typelen - j ==
1 ? 1 :
xstormy16_reg_size));
}
/* Align SP */
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
stack_dest = xstormy16_frame_align (gdbarch, stack_dest);
/* Loop backwards through remaining arguments and push them on the stack,
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
wordaligned. */
for (j = nargs - 1; j >= i; j--)
{
typelen = TYPE_LENGTH (value_enclosing_type (args[j]));
slacklen = typelen & 1;
val = alloca (typelen + slacklen);
memcpy (val, value_contents (args[j]), typelen);
memset (val + typelen, 0, slacklen);
/* Now write this data to the stack. The stack grows upwards. */
write_memory (stack_dest, val, typelen + slacklen);
stack_dest += typelen + slacklen;
}
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
store_unsigned_integer (buf, xstormy16_pc_size, bp_addr);
write_memory (stack_dest, buf, xstormy16_pc_size);
stack_dest += xstormy16_pc_size;
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
/* Update stack pointer. */
regcache_cooked_write_unsigned (regcache, E_SP_REGNUM, stack_dest);
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
/* Return the new stack pointer minus the return address slot since
that's what DWARF2/GCC uses as the frame's CFA. */
return stack_dest - xstormy16_pc_size;
}
/* Function: xstormy16_scan_prologue
Decode the instructions within the given address range.
Decide when we must have reached the end of the function prologue.
If a frame_info pointer is provided, fill in its saved_regs etc.
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
Returns the address of the first instruction after the prologue. */
static CORE_ADDR
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
xstormy16_analyze_prologue (CORE_ADDR start_addr, CORE_ADDR end_addr,
struct xstormy16_frame_cache *cache,
struct frame_info *next_frame)
{
CORE_ADDR next_addr;
ULONGEST inst, inst2;
LONGEST offset;
int regnum;
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
/* Initialize framesize with size of PC put on stack by CALLF inst. */
cache->saved_regs[E_PC_REGNUM] = 0;
cache->framesize = xstormy16_pc_size;
if (start_addr >= end_addr)
return end_addr;
for (next_addr = start_addr;
next_addr < end_addr; next_addr += xstormy16_inst_size)
{
inst = read_memory_unsigned_integer (next_addr, xstormy16_inst_size);
inst2 = read_memory_unsigned_integer (next_addr + xstormy16_inst_size,
xstormy16_inst_size);
if (inst >= 0x0082 && inst <= 0x008d) /* push r2 .. push r13 */
{
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
regnum = inst & 0x000f;
cache->saved_regs[regnum] = cache->framesize;
cache->framesize += xstormy16_reg_size;
}
/* optional stack allocation for args and local vars <= 4 byte */
else if (inst == 0x301f || inst == 0x303f) /* inc r15, #0x1/#0x3 */
{
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
cache->framesize += ((inst & 0x0030) >> 4) + 1;
}
/* optional stack allocation for args and local vars > 4 && < 16 byte */
else if ((inst & 0xff0f) == 0x510f) /* 51Hf add r15, #0xH */
{
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
cache->framesize += (inst & 0x00f0) >> 4;
}
/* optional stack allocation for args and local vars >= 16 byte */
else if (inst == 0x314f && inst2 >= 0x0010) /* 314f HHHH add r15, #0xH */
{
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
cache->framesize += inst2;
next_addr += xstormy16_inst_size;
}
else if (inst == 0x46fd) /* mov r13, r15 */
{
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
cache->uses_fp = 1;
}
/* optional copying of args in r2-r7 to r10-r13 */
/* Probably only in optimized case but legal action for prologue */
else if ((inst & 0xff00) == 0x4600 /* 46SD mov rD, rS */
&& (inst & 0x00f0) >= 0x0020 && (inst & 0x00f0) <= 0x0070
&& (inst & 0x000f) >= 0x00a0 && (inst & 0x000f) <= 0x000d)
;
/* optional copying of args in r2-r7 to stack */
/* 72DS HHHH mov.b (rD, 0xHHHH), r(S-8) (bit3 always 1, bit2-0 = reg) */
/* 73DS HHHH mov.w (rD, 0xHHHH), r(S-8) */
else if ((inst & 0xfed8) == 0x72d8 && (inst & 0x0007) >= 2)
{
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
regnum = inst & 0x0007;
/* Only 12 of 16 bits of the argument are used for the
signed offset. */
offset = (LONGEST) (inst2 & 0x0fff);
if (offset & 0x0800)
offset -= 0x1000;
cache->saved_regs[regnum] = cache->framesize + offset;
next_addr += xstormy16_inst_size;
}
else /* Not a prologue instruction. */
break;
}
return next_addr;
}
/* Function: xstormy16_skip_prologue
If the input address is in a function prologue,
returns the address of the end of the prologue;
else returns the input address.
