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authorMark Kettenis <kettenis@gnu.org>2012-04-08 05:42:53 +0000
committerMark Kettenis <kettenis@gnu.org>2012-04-08 05:42:53 +0000
commitcdc7b32f787c43a4059d8e976690a0a7b05ccfc4 (patch)
treed1c6141207131ef281abb8b0c6c02b5728c7d54d /gdb/sparc64-tdep.c
parent0428998eadabe72566b03b5a4094f24c19f449b2 (diff)
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* 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.
Diffstat (limited to 'gdb/sparc64-tdep.c')
-rw-r--r--gdb/sparc64-tdep.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/gdb/sparc64-tdep.c b/gdb/sparc64-tdep.c
index 327eefe..62f168d 100644
--- a/gdb/sparc64-tdep.c
+++ b/gdb/sparc64-tdep.c
@@ -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++)