Fred Fish [Thu, 11 Jul 1996 07:36:27 +0000 (07:36 +0000)]
* detach.c (mmalloc_detach): Fix bug in computation of negative
brk value.
* mmcheck.c (mmcheckf): Renamed from mmcheck and new FORCE argument
added. Replaced hack that always allowed checking routines to be
installed and enforce restriction that they have to be installed
prior to allocating any memory on the used heap or the FORCE argument
has to be non-NULL.
(mmcheck): New function that calls mmcheckf with FORCE set to zero,
for backwards compatibility.
* mmalloc.c (malloc): Store result in local variable before
returning it. Makes debugging much easier at negligible cost.
* mmalloc.h (mmcheckf): Declare.
* attach.c (reuse): Call mmcheckf rather than mmcheck.
* mmap-sup.c (__mmalloc_mmap_morecore): Improve to allow mmap
to select a base mapping address if none is otherwise given.
(mmalloc_findbase): New function that user can call to find
an available mapping address of a given size.
Ian Lance Taylor [Wed, 10 Jul 1996 16:51:06 +0000 (16:51 +0000)]
Wed Jul 10 12:39:08 1996 Richard Henderson <rth@tamu.edu>
* config/tc-alpha.c (alpha_align): Change fill parameter
to a pointer. Take NULL as 0 or nop depending on section. Change
all callers.
(s_alpha_align): Rename local variables.
* doc/as.texinfo (.align): Document action of omitted
fill parameter.
Jeff Law [Wed, 10 Jul 1996 04:44:23 +0000 (04:44 +0000)]
* h8300-tdep.c: Remove some outdated comments.
(h8300_skip_prologue): Rework to be more correct for the H8/300H.
Handle stm.l insns for the H8/S.
(examine_prologue): Likewise.
HMSE stuff.
From Kazumoto Kojima <kkojima@kk.info.kanagawa-u.ac.jp>:
* elf32-mips.c (struct mips_elf_link_hash_table): Add new fields
use_rld_obj_head and rld_value.
(mips_elf_link_hash_table_create): Initialize new fields.
(mips_elf_add_symbol_hook): Mark __rld_obj_head symbol as
dynamic.
(mips_elf_create_dynamic_sections): Create .rld_map section. If
__rld_obj_head symbol not seen, create an __rld_map symbol.
(mips_elf_size_dynamic_sections): Make space in .rld_map section.
Create a DT_MIPS_RLD_MAP entry rather than a DT_DEBUG entry.
(mips_elf_finish_dynamic_symbol): Save value of __rld_map or
__rld_obj_head symbol.
(mips_elf_finish_dynamic_sections): Handle DT_MIPS_RLD_MAP.
* config/tc-mips.c (mips_regmask_frag): Only define if OBJ_ELF or
OBJ_MAYBE_ELF.
(tc_gen_reloc): If fixup was changed to be PC relative, change
reloc type accordingly. Use name of reloc in error message.
* coff-mips.c (struct mips_hi): Define.
(mips_refhi_list): New static variable.
(mips_refhi_addr, mips_refhi_addend): Remove.
(mips_refhi_reloc): Maintain a list of unmatched REFHI relocs.
(mips_reflo_reloc): Process mips_refhi_list.
(mips_relhi_list): New static variable.
(mips_relhi_addr, mips_relhi_addend): Remove.
(mips_relhi_reloc): Maintain a list of unmatched RELHI relocs.
(mips_rello_reloc): Process mips_relhi_list.
(mips_relocate_section): Permit an arbitrary number of REFHI or
RELHI relocs before the associated REFLO or RELLO reloc.
PR 10050.
* ar.c (open_inarch): Add file parameter. Change all callers. If
this is a newly created archive, set the target based on the
file.
* arsup.h (open_inarch): Update declaration.
* config/tc-m68k.c (tc_gen_reloc): Change the code appropriately
if fx_pcrel is set. Correct setting the addend case in the
OBJ_ELF case (from Andreas Schwab
<schwab@issan.informatik.uni-dortmund.de>).
(md_show_usage): Correct -mfc5200 to -m5200.
Mark Alexander [Mon, 8 Jul 1996 15:53:36 +0000 (15:53 +0000)]
* mon960-rom.c (mon960_open): Add floating point detection to
prevent hang on non-FPU processors (PR 9775).
(mon960_cmds): Swap setmem.cmdw and setmem.cmdl to fix problem
setting breakpoints and improve loading speed.
Fred Fish [Mon, 8 Jul 1996 09:05:18 +0000 (09:05 +0000)]
(laying some groundwork for a fix for PR 8443)
* coffread.c (record_minimal_symbol): Don't presave name string
on symbol_obstack before passing to prim_record_minimal_symbol.
It now handles saving the string itself.
* dbxread.c (read_dbx_dynamic_symtab): Ditto.
* mipsread.c (read_alphacoff_dynamic_symtab): Ditto.
* os9kread.c (record_minimal_symbol): Ditto.
* solib.c (solib_add_common_symbols): Ditto.
* coffread.c (coff_symtab_read): Don't presave name string on
symbol_obstack before passing to prim_record_minimal_symbol_and_info.
It now handles saving the string itself.
* dbxread.c (record_minimal_symbol): Ditto.
* elfread.c (record_minimal_symbol_and_info): Ditto.
* dstread.c (record_minimal_symbol): Remove static function that just
called prim_record_minimal_symbol with the same args (after change to
prim_record_minimal_symbol to do it's own name string saves).
* nlmread.c (record_minimal_symbol): Ditto.
* somread.c (record_minimal_symbol): Ditto.
* hpread.c (hpread_read_enum_type): Save symbol name on symbol obstack.