Note: the input address is likely to be the function start,
since this function is mainly used for advancing a breakpoint
to the first line, or stepping to the first line when we have
stepped into a function call. */
static CORE_ADDR
xstormy16_skip_prologue (CORE_ADDR pc)
{
CORE_ADDR func_addr = 0, func_end = 0;
char *func_name;
if (find_pc_partial_function (pc, &func_name, &func_addr, &func_end))
{
struct symtab_and_line sal;
struct symbol *sym;
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
struct xstormy16_frame_cache cache;
memset (&cache, 0, sizeof cache);
/* Don't trust line number debug info in frameless functions. */
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
CORE_ADDR plg_end = xstormy16_analyze_prologue (func_addr, func_end,
&cache, NULL);
if (!cache.uses_fp)
return plg_end;
/* Found a function. */
sym = lookup_symbol (func_name, NULL, VAR_DOMAIN, NULL, NULL);
/* Don't use line number debug info for assembly source files. */
if (sym && SYMBOL_LANGUAGE (sym) != language_asm)
{
sal = find_pc_line (func_addr, 0);
if (sal.end && sal.end < func_end)
{
/* Found a line number, use it as end of prologue. */
return sal.end;
}
}
/* No useable line symbol. Use result of prologue parsing method. */
return plg_end;
}
/* No function symbol -- just return the PC. */
return (CORE_ADDR) pc;
}
/* The epilogue is defined here as the area at the end of a function,
either on the `ret' instruction itself or after an instruction which
destroys the function's stack frame. */
static int
xstormy16_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
{
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
CORE_ADDR func_addr = 0, func_end = 0;
if (find_pc_partial_function (pc, NULL, &func_addr, &func_end))
{
ULONGEST inst, inst2;
CORE_ADDR addr = func_end - xstormy16_inst_size;
/* The Xstormy16 epilogue is max. 14 bytes long. */
if (pc < func_end - 7 * xstormy16_inst_size)
return 0;
/* Check if we're on a `ret' instruction. Otherwise it's
too dangerous to proceed. */
inst = read_memory_unsigned_integer (addr, xstormy16_inst_size);
if (inst != 0x0003)
return 0;
while ((addr -= xstormy16_inst_size) >= func_addr)
{
inst = read_memory_unsigned_integer (addr, xstormy16_inst_size);
if (inst >= 0x009a && inst <= 0x009d) /* pop r10...r13 */
continue;
if (inst == 0x305f || inst == 0x307f) /* dec r15, #0x1/#0x3 */
break;
inst2 = read_memory_unsigned_integer (addr - xstormy16_inst_size,
xstormy16_inst_size);
if (inst2 == 0x314f && inst >= 0x8000) /* add r15, neg. value */
{
addr -= xstormy16_inst_size;
break;
}
return 0;
}
if (pc > addr)
return 1;
}
return 0;
}
const static unsigned char *
xstormy16_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
{
static unsigned char breakpoint[] = { 0x06, 0x0 };
*lenptr = sizeof (breakpoint);
return breakpoint;
}
/* Given a pointer to a jump table entry, return the address
of the function it jumps to. Return 0 if not found. */
static CORE_ADDR
xstormy16_resolve_jmp_table_entry (CORE_ADDR faddr)
{
struct obj_section *faddr_sect = find_pc_section (faddr);
if (faddr_sect)
{
LONGEST inst, inst2, addr;
char buf[2 * xstormy16_inst_size];
/* Return faddr if it's not pointing into the jump table. */
if (strcmp (faddr_sect->the_bfd_section->name, ".plt"))
return faddr;
if (!target_read_memory (faddr, buf, sizeof buf))
{
inst = extract_unsigned_integer (buf, xstormy16_inst_size);
inst2 = extract_unsigned_integer (buf + xstormy16_inst_size,
xstormy16_inst_size);
addr = inst2 << 8 | (inst & 0xff);
return addr;
}
}
return 0;
}
/* Given a function's address, attempt to find (and return) the
address of the corresponding jump table entry. Return 0 if
not found. */
static CORE_ADDR
xstormy16_find_jmp_table_entry (CORE_ADDR faddr)
{
struct obj_section *faddr_sect = find_pc_section (faddr);
if (faddr_sect)
{
