diff options
Diffstat (limited to 'gdb/mips-tdep.c')
| -rw-r--r-- | gdb/mips-tdep.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index 73429dca1bd..786508ebca3 100644 --- a/gdb/mips-tdep.c +++ b/gdb/mips-tdep.c @@ -1,6 +1,5 @@ /* Target-dependent code for the MIPS architecture, for GDB, the GNU Debugger. - Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 - Free Software Foundation, Inc. + Copyright 1988-1999, Free Software Foundation, Inc. Contributed by Alessandro Forin(af@cs.cmu.edu) at CMU and by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin. @@ -2032,10 +2031,16 @@ mips_push_arguments (nargs, args, sp, struct_return, struct_addr) { /* This is a floating point value that fits entirely in a single register. */ + /* On 32 bit ABI's the float_argreg is further adjusted + above to ensure that it is even register aligned. */ CORE_ADDR regval = extract_address (val, len); write_register (float_argreg++, regval); if (!MIPS_EABI) { + /* CAGNEY: 32 bit MIPS ABI's always reserve two FP + registers for each argument. The below is (my + guess) to ensure that the corresponding integer + register has reserved the same space. */ write_register (argreg, regval); argreg += FP_REGISTER_DOUBLE ? 1 : 2; } |