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authorMichael Snyder <msnyder@vmware.com>2002-08-07 18:17:26 +0000
committerMichael Snyder <msnyder@vmware.com>2002-08-07 18:17:26 +0000
commit8b389c40fea3e5a51bc8f86eec29140de3d4d31a (patch)
tree95b78c68b5dcfc002ad92563c9fddebf0f4d7022 /gdb
parent5c27f28ad0349fdd0183f029766db7097280635c (diff)
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2002-08-06 Michael Snyder <msnyder@redhat.com>
* mips-tdep.c: gdbarch-ify reg_struct_has_addr. (mips_eabi_reg_struct_has_addr, mips_n32n64_reg_struct_has_addr, mips_o32_reg_struct_has_addr): New functions. (mips_gdbarch_init): Set gdbarch reg_struct_has_addr.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/ChangeLog7
-rw-r--r--gdb/mips-tdep.c40
2 files changed, 47 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index a9ead69..b028a07 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,10 @@
+2002-08-06 Michael Snyder <msnyder@redhat.com>
+
+ * mips-tdep.c: gdbarch-ify reg_struct_has_addr.
+ (mips_eabi_reg_struct_has_addr, mips_n32n64_reg_struct_has_addr,
+ mips_o32_reg_struct_has_addr): New functions.
+ (mips_gdbarch_init): Set gdbarch reg_struct_has_addr.
+
2002-08-07 Andrew Cagney <ac131313@redhat.com>
* regcache.c (pseudo_register): Delete function.
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c
index ffe327d..fc1bb14 100644
--- a/gdb/mips-tdep.c
+++ b/gdb/mips-tdep.c
@@ -573,6 +573,34 @@ mips_use_struct_convention (int gcc_p, struct type *type)
return 1; /* Structures are returned by ref in extra arg0 */
}
+/* Should call_function pass struct by reference?
+ For each architecture, structs are passed either by
+ value or by reference, depending on their size. */
+
+static int
+mips_eabi_reg_struct_has_addr (int gcc_p, struct type *type)
+{
+ enum type_code typecode = TYPE_CODE (check_typedef (type));
+ int len = TYPE_LENGTH (check_typedef (type));
+
+ if (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION)
+ return (len > MIPS_SAVED_REGSIZE);
+
+ return 0;
+}
+
+static int
+mips_n32n64_reg_struct_has_addr (int gcc_p, struct type *type)
+{
+ return 0; /* Assumption: N32/N64 never passes struct by ref. */
+}
+
+int
+mips_o32_reg_struct_has_addr (int gcc_p, struct type *type)
+{
+ return 0; /* Assumption: O32/O64 never passes struct by ref. */
+}
+
/* Tell if the program counter value in MEMADDR is in a MIPS16 function. */
static int
@@ -4489,6 +4517,8 @@ mips_gdbarch_init (struct gdbarch_info info,
set_gdbarch_long_bit (gdbarch, 32);
set_gdbarch_ptr_bit (gdbarch, 32);
set_gdbarch_long_long_bit (gdbarch, 64);
+ set_gdbarch_reg_struct_has_addr (gdbarch,
+ mips_o32_reg_struct_has_addr);
break;
case MIPS_ABI_O64:
tdep->mips_default_saved_regsize = 8;
@@ -4502,6 +4532,8 @@ mips_gdbarch_init (struct gdbarch_info info,
set_gdbarch_long_bit (gdbarch, 32);
set_gdbarch_ptr_bit (gdbarch, 32);
set_gdbarch_long_long_bit (gdbarch, 64);
+ set_gdbarch_reg_struct_has_addr (gdbarch,
+ mips_o32_reg_struct_has_addr);
break;
case MIPS_ABI_EABI32:
tdep->mips_default_saved_regsize = 4;
@@ -4515,6 +4547,8 @@ mips_gdbarch_init (struct gdbarch_info info,
set_gdbarch_long_bit (gdbarch, 32);
set_gdbarch_ptr_bit (gdbarch, 32);
set_gdbarch_long_long_bit (gdbarch, 64);
+ set_gdbarch_reg_struct_has_addr (gdbarch,
+ mips_eabi_reg_struct_has_addr);
break;
case MIPS_ABI_EABI64:
tdep->mips_default_saved_regsize = 8;
@@ -4528,6 +4562,8 @@ mips_gdbarch_init (struct gdbarch_info info,
set_gdbarch_long_bit (gdbarch, 64);
set_gdbarch_ptr_bit (gdbarch, 64);
set_gdbarch_long_long_bit (gdbarch, 64);
+ set_gdbarch_reg_struct_has_addr (gdbarch,
+ mips_eabi_reg_struct_has_addr);
break;
case MIPS_ABI_N32:
tdep->mips_default_saved_regsize = 8;
@@ -4552,6 +4588,8 @@ mips_gdbarch_init (struct gdbarch_info info,
tm_print_insn_info.mach = info.bfd_arch_info->mach;
else
tm_print_insn_info.mach = bfd_mach_mips8000;
+ set_gdbarch_reg_struct_has_addr (gdbarch,
+ mips_n32n64_reg_struct_has_addr);
break;
case MIPS_ABI_N64:
tdep->mips_default_saved_regsize = 8;
@@ -4576,6 +4614,8 @@ mips_gdbarch_init (struct gdbarch_info info,
tm_print_insn_info.mach = info.bfd_arch_info->mach;
else
tm_print_insn_info.mach = bfd_mach_mips8000;
+ set_gdbarch_reg_struct_has_addr (gdbarch,
+ mips_n32n64_reg_struct_has_addr);
break;
default:
internal_error (__FILE__, __LINE__,