struct obj_section *osect;
/* Return faddr if it's already a pointer to a jump table entry. */
if (!strcmp (faddr_sect->the_bfd_section->name, ".plt"))
return faddr;
ALL_OBJFILE_OSECTIONS (faddr_sect->objfile, osect)
{
if (!strcmp (osect->the_bfd_section->name, ".plt"))
break;
}
if (osect < faddr_sect->objfile->sections_end)
{
CORE_ADDR addr;
for (addr = osect->addr;
addr < osect->endaddr; addr += 2 * xstormy16_inst_size)
{
LONGEST inst, inst2, faddr2;
char buf[2 * xstormy16_inst_size];
if (target_read_memory (addr, buf, sizeof buf))
return 0;
inst = extract_unsigned_integer (buf, xstormy16_inst_size);
inst2 = extract_unsigned_integer (buf + xstormy16_inst_size,
xstormy16_inst_size);
faddr2 = inst2 << 8 | (inst & 0xff);
if (faddr == faddr2)
return addr;
}
}
}
return 0;
}
static CORE_ADDR
xstormy16_skip_trampoline_code (CORE_ADDR pc)
{
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
CORE_ADDR tmp = xstormy16_resolve_jmp_table_entry (pc);
if (tmp && tmp != pc)
return tmp;
return 0;
}
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
/* Function pointers are 16 bit. The address space is 24 bit, using
32 bit addresses. Pointers to functions on the XStormy16 are implemented
by using 16 bit pointers, which are either direct pointers in case the
function begins below 0x10000, or indirect pointers into a jump table.
The next two functions convert 16 bit pointers into 24 (32) bit addresses
and vice versa. */
static CORE_ADDR
xstormy16_pointer_to_address (struct type *type, const void *buf)
{
enum type_code target = TYPE_CODE (TYPE_TARGET_TYPE (type));
2003-06-01 Andrew Cagney <cagney@redhat.com> * defs.h (extract_address): Delete declaration. * findvar.c (extract_address): Delete function. * xstormy16-tdep.c (xstormy16_extract_return_value): Replace extract_address with the inline equivalent, extract_unsigned_integer. (xstormy16_extract_struct_value_address): Ditto. (xstormy16_pointer_to_address): Ditto. * vax-tdep.c (vax_extract_struct_value_address): Ditto. * v850-tdep.c (v850_push_arguments): Ditto. (v850_extract_return_value): Ditto. (v850_extract_struct_value_address): Ditto. * sparcnbsd-tdep.c (sparcnbsd_get_longjmp_target_32): Ditto. (sparcnbsd_get_longjmp_target_64): Ditto. * sparc-tdep.c (sparc_frame_saved_pc): Ditto. (get_longjmp_target): Ditto. * sh-tdep.c (sh_extract_struct_value_address): Ditto. (sh64_extract_struct_value_address): Ditto. (sh_push_arguments): Ditto. (sh64_push_arguments): Ditto. * remote-vxsparc.c (vx_read_register): Ditto. * ppc-linux-tdep.c (ppc_linux_skip_trampoline_code): Ditto. * ns32k-tdep.c (ns32k_extract_struct_value_address): Ditto. * mn10300-tdep.c (mn10300_extract_struct_value_address): Ditto. * mipsv4-nat.c (get_longjmp_target): Ditto. * mipsnbsd-tdep.c (mipsnbsd_get_longjmp_target): Ditto. * mips-nat.c (get_longjmp_target): Ditto. * mips-linux-tdep.c (mips_linux_get_longjmp_target): Ditto. * mcore-tdep.c (mcore_extract_struct_value_address): Ditto. * m68k-tdep.c (m68k_get_longjmp_target): Ditto. * m68hc11-tdep.c (m68hc11_extract_struct_value_address): Ditto. * irix5-nat.c (get_longjmp_target): Ditto. * irix4-nat.c (get_longjmp_target): Ditto. * ia64-tdep.c (generic_elf_find_global_pointer): Ditto. (ia64_push_arguments): Ditto. * hpux-thread.c (hpux_thread_store_registers): Ditto. * h8300-tdep.c (h8300_push_arguments): Ditto. (h8300_store_return_value): Ditto. (h8300_extract_struct_value_address): Ditto. * frv-tdep.c (frv_extract_struct_value_address): Ditto. (frv_push_arguments): Ditto. * avr-tdep.c (avr_pointer_to_address): Ditto. (avr_push_arguments): Ditto. * arm-tdep.c (arm_push_dummy_call): Ditto. (arm_get_longjmp_target): Ditto. * arm-linux-tdep.c (arm_linux_push_arguments): Ditto. * alpha-tdep.c (alpha_extract_struct_value_address): Ditto. (alpha_get_longjmp_target): Ditto.
