diff options
Diffstat (limited to 'gdb/iq2000-tdep.c')
| -rw-r--r-- | gdb/iq2000-tdep.c | 146 |
1 files changed, 73 insertions, 73 deletions
diff --git a/gdb/iq2000-tdep.c b/gdb/iq2000-tdep.c index cd53ec7..499f1b7 100644 --- a/gdb/iq2000-tdep.c +++ b/gdb/iq2000-tdep.c @@ -239,7 +239,7 @@ iq2000_scan_prologue (struct gdbarch *gdbarch, { LONGEST insn = read_memory_unsigned_integer (pc, 4, byte_order); /* Skip any instructions writing to (sp) or decrementing the - SP. */ + SP. */ if ((insn & 0xffe00000) == 0xac200000) { /* sw using SP/%1 as base. */ @@ -298,8 +298,8 @@ iq2000_scan_prologue (struct gdbarch *gdbarch, } /* Unknown instruction encountered in frame. Bail out? - 1) If we have a subsequent line symbol, we can keep going. - 2) If not, we need to bail out and quit scanning instructions. */ + 1) If we have a subsequent line symbol, we can keep going. + 2) If not, we need to bail out and quit scanning instructions. */ if (fi && sal.end && (pc < sal.end)) /* Keep scanning. */ continue; @@ -406,7 +406,7 @@ iq2000_frame_prev_register (struct frame_info *this_frame, void **this_cache, if (regnum < E_NUM_REGS && cache->saved_regs[regnum] != -1) return frame_unwind_got_memory (this_frame, regnum, - cache->saved_regs[regnum]); + cache->saved_regs[regnum]); return frame_unwind_got_register (this_frame, regnum, regnum); } @@ -624,8 +624,8 @@ iq2000_pass_8bytetype_by_address (struct type *type) static CORE_ADDR iq2000_push_dummy_call (struct gdbarch *gdbarch, struct value *function, - struct regcache *regcache, CORE_ADDR bp_addr, - int nargs, struct value **args, CORE_ADDR sp, + struct regcache *regcache, CORE_ADDR bp_addr, + int nargs, struct value **args, CORE_ADDR sp, function_call_return_method return_method, CORE_ADDR struct_addr) { @@ -646,45 +646,45 @@ iq2000_push_dummy_call (struct gdbarch *gdbarch, struct value *function, type = value_type (args[i]); typelen = TYPE_LENGTH (type); if (typelen <= 4) - { - /* Scalars of up to 4 bytes, - structs of up to 4 bytes, and - pointers. */ - if (argreg <= E_LAST_ARGREG) - argreg++; - else - stackspace += 4; - } + { + /* Scalars of up to 4 bytes, + structs of up to 4 bytes, and + pointers. */ + if (argreg <= E_LAST_ARGREG) + argreg++; + else + stackspace += 4; + } else if (typelen == 8 && !iq2000_pass_8bytetype_by_address (type)) - { - /* long long, - double, and possibly - structs with a single field of long long or double. */ - if (argreg <= E_LAST_ARGREG - 1) - { - /* 8-byte arg goes into a register pair - (must start with an even-numbered reg). */ - if (((argreg - E_1ST_ARGREG) % 2) != 0) - argreg ++; - argreg += 2; - } - else - { - argreg = E_LAST_ARGREG + 1; /* no more argregs. */ - /* 8-byte arg goes on stack, must be 8-byte aligned. */ - stackspace = ((stackspace + 7) & ~7); - stackspace += 8; - } - } + { + /* long long, + double, and possibly + structs with a single field of long long or double. */ + if (argreg <= E_LAST_ARGREG - 1) + { + /* 8-byte arg goes into a register pair + (must start with an even-numbered reg). */ + if (((argreg - E_1ST_ARGREG) % 2) != 0) + argreg ++; + argreg += 2; + } + else + { + argreg = E_LAST_ARGREG + 1; /* no more argregs. */ + /* 8-byte arg goes on stack, must be 8-byte aligned. */ + stackspace = ((stackspace + 7) & ~7); + stackspace += 8; + } + } else { /* Structs are passed as pointer to a copy of the struct. So we need room on the stack for a copy of the struct plus for the argument pointer. */ - if (argreg <= E_LAST_ARGREG) - argreg++; - else - stackspace += 4; + if (argreg <= E_LAST_ARGREG) + argreg++; + else + stackspace += 4; /* Care for 8-byte alignment of structs saved on stack. */ stackspace += ((typelen + 7) & ~7); } @@ -713,47 +713,47 @@ iq2000_push_dummy_call (struct gdbarch *gdbarch, struct value *function, typelen = TYPE_LENGTH (type); val = value_contents (args[i]); if (typelen <= 4) - { - /* Char, short, int, float, pointer, and structs <= four bytes. */ + { + /* Char, short, int, float, pointer, and structs <= four bytes. */ slacklen = (4 - (typelen % 4)) % 4; memset (buf, 0, sizeof (buf)); memcpy (buf + slacklen, val, typelen); - if (argreg <= E_LAST_ARGREG) - { - /* Passed in a register. */ + if (argreg <= E_LAST_ARGREG) + { + /* Passed in a register. */ regcache->raw_write (argreg++, buf); - } - else - { - /* Passed on the stack. */ - write_memory (sp + stackspace, buf, 4); - stackspace += 4; - } - } + } + else + { + /* Passed on the stack. */ + write_memory (sp + stackspace, buf, 4); + stackspace += 4; + } + } else if (typelen == 8 && !iq2000_pass_8bytetype_by_address (type)) - { - /* (long long), (double), or struct consisting of - a single (long long) or (double). */ - if (argreg <= E_LAST_ARGREG - 1) - { - /* 8-byte arg goes into a register pair - (must start with an even-numbered reg). */ - if (((argreg - E_1ST_ARGREG) % 2) != 0) - argreg++; + { + /* (long long), (double), or struct consisting of + a single (long long) or (double). */ + if (argreg <= E_LAST_ARGREG - 1) + { + /* 8-byte arg goes into a register pair + (must start with an even-numbered reg). */ + if (((argreg - E_1ST_ARGREG) % 2) != 0) + argreg++; regcache->raw_write (argreg++, val); regcache->raw_write (argreg++, val + 4); - } - else - { - /* 8-byte arg goes on stack, must be 8-byte aligned. */ - argreg = E_LAST_ARGREG + 1; /* no more argregs. */ - stackspace = ((stackspace + 7) & ~7); - write_memory (sp + stackspace, val, typelen); - stackspace += 8; - } - } + } + else + { + /* 8-byte arg goes on stack, must be 8-byte aligned. */ + argreg = E_LAST_ARGREG + 1; /* no more argregs. */ + stackspace = ((stackspace + 7) & ~7); + write_memory (sp + stackspace, val, typelen); + stackspace += 8; + } + } else - { + { /* Store struct beginning at the upper end of the previously computed stack space. Then store the address of the struct using the usual rules for a 4 byte value. */ @@ -767,7 +767,7 @@ iq2000_push_dummy_call (struct gdbarch *gdbarch, struct value *function, write_memory (sp + stackspace, buf, 4); stackspace += 4; } - } + } } /* Store return address. */ |