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| author | Mark Kettenis <kettenis@gnu.org> | 2012-04-08 05:42:50 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@gnu.org> | 2012-04-08 05:42:50 +0000 |
| commit | 957f392c496f428d10ab1bc21602f89938acf80d (patch) | |
| tree | 67432774478b4b009884538b13d76790b013aaac /gdb/sparc64-tdep.c | |
| parent | 7ae28ed1ba37f8eb0df8a2aa3c2b79d06efc531f (diff) | |
| download | gdb-957f392c496f428d10ab1bc21602f89938acf80d.tar.gz | |
* 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.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/gdb/sparc64-tdep.c b/gdb/sparc64-tdep.c index 327eefe3bca..62f168d6ace 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++) |