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binutils-gdb
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Luis Machado <luisgpm@br.ibm.com> 

Thiago Jung Bauermann  <bauerman@br.ibm.com>

* ppc-sysv-tdep.c (ppc_sysv_abi_push_dummy_call): Pass floats that
don't fit into registerson the stack the way GCC does.
This commit is contained in:
Mark Kettenis 2008-02-02 00:07:57 +00:00
parent 3709d2edc8
commit f964a7562a
2 changed files with 20 additions and 9 deletions
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7
gdb/ChangeLog
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@ -1,3 +1,10 @@
2008-02-02 Mark Kettenis <kettenis@gnu.org>
Luis Machado <luisgpm@br.ibm.com>
Thiago Jung Bauermann <bauerman@br.ibm.com>
* ppc-sysv-tdep.c (ppc_sysv_abi_push_dummy_call): Pass floats that
don't fit into registerson the stack the way GCC does.
2008-02-01 Joel Brobecker <brobecker@adacore.com>
* symtab.c (symbol_set_names): Do not add an entry in the demangling

22
gdb/ppc-sysv-tdep.c
View File

@ -129,17 +129,21 @@ ppc_sysv_abi_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
}
else
{
/* SysV ABI converts floats to doubles before
writing them to an 8 byte aligned stack location. */
argoffset = align_up (argoffset, 8);
/* The SysV ABI tells us to convert floats to
doubles before writing them to an 8 byte aligned
stack location. Unfortunately GCC does not do
that, and stores floats into 4 byte aligned
locations without converting them to doubles.
Since there is no know compiler that actually
follows the ABI here, we implement the GCC
convention. */
/* Align to 4 bytes or 8 bytes depending on the type of
the argument (float or double). */
argoffset = align_up (argoffset, len);
if (write_pass)
{
char memval[8];
convert_typed_floating (val, type, memval,
builtin_type_ieee_double);
write_memory (sp + argoffset, val, len);
}
argoffset += 8;
argoffset += len;
}
}
else if (TYPE_CODE (type) == TYPE_CODE_FLT