2003-06-02 04:09:40 +02:00
CORE_ADDR addr = extract_unsigned_integer (buf, TYPE_LENGTH (type));
if (target == TYPE_CODE_FUNC || target == TYPE_CODE_METHOD)
{
CORE_ADDR addr2 = xstormy16_resolve_jmp_table_entry (addr);
if (addr2)
addr = addr2;
}
return addr;
}
static void
xstormy16_address_to_pointer (struct type *type, void *buf, CORE_ADDR addr)
{
enum type_code target = TYPE_CODE (TYPE_TARGET_TYPE (type));
if (target == TYPE_CODE_FUNC || target == TYPE_CODE_METHOD)
{
CORE_ADDR addr2 = xstormy16_find_jmp_table_entry (addr);
if (addr2)
addr = addr2;
}
store_unsigned_integer (buf, TYPE_LENGTH (type), addr);
}
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
static struct xstormy16_frame_cache *
xstormy16_alloc_frame_cache (void)
{
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
struct xstormy16_frame_cache *cache;
int i;
cache = FRAME_OBSTACK_ZALLOC (struct xstormy16_frame_cache);
cache->base = 0;
cache->saved_sp = 0;
cache->pc = 0;
cache->uses_fp = 0;
cache->framesize = 0;
for (i = 0; i < E_NUM_REGS; ++i)
cache->saved_regs[i] = REG_UNAVAIL;
return cache;
}
static struct xstormy16_frame_cache *
xstormy16_frame_cache (struct frame_info *next_frame, void **this_cache)
{
struct xstormy16_frame_cache *cache;
CORE_ADDR current_pc;
int i;
if (*this_cache)
return *this_cache;
cache = xstormy16_alloc_frame_cache ();
*this_cache = cache;
cache->base = frame_unwind_register_unsigned (next_frame, E_FP_REGNUM);
if (cache->base == 0)
return cache;
cache->pc = frame_func_unwind (next_frame);
current_pc = frame_pc_unwind (next_frame);
if (cache->pc)
xstormy16_analyze_prologue (cache->pc, current_pc, cache, next_frame);
if (!cache->uses_fp)
cache->base = frame_unwind_register_unsigned (next_frame, E_SP_REGNUM);
cache->saved_sp = cache->base - cache->framesize;
for (i = 0; i < E_NUM_REGS; ++i)
if (cache->saved_regs[i] != REG_UNAVAIL)
cache->saved_regs[i] += cache->saved_sp;
return cache;
}
2003-06-11 Andrew Cagney <cagney@redhat.com> * xstormy16-tdep.c (xstormy16_push_return_address): Make static. (xstormy16_save_dummy_frame_tos): Make static. (_initialize_xstormy16_tdep): Add declaration. * vax-tdep.c (_initialize_vax_tdep): Add declaration. * v850-tdep.c: Make local functions static. (_initialize_v850_tdep): Add declaration. * sparc-tdep.c: Make local functions static. (_initialize_sparc_tdep): Add declaration. * sh-tdep.c: Make local functions static. (_initialize_sh_tdep): Add declaration. * sh3-rom.c (_initialize_sh3_rom): Add declaration. * s390-tdep.c: Make local functions static. (_initialize_s390_tdep): Add declaration. * dbxread.c (find_stab_function_addr): Make static. * ppc-bdm.c (_initialize_bdm_ppc): Add declaration. * ocd.c (_initialize_remote_ocd): Add declaration. * dink32-rom.c (_initialize_dink32_rom): Add declaration. * ppcbug-rom.c (_initialize_ppcbug_rom): Add declaration. * ns32k-tdep.c (_initialize_ns32k_tdep): Add declaration. * ns32knbsd-tdep.c (_initialize_ns32knbsd_tdep): Add declaration. * mips-tdep.c (_initialize_mips_tdep): Add declaration. * remote-array.c (_initialize_array): Add declaration. (_initialize_remote_monitors): Add declaration. * remote-mips.c: Make local functions static. (_initialize_remote_mips): Add declaration. * mcore-tdep.c: Make all local functions static. (_initialize_mcore_tdep): Add declaration. * dbug-rom.c (_initialize_dbug_rom): Add declaration. * abug-rom.c (_initialize_abug_rom): Add declaration. * rom68k-rom.c (_initialize_rom68k): Add declaration. * cpu32bug-rom.c (_initialize_cpu32bug_rom): Add declaration. * m68k-tdep.c (_initialize_m68k_tdep): Add declaration. * remote-est.c (_initialize_est): Add declaration. * m68hc11-tdep.c (_initialize_m68hc11_tdep): Add declaration. (m68hc11_call_dummy_address): Make static. * ia64-tdep.c: Make local functions static. (_initialize_ia64_tdep): Add