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2005-01-25 Andrew Cagney <cagney@gnu.org> 

* ppc-linux-tdep.c (ppc_linux_init_abi): Always set
        long_double_bit to 8.
This commit is contained in:
Andrew Cagney 2005-01-25 22:06:59 +00:00
parent 90219bd0f3
commit 0598a43c3b
2 changed files with 15 additions and 9 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2005-01-25 Andrew Cagney <cagney@gnu.org>
* ppc-linux-tdep.c (ppc_linux_init_abi): Always set
long_double_bit to 8.
2005-01-24 Andrew Cagney <cagney@gnu.org>
* infrun.c (handle_inferior_event): Handle back-to-back and nested

19
gdb/ppc-linux-tdep.c
View File

@ -1025,17 +1025,18 @@ ppc_linux_init_abi (struct gdbarch_info info,
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* NOTE: jimb/2004-03-26: The System V ABI PowerPC Processor
Supplement says that long doubles are sixteen bytes long.
However, as one of the known warts of its ABI, PPC GNU/Linux uses
eight-byte long doubles. GCC only recently got 128-bit long
double support on PPC, so it may be changing soon. The
Linux[sic] Standards Base says that programs that use 'long
double' on PPC GNU/Linux are non-conformant. */
/* NOTE: cagney/2005-01-25: True for both 32- and 64-bit. */
set_gdbarch_long_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
if (tdep->wordsize == 4)
{
/* NOTE: jimb/2004-03-26: The System V ABI PowerPC Processor
Supplement says that long doubles are sixteen bytes long.
However, as one of the known warts of its ABI, PPC GNU/Linux
uses eight-byte long doubles. GCC only recently got 128-bit
long double support on PPC, so it may be changing soon. The
Linux[sic] Standards Base says that programs that use 'long
double' on PPC GNU/Linux are non-conformant. */
set_gdbarch_long_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
/* Until November 2001, gcc did not comply with the 32 bit SysV
R4 ABI requirement that structures less than or equal to 8
bytes should be returned in registers. Instead GCC was using