diff options
Diffstat (limited to 'gdb/moxie-tdep.c')
| -rw-r--r-- | gdb/moxie-tdep.c | 218 |
1 files changed, 109 insertions, 109 deletions
diff --git a/gdb/moxie-tdep.c b/gdb/moxie-tdep.c index 9154d48..807c9d1 100644 --- a/gdb/moxie-tdep.c +++ b/gdb/moxie-tdep.c @@ -42,7 +42,10 @@ #include <algorithm> /* Use an invalid address value as 'not available' marker. */ -enum { REG_UNAVAIL = (CORE_ADDR) -1 }; +enum +{ + REG_UNAVAIL = (CORE_ADDR) -1 +}; struct moxie_frame_cache { @@ -70,11 +73,9 @@ typedef BP_MANIPULATION (moxie_break_insn) moxie_breakpoint; /* Moxie register names. */ -static const char * const moxie_register_names[] = { - "$fp", "$sp", "$r0", "$r1", "$r2", - "$r3", "$r4", "$r5", "$r6", "$r7", - "$r8", "$r9", "$r10", "$r11", "$r12", - "$r13", "$pc", "$cc" }; +static const char *const moxie_register_names[] + = { "$fp", "$sp", "$r0", "$r1", "$r2", "$r3", "$r4", "$r5", "$r6", + "$r7", "$r8", "$r9", "$r10", "$r11", "$r12", "$r13", "$pc", "$cc" }; /* Implement the "register_name" gdbarch method. */ @@ -91,7 +92,7 @@ static struct type * moxie_register_type (struct gdbarch *gdbarch, int reg_nr) { if (reg_nr == MOXIE_PC_REGNUM) - return builtin_type (gdbarch)->builtin_func_ptr; + return builtin_type (gdbarch)->builtin_func_ptr; else if (reg_nr == MOXIE_SP_REGNUM || reg_nr == MOXIE_FP_REGNUM) return builtin_type (gdbarch)->builtin_data_ptr; else @@ -103,7 +104,7 @@ moxie_register_type (struct gdbarch *gdbarch, int reg_nr) static void moxie_store_return_value (struct type *type, struct regcache *regcache, - const gdb_byte *valbuf) + const gdb_byte *valbuf) { struct gdbarch *gdbarch = regcache->arch (); enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); @@ -145,7 +146,7 @@ moxie_analyze_prologue (CORE_ADDR start_addr, CORE_ADDR end_addr, if (start_addr >= end_addr) return end_addr; - for (next_addr = start_addr; next_addr < end_addr; ) + for (next_addr = start_addr; next_addr < end_addr;) { inst = read_memory_unsigned_integer (next_addr, 2, byte_order); @@ -165,19 +166,19 @@ moxie_analyze_prologue (CORE_ADDR start_addr, CORE_ADDR end_addr, /* Optional stack allocation for args and local vars <= 4 byte. */ - if (inst == 0x01e0) /* ldi.l $r12, X */ + if (inst == 0x01e0) /* ldi.l $r12, X */ { offset = read_memory_integer (next_addr + 2, 4, byte_order); inst2 = read_memory_unsigned_integer (next_addr + 6, 2, byte_order); - - if (inst2 == 0x291e) /* sub.l $sp, $r12 */ + + if (inst2 == 0x291e) /* sub.l $sp, $r12 */ { cache->framesize += offset; } - + return (next_addr + 8); } - else if ((inst & 0xff00) == 0x9100) /* dec $sp, X */ + else if ((inst & 0xff00) == 0x9100) /* dec $sp, X */ { cache->framesize += (inst & 0x00ff); next_addr += 2; @@ -220,11 +221,11 @@ moxie_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc) struct symbol *sym; struct moxie_frame_cache cache; CORE_ADDR plg_end; - + memset (&cache, 0, sizeof cache); - - plg_end = moxie_analyze_prologue (func_addr, - func_end, &cache, gdbarch); + + plg_end + = moxie_analyze_prologue (func_addr, func_end, &cache, gdbarch); /* Found a function. */ sym = lookup_symbol (func_name, NULL, VAR_DOMAIN, NULL).symbol; /* Don't use line number debug info for assembly source @@ -270,15 +271,15 @@ struct moxie_unwind_cache /* Read an unsigned integer from the inferior, and adjust endianness. */ static ULONGEST -moxie_process_readu (CORE_ADDR addr, gdb_byte *buf, - int length, enum bfd_endian byte_order) +moxie_process_readu (CORE_ADDR addr, gdb_byte *buf, int length, + enum bfd_endian byte_order) { if (target_read_memory (addr, buf, length)) { if (record_debug) gdb_printf (gdb_stderr, - _("Process record: error reading memory at " - "addr 0x%s len = %d.\n"), + _ ("Process record: error reading memory at " + "addr 0x%s len = %d.\n"), paddress (target_gdbarch (), addr), length); return -1; } @@ -286,10 +287,10 @@ moxie_process_readu (CORE_ADDR addr, gdb_byte *buf, return extract_unsigned_integer (buf, length, byte_order); } - /* Helper macro to extract the signed 10-bit offset from a 16-bit branch instruction. */ -#define INST2OFFSET(o) ((((signed short)((o & ((1<<10)-1))<<6))>>6)<<1) +#define INST2OFFSET(o) \ + ((((signed short) ((o & ((1 << 10) - 1)) << 6)) >> 6) << 1) /* Insert a single step breakpoint. */ @@ -332,7 +333,7 @@ moxie_software_single_step (struct regcache *regcache) /* Insert breaks on both branches, because we can't currently tell which way things will go. */ next_pcs.push_back (addr + 2); - next_pcs.push_back (addr + 2 + INST2OFFSET(inst)); + next_pcs.push_back (addr + 2 + INST2OFFSET (inst)); break; default: { @@ -426,12 +427,13 @@ moxie_software_single_step (struct regcache *regcache) case 0x04: /* ret */ regcache_cooked_read_unsigned (regcache, MOXIE_FP_REGNUM, &fp); - next_pcs.push_back (moxie_process_readu (fp + 4, buf, 4, byte_order)); + next_pcs.push_back (moxie_process_readu (fp + 4, buf, 4, + byte_order)); break; case 0x19: /* jsr */ case 0x25: /* jmp */ - regcache->raw_read ((inst >> 4) & 0xf, (gdb_byte *) & tmpu32); + regcache->raw_read ((inst >> 4) & 0xf, (gdb_byte *) &tmpu32); next_pcs.push_back (tmpu32); break; @@ -475,8 +477,8 @@ moxie_extract_return_value (struct type *type, struct regcache *regcache, static enum return_value_convention moxie_return_value (struct gdbarch *gdbarch, struct value *function, - struct type *valtype, struct regcache *regcache, - gdb_byte *readbuf, const gdb_byte *writebuf) + struct type *valtype, struct regcache *regcache, + gdb_byte *readbuf, const gdb_byte *writebuf) { if (valtype->length () > 8) return RETURN_VALUE_STRUCT_CONVENTION; @@ -550,11 +552,11 @@ moxie_frame_cache (frame_info_ptr this_frame, void **this_cache) frame. This will be used to create a new GDB frame struct. */ static void -moxie_frame_this_id (frame_info_ptr this_frame, - void **this_prologue_cache, struct frame_id *this_id) +moxie_frame_this_id (frame_info_ptr this_frame, void **this_prologue_cache, + struct frame_id *this_id) { - struct moxie_frame_cache *cache = moxie_frame_cache (this_frame, - this_prologue_cache); + struct moxie_frame_cache *cache + = moxie_frame_cache (this_frame, this_prologue_cache); /* This marks the outermost frame. */ if (cache->base == 0) @@ -567,10 +569,10 @@ moxie_frame_this_id (frame_info_ptr this_frame, static struct value * moxie_frame_prev_register (frame_info_ptr this_frame, - void **this_prologue_cache, int regnum) + void **this_prologue_cache, int