declaration. * solib-legacy.c (_initialize_svr4_lm): Add declaration. * monitor.c (monitor_wait_filter): Make static. (_initialize_remote_monitors): Add declaration. * remote-hms.c (_initialize_remote_hms): Add declaration. * remote-e7000.c (fetch_regs_from_dump): Make static. (expect_n): Make static. (_initialize_remote_e7000): Add declaration. * ser-e7kpc.c: Always include "defs.h". (_initialize_ser_e7000pc): Add declaration. * h8300-tdep.c (_initialize_h8300_tdep): Add declaration. * cris-tdep.c: Make all but one function static. (_initialize_cris_tdep): Add declaration. * solib-svr4.c (_initialize_svr4_solib): Add declaration. * solib.c (update_solib_list): Make static. (_initialize_solib): Add declaration. * avr-tdep.c (avr_breakpoint_from_pc): Make static. (_initialize_avr_tdep): Add declaration. * remote-rdi.c (voiddummy): Make static. (_initialize_remote_rdi): Add declaration. * arm-tdep.c (_initialize_arm_tdep): Add declaration. * remote-rdp.c (send_rdp): Make static. (_initialize_remote_rdp): Add declaration. * alpha-tdep.c (_initialize_alpha_tdep): Add declaration.
2003-06-11 15:16:30 +02:00
static void
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
xstormy16_frame_prev_register (struct frame_info *next_frame, void **this_cache,
int regnum, int *optimizedp,
enum lval_type *lvalp, CORE_ADDR *addrp,
int *realnump, void *valuep)
{
struct xstormy16_frame_cache *cache = xstormy16_frame_cache (next_frame,
this_cache);
gdb_assert (regnum >= 0);
if (regnum == E_SP_REGNUM && cache->saved_sp)
{
*optimizedp = 0;
*lvalp = not_lval;
*addrp = 0;
*realnump = -1;
if (valuep)
{
/* Store the value. */
store_unsigned_integer (valuep, xstormy16_reg_size, cache->saved_sp);
}
return;
}
if (regnum < E_NUM_REGS && cache->saved_regs[regnum] != REG_UNAVAIL)
{
*optimizedp = 0;
*lvalp = lval_memory;
*addrp = cache->saved_regs[regnum];
*realnump = -1;
if (valuep)
{
/* Read the value in from memory. */
read_memory (*addrp, valuep,
register_size (current_gdbarch, regnum));
}
return;
}
*optimizedp = 0;
*lvalp = lval_register;
*addrp = 0;
*realnump = regnum;
if (valuep)
frame_unwind_register (next_frame, (*realnump), valuep);
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
}
static void
xstormy16_frame_this_id (struct frame_info *next_frame, void **this_cache,
struct frame_id *this_id)
{
struct xstormy16_frame_cache *cache = xstormy16_frame_cache (next_frame,
this_cache);
/* This marks the outermost frame. */
if (cache->base == 0)
return;
*this_id = frame_id_build (cache->saved_sp, cache->pc);
}
static CORE_ADDR
xstormy16_frame_base_address (struct frame_info *next_frame, void **this_cache)
{
struct xstormy16_frame_cache *cache = xstormy16_frame_cache (next_frame,
this_cache);
return cache->base;
}
static const struct frame_unwind xstormy16_frame_unwind = {
NORMAL_FRAME,
xstormy16_frame_this_id,
xstormy16_frame_prev_register
};
static const struct frame_base xstormy16_frame_base = {
&xstormy16_frame_unwind,
xstormy16_frame_base_address,
xstormy16_frame_base_address,
xstormy16_frame_base_address
};
static const struct frame_unwind *
xstormy16_frame_sniffer (struct frame_info *next_frame)
{
return &xstormy16_frame_unwind;
}
static CORE_ADDR
xstormy16_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
return frame_unwind_register_unsigned (next_frame, E_SP_REGNUM);
}
static CORE_ADDR
xstormy16_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
return frame_unwind_register_unsigned (next_frame, E_PC_REGNUM);
}
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
static struct frame_id
xstormy16_unwind_dummy_id (struct gdbarch *gdbarch,
struct frame_info *next_frame)
{
return frame_id_build (xstormy16_unwind_sp (gdbarch, next_frame),
frame_pc_unwind (next_frame));
}
/* Function: xstormy16_gdbarch_init
Initializer function for the xstormy16 gdbarch vector.