(hpread_read_function_type): Ditto.
(hpread_process_one_debug_symbol): Ditto.
* mdebugread.c (parse_symbol): Ditto.
(new_symbol): Ditto.
* minsyms.c (prim_record_minimal_symbol_and_info): Ditto.
* coffread.c (process_coff_symbol): Use obsavestring to save
SYMBOL_NAME, rather than obstack_copy0.
* dstread.c (create_new_symbol): Ditto
* symfile.c (obconcat): Ditto.
* stabsread.c (patch_block_stabs): Ditto.
* xcoffread.c (SYMNAME_ALLOC): Ditto.
* symfile.c (obsavestring): Update comments
* solib.c (solib_add_common_symbols): Remove local var origname.
* rdcoff.c (parse_coff): Get address to pass to debug_end_function
from function size, not value of .ef symbol. From Ning
Mosberger-Tang <ning@AZStarNet.com>.
* emulparams/pc532macha.sh: Rename from pc532machaout.sh to avoid
System V file name limitations.
* configure.tgt (nc32k-pc532-mach*, ns32k-pc532-ux*): Use
pc532macha rather than pc532machaout.
* Makefile.in (ALL_EMULATIONS): Change epc532machaout.o to
epc532macha.o.
(epc532macha.c): Rename target from epc532machaout.c.
* bb_exit_func.c: Rename from __bb_exit_func.c, so that it can be
stored on a System V file system.
VS: ----------------------------------------------------------------------
Thu Jul 4 10:11:33 1996 James G. Smith <jsmith@cygnus.co.uk>
* config/tc-mips.c (mips_ip): Only perform range check when
dealing with O_constant expressions.
Problem noticed by QMS, where "%lo(SYM + LARGEOFFSET)" would complain
about the OFFSET being greater than 16bits or not absolute, when it
should really just be taking the lo-16bits of the final address value.
Stu Grossman [Thu, 4 Jul 1996 00:51:22 +0000 (00:51 +0000)]
* erc32.c (mec_reset mec_read mec_write memory_read memory_write),
sis.h: Get rid of all uses of long long's.
* (close_port read_uart write_uart uarta_tx): Don't seg fault
when can't open pty's.
* exec.c: Add two new instructions: smul, and divscc.
* interf.c (flush_windows): New routine to flush the register
windows out to the stack just before returning to GDB. Makes
backtraces work much better.
Stu Grossman [Thu, 4 Jul 1996 00:49:25 +0000 (00:49 +0000)]
* sparcl-tdep.c (_initialize_sparc_tdep) config/sparc/tm-sparc.h,
config/sparc/tm-sparclite.h: Initialize tm_print_insn from
TM_PRINT_INSN, which comes from the tm file.
* Makefile.in (INTERNAL_LDFLAGS): Add in flags from configure.
* configure configure.in: Only make sol-thread.o for native.
Also, switch to dlopened libthread_db.so.1.
* sol-thread.c: Switch to using dlopen to get the thread_db
library.
* configure, configure.in: Change test for libthread_db to only
work for configs where build/host/target are the same.
* m68k-parse.h (m68k_register): Add new coldfile control
registers.
* config/tc-m68k.c (mcf5200_control_regs): New variable,
array of control registers for the coldfire.
(cpu_of_arch): Added mcf5200.
(archs): Added mcf5200.
(init_table): Add new control registers.
(m68k_ip): Added support for new control registers.
(m68k_init_after_args): Likewise.
* config/tc-m68k.c (md_show_usage): Add -m5200 to usage text.
Based on patches from Tom Quiggle <quiggle@sgi.com>:
* ecoff.c (last_lineno): New static variable.
(add_procedure): Set last_lineno.
(ecoff_directive_loc): Likewise.
(ecoff_generate_asm_lineno): Likewise.
(ecoff_fix_loc): New function.
* ecoff.h (ecoff_fix_loc): Declare.
* config/tc-mips.c (append_insn): When inserting nops, and using
ECOFF debugging, call ecoff_fix_loc.
* gas/all/gas.exp: Remove setup_xfail for h8300*-*-* for two tests
which now pass.
* gas/h8300/h8300.exp: Fix regexp of mov32bug test to work on a 64
bit host.
Jeff Law [Wed, 3 Jul 1996 05:10:47 +0000 (05:10 +0000)]
* run.c (main): Don't "load" sections which don't have
SEC_LOAD set.
* compile.c (sim_resume, case "O_NOT"): Use ONOT instead
of OSHIFTS.
(ONOT): Define.
(sim_resume, shift/rotate cases): Add support for shift/rotate
by two bits.
(OSHIFTS): Corresponding changes.
Handling more H8/S ops.
Jeff Law [Wed, 3 Jul 1996 05:07:07 +0000 (05:07 +0000)]
* h8300.h (SRC_IN_DST): Define.
* h8300.h (UNOP3): Mark the register operand in this insn
as a source operand, not a destination operand.
(SHIFT_2, SHIFT_IMM): Remove. Eliminate all references.
(UNOP3): Change SHIFT_IMM to IMM for H8/S bitops. Mark
register operand with SRC_IN_DST.
More hackery for new shift ops on the H8/S.
Jeff Law [Wed, 3 Jul 1996 05:03:54 +0000 (05:03 +0000)]
* config/tc-h8300.c (build_bytes): If an operand type is
marked as SRC_IN_DST retrieve it from the "destination" op.
Disgusting hack for shal #2,er0. HMSE
Jeff Law [Tue, 2 Jul 1996 19:20:37 +0000 (19:20 +0000)]
* h8300.h (UNOP3): Mark the register operand in this insn
as a source operand, not a destination operand.
So the simulator can handle shal #2,er0 correctly.