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| author | Andrew Cagney <cagney@redhat.com> | 2000-07-10 15:09:23 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 2000-07-10 15:09:23 +0000 |
| commit | cce41527ca1386c9658507424cee111869170997 (patch) | |
| tree | 245ba96039ff8bf7b6101b5c1c1a55e5eeb25442 /gdb | |
| parent | 12c616f16e85d318aa0cb1842abcb557e4cf2d40 (diff) | |
| download | gdb-cce41527ca1386c9658507424cee111869170997.zip gdb-cce41527ca1386c9658507424cee111869170997.tar.gz gdb-cce41527ca1386c9658507424cee111869170997.tar.bz2 | |
* mips-tdep.c (mips_push_arguments): Always align struct_addr on a
16 byte boundary. Align allocated argument space using
MIPS_STACK_ARGSIZE. Reserve space on stack for the struct return
and floating-point registers. Use fp_register_arg_p to determine
if float_argreg should be aligned.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 8 | ||||
| -rw-r--r-- | gdb/mips-tdep.c | 11 |
2 files changed, 16 insertions, 3 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 72584e0..06d4b1b 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,11 @@ +Mon Jul 10 18:06:18 2000 Andrew Cagney <cagney@b1.cygnus.com> + + * mips-tdep.c (mips_push_arguments): Always align struct_addr on a + 16 byte boundary. Align allocated argument space using + MIPS_STACK_ARGSIZE. Reserve space on stack for the struct return + and floating-point registers. Use fp_register_arg_p to determine + if float_argreg should be aligned. + 2000-07-10 Elena Zannoni <ezannoni@kwikemart.cygnus.com> * config/sh/tm-sh.h (STORE_RETURN_VALUE): Redefine as diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index 41bf280..67a320a 100644 --- a/gdb/mips-tdep.c +++ b/gdb/mips-tdep.c @@ -2104,13 +2104,13 @@ mips_push_arguments (nargs, args, sp, struct_return, struct_addr) On at least one MIPS variant, stack frames need to be 128-bit aligned, so we round to this widest known alignment. */ sp = ROUND_DOWN (sp, 16); - struct_addr = ROUND_DOWN (struct_addr, MIPS_SAVED_REGSIZE); + struct_addr = ROUND_DOWN (struct_addr, 16); /* Now make space on the stack for the args. We allocate more than necessary for EABI, because the first few arguments are passed in registers, but that's OK. */ for (argnum = 0; argnum < nargs; argnum++) - len += ROUND_UP (TYPE_LENGTH (VALUE_TYPE (args[argnum])), MIPS_SAVED_REGSIZE); + len += ROUND_UP (TYPE_LENGTH (VALUE_TYPE (args[argnum])), MIPS_STACK_ARGSIZE); sp -= ROUND_UP (len, 16); if (mips_debug) @@ -2126,9 +2126,11 @@ mips_push_arguments (nargs, args, sp, struct_return, struct_addr) { if (mips_debug) fprintf_unfiltered (gdb_stdlog, - "mips_push_arguments: struct_return at r%d 0x%lx\n", + "mips_push_arguments: struct_return reg=%d 0x%lx\n", argreg, (long) struct_addr); write_register (argreg++, struct_addr); + if (MIPS_REGS_HAVE_HOME_P) + stack_offset += MIPS_STACK_ARGSIZE; } /* Now load as many as possible of the first arguments into @@ -2243,6 +2245,9 @@ mips_push_arguments (nargs, args, sp, struct_return, struct_addr) argreg += FP_REGISTER_DOUBLE ? 1 : 2; } } + /* Reserve space for the FP register. */ + if (MIPS_REGS_HAVE_HOME_P) + stack_offset += ROUND_UP (len, MIPS_STACK_ARGSIZE); } else { |