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* sparc64-tdep.c (sparc64_store_arguments): Fix handling of

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complex floats, adjust some related comments and tighten a related
assertion.
(sparc64_extract_return_value): Handle complex floats.
This commit is contained in:
Mark Kettenis 2012-04-08 05:42:53 +00:00
parent 0428998ead
commit cdc7b32f78
2 changed files with 15 additions and 7 deletions
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7
gdb/ChangeLog
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@ -1,3 +1,10 @@
2012-04-07 Mark Kettenis <kettenis@gnu.org>
* sparc64-tdep.c (sparc64_store_arguments): Fix handling of
complex floats, adjust some related comments and tighten a related
assertion.
(sparc64_extract_return_value): Handle complex floats.
2012-04-07 Doug Evans <dje@google.com>
* dwarf2read.c (load_partial_dies): Change condition to assert.

15
gdb/sparc64-tdep.c
View File

@ -785,7 +785,8 @@ sparc64_store_arguments (struct regcache *regcache, int nargs,
struct type *type = value_type (args[i]);
int len = TYPE_LENGTH (type);
if (sparc64_structure_or_union_p (type))
if (sparc64_structure_or_union_p (type) ||
(sparc64_complex_floating_p (type) && len == 32))
{
/* Structure or Union arguments. */
if (len <= 16)
@ -816,10 +817,9 @@ sparc64_store_arguments (struct regcache *regcache, int nargs,
num_elements++;
}
}
else if (sparc64_floating_p (type))
else if (sparc64_floating_p (type) || sparc64_complex_floating_p (type))
{
/* Floating arguments. */
if (len == 16)
{
/* The psABI says that "Each quad-precision parameter
@ -887,7 +887,8 @@ sparc64_store_arguments (struct regcache *regcache, int nargs,
int regnum = -1;
gdb_byte buf[16];
if (sparc64_structure_or_union_p (type))
if (sparc64_structure_or_union_p (type) ||
(sparc64_complex_floating_p (type) && len == 32))
{
/* Structure or Union arguments. */
gdb_assert (len <= 16);
@ -927,7 +928,7 @@ sparc64_store_arguments (struct regcache *regcache, int nargs,
/* The psABI says "Each single-precision parameter value
will be assigned to one extended word in the
parameter array, and right-justified within that
word; the left half (even floatregister) is
word; the left half (even float register) is
undefined." Even though the psABI says that "the
left half is undefined", set it to zero here. */
memset (buf, 0, 4);
@ -960,7 +961,7 @@ sparc64_store_arguments (struct regcache *regcache, int nargs,
}
else if (regnum >= SPARC64_Q0_REGNUM && regnum <= SPARC64_Q8_REGNUM)
{
gdb_assert (element < 6);
gdb_assert (element < 5);
regnum = SPARC_O0_REGNUM + element;
regcache_cooked_write (regcache, regnum, valbuf);
regcache_cooked_write (regcache, regnum + 1, valbuf + 8);
@ -1034,7 +1035,7 @@ sparc64_extract_return_value (struct type *type, struct regcache *regcache,
sparc64_extract_floating_fields (regcache, type, buf, 0);
memcpy (valbuf, buf, len);
}
else if (sparc64_floating_p (type))
else if (sparc64_floating_p (type) || sparc64_complex_floating_p (type))
{
/* Floating return values. */
for (i = 0; i < len / 4; i++)