Called by gdbarch. Sets up the gdbarch vector(s) for this target. */
static struct gdbarch *
xstormy16_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
struct gdbarch *gdbarch;
/* find a candidate among the list of pre-declared architectures. */
arches = gdbarch_list_lookup_by_info (arches, &info);
if (arches != NULL)
return (arches->gdbarch);
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
gdbarch = gdbarch_alloc (&info, NULL);
2002-12-10 Andrew Cagney <cagney@redhat.com> * gdbarch.sh (DEPRECATED_INIT_FRAME_PC): Rename INIT_FRAME_PC. Change to a function with predicate. * gdbarch.h, gdbarch.c: Re-generate. * frame.c (get_prev_frame): Update. Test DEPRECATED_INIT_FRAME_PC_P. * config/sparc/tm-sparc.h (DEPRECATED_INIT_FRAME_PC): Update. * config/rs6000/tm-rs6000.h (DEPRECATED_INIT_FRAME_PC): Update. * config/mn10200/tm-mn10200.h (DEPRECATED_INIT_FRAME_PC): Update. * alpha-tdep.c (alpha_gdbarch_init): Update. * mn10300-tdep.c (mn10300_gdbarch_init): Update. * mips-tdep.c (mips_gdbarch_init): Update. * i386-interix-tdep.c (i386_interix_init_abi): Update. * arm-tdep.c: Update comments. * h8300-tdep.c (h8300_gdbarch_init): Explicitly set init_frame_pc. * config/m32r/tm-m32r.h (DEPRECATED_INIT_FRAME_PC): Ditto. * frv-tdep.c (frv_gdbarch_init): Ditto. * x86-64-tdep.c (x86_64_init_abi): Ditto. * ia64-tdep.c (ia64_gdbarch_init): Ditto. * s390-tdep.c (s390_gdbarch_init): Ditto. * v850-tdep.c (v850_gdbarch_init): Ditto. * vax-tdep.c (vax_gdbarch_init): Ditto. * sh-tdep.c (sh_gdbarch_init): Ditto. * ns32k-tdep.c (ns32k_gdbarch_init): Ditto. * m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto. * mcore-tdep.c (mcore_gdbarch_init): Ditto. * xstormy16-tdep.c (xstormy16_gdbarch_init): Ditto. * i386-tdep.c (i386_gdbarch_init): Ditto. * d10v-tdep.c (d10v_gdbarch_init): Ditto. * cris-tdep.c (cris_gdbarch_init): Ditto. * avr-tdep.c (avr_gdbarch_init): Ditto. * arm-tdep.c (arm_gdbarch_init): Ditto. * config/z8k/tm-z8k.h (INIT_FRAME_PC_FIRST): Delete macro. (DEPRECATED_INIT_FRAME_PC): Rename INIT_FRAME_PC.
2002-12-11 03:26:38 +01:00
/*
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
* Basic register fields and methods, datatype sizes and stuff.
*/
set_gdbarch_num_regs (gdbarch, E_NUM_REGS);
set_gdbarch_num_pseudo_regs (gdbarch, 0);
set_gdbarch_sp_regnum (gdbarch, E_SP_REGNUM);
set_gdbarch_pc_regnum (gdbarch, E_PC_REGNUM);
set_gdbarch_register_name (gdbarch, xstormy16_register_name);
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
set_gdbarch_register_type (gdbarch, xstormy16_register_type);
set_gdbarch_char_signed (gdbarch, 0);
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
set_gdbarch_int_bit (gdbarch, 2 * TARGET_CHAR_BIT);
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
set_gdbarch_long_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_long_long_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_float_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_long_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_ptr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_address_to_pointer (gdbarch, xstormy16_address_to_pointer);
set_gdbarch_pointer_to_address (gdbarch, xstormy16_pointer_to_address);
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
set_gdbarch_write_pc (gdbarch, generic_target_write_pc);
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
/* Stack grows up. */
set_gdbarch_inner_than (gdbarch, core_addr_greaterthan);
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
/*
* Frame Info
*/
set_gdbarch_unwind_sp (gdbarch, xstormy16_unwind_sp);
set_gdbarch_unwind_pc (gdbarch, xstormy16_unwind_pc);
set_gdbarch_unwind_dummy_id (gdbarch, xstormy16_unwind_dummy_id);
set_gdbarch_frame_align (gdbarch, xstormy16_frame_align);
frame_base_set_default (gdbarch, &xstormy16_frame_base);
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