regnum) { - struct moxie_frame_cache *cache = moxie_frame_cache (this_frame, - this_prologue_cache); + struct moxie_frame_cache *cache + = moxie_frame_cache (this_frame, this_prologue_cache); gdb_assert (regnum >= 0); @@ -584,33 +586,28 @@ moxie_frame_prev_register (frame_info_ptr this_frame, return frame_unwind_got_register (this_frame, regnum, regnum); } -static const struct frame_unwind moxie_frame_unwind = { - "moxie prologue", - NORMAL_FRAME, - default_frame_unwind_stop_reason, - moxie_frame_this_id, - moxie_frame_prev_register, - NULL, - default_frame_sniffer -}; +static const struct frame_unwind moxie_frame_unwind + = { "moxie prologue", + NORMAL_FRAME, + default_frame_unwind_stop_reason, + moxie_frame_this_id, + moxie_frame_prev_register, + NULL, + default_frame_sniffer }; /* Return the base address of this_frame. */ static CORE_ADDR moxie_frame_base_address (frame_info_ptr this_frame, void **this_cache) { - struct moxie_frame_cache *cache = moxie_frame_cache (this_frame, - this_cache); + struct moxie_frame_cache *cache = moxie_frame_cache (this_frame, this_cache); return cache->base; } -static const struct frame_base moxie_frame_base = { - &moxie_frame_unwind, - moxie_frame_base_address, - moxie_frame_base_address, - moxie_frame_base_address -}; +static const struct frame_base moxie_frame_base + = { &moxie_frame_unwind, moxie_frame_base_address, moxie_frame_base_address, + moxie_frame_base_address }; /* Parse the current instruction and record the values of the registers and memory that will be changed in current instruction to "record_arch_list". @@ -626,7 +623,8 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); if (record_debug > 1) - gdb_printf (gdb_stdlog, "Process record: moxie_process_record " + gdb_printf (gdb_stdlog, + "Process record: moxie_process_record " "addr = 0x%s\n", paddress (target_gdbarch (), addr)); @@ -639,7 +637,7 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, { /* This is a Form 3 instruction. */ int opcode = (inst >> 10 & 0xf); - + switch (opcode) { case 0x00: /* beq */ @@ -708,13 +706,11 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, break; case 0x03: /* jsra */ { - regcache->raw_read ( - MOXIE_SP_REGNUM, (gdb_byte *) & tmpu32); - tmpu32 = extract_unsigned_integer ((gdb_byte *) & tmpu32, - 4, byte_order); + regcache->raw_read (MOXIE_SP_REGNUM, (gdb_byte *) &tmpu32); + tmpu32 + = extract_unsigned_integer ((gdb_byte *) &tmpu32, 4, byte_order); if (record_full_arch_list_add_reg (regcache, MOXIE_FP_REGNUM) - || (record_full_arch_list_add_reg (regcache, - MOXIE_SP_REGNUM)) + || (record_full_arch_list_add_reg (regcache, MOXIE_SP_REGNUM)) || record_full_arch_list_add_mem (tmpu32 - 12, 12)) return -1; } @@ -722,8 +718,7 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, case 0x04: /* ret */ { if (record_full_arch_list_add_reg (regcache, MOXIE_FP_REGNUM) - || (record_full_arch_list_add_reg (regcache, - MOXIE_SP_REGNUM))) + || (record_full_arch_list_add_reg (regcache, MOXIE_SP_REGNUM))) return -1; } break; @@ -737,9 +732,9 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, case 0x06: /* push */ { int reg = (inst >> 4) & 0xf; - regcache->raw_read (reg, (gdb_byte *) & tmpu32); - tmpu32 = extract_unsigned_integer ((gdb_byte *) & tmpu32, - 4, byte_order); + regcache->raw_read (reg, (gdb_byte *) &tmpu32); + tmpu32 + = extract_unsigned_integer ((gdb_byte *) &tmpu32, 4, byte_order); if (record_full_arch_list_add_reg (regcache, reg) || record_full_arch_list_add_mem (tmpu32 - 4, 4)) return -1; @@ -763,8 +758,8 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, break; case 0x09: /* sta.l */ { - tmpu32 = (uint32_t) moxie_process_readu (addr+2, buf, - 4, byte_order); + tmpu32 + = (uint32_t) moxie_process_readu (addr + 2, buf, 4, byte_order); if (record_full_arch_list_add_mem (tmpu32, 4)) return -1; } @@ -779,9 +774,9 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, case 0x0b: /* st.l */ { int reg = (inst >> 4) & 0xf; - regcache->raw_read (reg, (gdb_byte *) & tmpu32); - tmpu32 = extract_unsigned_integer ((gdb_byte *) & tmpu32, - 4, byte_order); + regcache->raw_read (reg, (gdb_byte *) &tmpu32); + tmpu32 + = extract_unsigned_integer ((gdb_byte *) &tmpu32, 4, byte_order); if (record_full_arch_list_add_mem (tmpu32, 4)) return -1; } @@ -796,11 +791,13 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, case 0x0d: /* sto.l */ { int reg = (inst >> 4) & 0xf; - uint32_t offset = (((int16_t) moxie_process_readu (addr+2, buf, 2, - byte_order)) << 16 ) >> 16; - regcache->raw_read (reg, (gdb_byte *) & tmpu32); - tmpu32 = extract_unsigned_integer ((gdb_byte *) & tmpu32, - 4, byte_order); + uint32_t offset + = (((int16_t) moxie_process_readu (addr + 2, buf, 2, byte_order)) + << 16) + >> 16; + regcache->raw_read (reg, (gdb_byte *) &tmpu32); + tmpu32 + = extract_unsigned_integer ((gdb_byte *) &tmpu32, 4, byte_order); tmpu32 += offset; if (record_full_arch_list_add_mem (tmpu32, 4)) return -1; @@ -838,13 +835,11 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, } case 0x19: /* jsr */ { - regcache->raw_read ( - MOXIE_SP_REGNUM, (gdb_byte *) & tmpu32); - tmpu32 = extract_unsigned_integer ((gdb_byte *) & tmpu32, - 4, byte_order); + regcache->raw_read (MOXIE_SP_REGNUM, (gdb_byte *) &tmpu32); + tmpu32 + = extract_unsigned_integer ((gdb_byte *) &tmpu32, 4, byte_order); if (record_full_arch_list_add_reg (regcache, MOXIE_FP_REGNUM) - || (record_full_arch_list_add_reg (regcache, - MOXIE_SP_REGNUM)) + || (record_full_arch_list_add_reg (regcache, MOXIE_SP_REGNUM)) || record_full_arch_list_add_mem (tmpu32 - 12, 12)) return -1; } @@ -866,16 +861,16 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, case 0x1e: /* st.b */ { int reg = (inst >> 4) & 0xf; - regcache->raw_read (reg, (gdb_byte *) & tmpu32); - tmpu32 = extract_unsigned_integer ((gdb_byte *) & tmpu32, - 4, byte_order); + regcache->raw_read (reg, (gdb_byte *) &tmpu32); + tmpu32 + = extract_unsigned_integer ((gdb_byte *) &tmpu32, 4, byte_order); if (record_full_arch_list_add_mem (tmpu32, 1)) return -1; } break; case 0x1f: /* sta.b */ { - tmpu32 = moxie_process_readu (addr+2, buf, 4, byte_order); + tmpu32 = moxie_process_readu (addr + 2, buf, 4, byte_order); if (record_full_arch_list_add_mem (tmpu32, 1)) return -1; } @@ -892,16 +887,16 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, case 0x23: /* st.s */ { int reg = (inst >> 4) & 0xf; - regcache->raw_read (reg, (gdb_byte *) & tmpu32); - tmpu32 = extract_unsigned_integer ((gdb_byte *) & tmpu32, - 4, byte_order); + regcache->raw_read (reg, (gdb_byte *) &tmpu32); + tmpu32 + = extract_unsigned_integer ((gdb_byte *) &tmpu32, 4, byte_order); if (record_full_arch_list_add_mem (tmpu32, 2)) return -1; } break; case 0x24: /* sta.s */ { - tmpu32 = moxie_process_readu (addr+2, buf, 4, byte_order); + tmpu32 = moxie_process_readu (addr + 2, buf, 4, byte_order); if (record_full_arch_list_add_mem (tmpu32, 2)) return -1; } @@ -932,7 +927,7 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, /* We currently implement support for libgloss' system calls. */ - int inum = moxie_process_readu (addr+2, buf, 4, byte_order); + int inum = moxie_process_readu (addr + 2, buf, 4, byte_order); switch (inum) { @@ -952,16 +947,16 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, uint32_t length, ptr; /* Read buffer pointer is in $r1. */ - regcache->raw_read (3, (gdb_byte *) & ptr); - ptr = extract_unsigned_integer ((gdb_byte *) & ptr, - 4, byte_order); + regcache->raw_read (3, (gdb_byte *) &ptr); + ptr = extract_unsigned_integer ((gdb_byte *) &ptr, 4, + byte_order); /* String length is at 0x12($fp). */ - regcache->raw_read ( - MOXIE_FP_REGNUM, (gdb_byte *) & tmpu32); - tmpu32 = extract_unsigned_integer ((gdb_byte *) & tmpu32, - 4, byte_order); - length = moxie_process_readu (tmpu32+20, buf, 4, byte_order); + regcache->raw_read (MOXIE_FP_REGNUM, (gdb_byte *) &tmpu32); + tmpu32 = extract_unsigned_integer ((gdb_byte *) &tmpu32, 4, + byte_order); + length + = moxie_process_readu (tmpu32 + 20, buf, 4, byte_order); if (record_full_arch_list_add_mem (ptr, length)) return -1; @@ -1001,11 +996,13 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, case 0x37: /* sto.b */ { int reg = (inst >> 4) & 0xf; - uint32_t offset = (((int16_t) moxie_process_readu (addr+2, buf, 2, - byte_order)) << 16 ) >> 16; - regcache->raw_read (reg, (gdb_byte *) & tmpu32); - tmpu32 = extract_unsigned_integer ((gdb_byte *) & tmpu32, - 4, byte_order); + uint32_t offset + = (((int16_t) moxie_process_readu (addr + 2, buf, 2, byte_order)) + << 16) + >> 16; + regcache->raw_read (reg, (gdb_byte *) &tmpu32); + tmpu32 + = extract_unsigned_integer ((gdb_byte *) &tmpu32, 4, byte_order); tmpu32 += offset; if (record_full_arch_list_add_mem (tmpu32, 1)) return -1; @@ -1021,11 +1018,13 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache, case 0x39: /* sto.s */ { int reg = (inst >> 4) & 0xf; - uint32_t offset = (((int16_t) moxie_process_readu (addr+2, buf, 2, - byte_order)) << 16 ) >> 16; - regcache->raw_read (reg, (gdb_byte *) & tmpu32); - tmpu32 = extract_unsigned_integer ((gdb_byte *) & tmpu32, - 4, byte_order); + uint32_t offset + = (((int16_t) moxie_process_readu (addr + 2, buf, 2, byte_order)) + << 16) + >> 16; + regcache->raw_read (reg, (gdb_byte *) &tmpu32); + tmpu32 + = extract_unsigned_integer ((gdb_byte *) &tmpu32, 4, byte_order); tmpu32 += offset; if (record_full_arch_list_add_mem (tmpu32, 2)) return -1; @@ -1100,6 +1099,7 @@ moxie_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) /* Register this machine's init routine. */ void _initialize_moxie_tdep (); + void _initialize_moxie_tdep () { |