set_gdbarch_skip_prologue (gdbarch, xstormy16_skip_prologue);
set_gdbarch_in_function_epilogue_p (gdbarch,
xstormy16_in_function_epilogue_p);
/* These values and methods are used when gdb calls a target function. */
set_gdbarch_push_dummy_call (gdbarch, xstormy16_push_dummy_call);
set_gdbarch_breakpoint_from_pc (gdbarch, xstormy16_breakpoint_from_pc);
set_gdbarch_return_value (gdbarch, xstormy16_return_value);
set_gdbarch_skip_trampoline_code (gdbarch, xstormy16_skip_trampoline_code);
2003-08-27 Andrew Cagney <cagney@redhat.com> * Makefile.in (cris-tdep.o): Update dependencies. * cris-tdep.c: Include "gdb_assert.h". (cris_gdbarch_init): Set print_insn. (_initialize_cris_tdep): Do not set deprecated_tm_print_insn. (cris_delayed_get_disassembler): Simplify, directly call the disassembler returned by cris_get_disassembler. * hppa-tdep.c (hppa_gdbarch_init): Set print_insn. (_initialize_hppa_tdep): Do not set deprecated_tm_print_insn. * ns32k-tdep.c (ns32k_gdbarch_init): Set print_insn. (_initialize_ns32k_tdep): Do not set deprecated_tm_print_insn. * mn10300-tdep.c (mn10300_gdbarch_init): Set print_insn. (_initialize_mn10300_tdep): Do not set deprecated_tm_print_insn. * mcore-tdep.c (mcore_gdbarch_init): Set print_insn. (_initialize_mcore_tdep): Do not set deprecated_tm_print_insn. * frv-tdep.c (frv_gdbarch_init): Set print_insn. (_initialize_frv_tdep): Do not set deprecated_tm_print_insn. * sparc-tdep.c (sparc_gdbarch_init): Set print_insn. (gdb_print_insn_sparc): Delete function. (_initialize_sparc_tdep): Do not set deprecated_tm_print_insn or deprecated_tm_print_insn_info. * v850-tdep.c (v850_gdbarch_init): Set print_insn. (_initialize_v850_tdep): Do not set deprecated_tm_print_insn. (v850_gdbarch_init): Do not set deprecated_tm_print_insn_info. * xstormy16-tdep.c (xstormy16_gdbarch_init): Set print_insn. (_initialize_xstormy16_tdep): Do not set deprecated_tm_print_insn. * s390-tdep.c (gdb_print_insn_s390): Delete function. (_initialize_s390_tdep): Do not set deprecated_tm_print_insn. (s390_gdbarch_init): Set print_insn.
2003-08-28 05:03:44 +02:00
set_gdbarch_print_insn (gdbarch, print_insn_xstormy16);
* MAINTAINERS: Remove "broken" from XStormy16 entry. * xstormy16-tdep.c: Convert XStormy16 target to latest GDB methods. (struct gdbarch_tdep): Remove. (struct xstormy16_frame_cache): New frame cache structure. (xstormy16_register_byte, xstormy16_register_raw_size) (xstormy16_reg_virtual_type, xstormy16_register_type) (xstormy16_push_arguments, xstormy16_push_return_address) (xstormy16_pop_frame, xstormy16_store_struct_return) (xstormy16_store_return_value, xstormy16_extract_struct_value_address) (xstormy16_frame_saved_register, xstormy16_get_saved_register) (xstormy16_scan_prologue, xstormy16_frame_init_saved_regs) (xstormy16_frame_saved_pc, xstormy16_init_extra_frame_info) (xstormy16_frame_chain, xstormy16_frame_chain_valid, (xstormy16_saved_pc_after_call, xstormy16_save_dummy_frame_to): Remove. (xstormy16_use_struct_convention): Drop gcc_p parameter. (xstormy16_extract_return_value, xstormy16_store_return_value): Regcachify. Drop useless struct convention handling. (xstormy16_register_type, xstormy16_return_value) (xstormy16_push_dummy_call, xstormy16_analyze_prologue) (xstormy16_alloc_frame_cache, xstormy16_frame_cache) (xstormy16_frame_prev_register, xstormy16_frame_this_id) (xstormy16_frame_base_address, xstormy16_frame_sniffer) (xstormy16_unwind_sp, xstormy16_unwind_pc) (xstormy16_unwind_dummy_id) : New functions. (xstormy16_skip_prologue): Call xstormy16_analyze_prologue instead of xstormy16_scan_prologue. (xstormy16_frame_unwind): New frame_unwind structure. (xstormy16_frame_base): New frame_base structure. (xstormy16_gdbarch_init): Accomodate all of the above changes. Reshuffle for better readability. Also add dwarf2_frame_sniffer.
2004-09-23 19:00:16 +02:00
gdbarch_init_osabi (info, gdbarch);
frame_unwind_append_sniffer (gdbarch, dwarf2_frame_sniffer);
frame_unwind_append_sniffer (gdbarch, xstormy16_frame_sniffer);
return gdbarch;
}
/* Function: _initialize_xstormy16_tdep
Initializer function for the Sanyo Xstormy16a module.
Called by gdb at start-up. */
2003-06-11 Andrew Cagney <cagney@redhat.com> * xstormy16-tdep.c (xstormy16_push_return_address): Make static. (xstormy16_save_dummy_frame_tos): Make static. (_initialize_xstormy16_tdep): Add declaration. * vax-tdep.c (_initialize_vax_tdep): Add declaration. * v850-tdep.c: Make local functions static. (_initialize_v850_tdep): Add declaration. * sparc-tdep.c: Make local functions static. (_initialize_sparc_tdep): Add declaration. * sh-tdep.c: Make local functions static. (_initialize_sh_tdep): Add declaration. * sh3-rom.c (_initialize_sh3_rom): Add declaration. * s390-tdep.c: Make local functions static. (_initialize_s390_tdep): Add declaration. * dbxread.c (find_stab_function_addr): Make static. * ppc-bdm.c (_initialize_bdm_ppc): Add declaration. * ocd.c (_initialize_remote_ocd): Add declaration. * dink32-rom.c (_initialize_dink32_rom): Add declaration. * ppcbug-rom.c (_initialize_ppcbug_rom): Add declaration. * ns32k-tdep.c (_initialize_ns32k_tdep): Add declaration. * ns32knbsd-tdep.c (_initialize_ns32knbsd_tdep): Add declaration. * mips-tdep.c (_initialize_mips_tdep): Add declaration. * remote-array.c (_initialize_array): Add declaration. (_initialize_remote_monitors): Add declaration. * remote-mips.c: Make local functions static. (_initialize_remote_mips): Add declaration. * mcore-tdep.c: Make all local functions static. (_initialize_mcore_tdep): Add declaration. * dbug-rom.c (_initialize_dbug_rom): Add declaration. * abug-rom.c (_initialize_abug_rom): Add declaration. * rom68k-rom.c (_initialize_rom68k): Add declaration. * cpu32bug-rom.c (_initialize_cpu32bug_rom): Add declaration. * m68k-tdep.c (_initialize_m68k_tdep): Add declaration. * remote-est.c (_initialize_est): Add declaration. * m68hc11-tdep.c (_initialize_m68hc11_tdep): Add declaration. (m68hc11_call_dummy_address): Make static. * ia64-tdep.c: Make local functions static. (_initialize_ia64_tdep): Add declaration. * solib-legacy.c (_initialize_svr4_lm): Add declaration. * monitor.c (monitor_wait_filter): Make static. (_initialize_remote_monitors): Add declaration. * remote-hms.c (_initialize_remote_hms): Add declaration. * remote-e7000.c (fetch_regs_from_dump): Make static. (expect_n): Make static. (_initialize_remote_e7000): Add declaration. * ser-e7kpc.c: Always include "defs.h". (_initialize_ser_e7000pc): Add declaration. * h8300-tdep.c (_initialize_h8300_tdep): Add declaration. * cris-tdep.c: Make all but one function static. (_initialize_cris_tdep): Add declaration. * solib-svr4.c (_initialize_svr4_solib): Add declaration. * solib.c (update_solib_list): Make static. (_initialize_solib): Add declaration. * avr-tdep.c (avr_breakpoint_from_pc): Make static. (_initialize_avr_tdep): Add declaration. * remote-rdi.c (voiddummy): Make static. (_initialize_remote_rdi): Add declaration. * arm-tdep.c (_initialize_arm_tdep): Add declaration. * remote-rdp.c (send_rdp): Make static. (_initialize_remote_rdp): Add declaration. * alpha-tdep.c (_initialize_alpha_tdep): Add declaration.
2003-06-11 15:16:30 +02:00
extern initialize_file_ftype _initialize_xstormy16_tdep; /* -Wmissing-prototypes */
void
_initialize_xstormy16_tdep (void)
{
register_gdbarch_init (bfd_arch_xstormy16, xstormy16_gdbarch_init);
}