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authorYao Qi <yao@codesourcery.com>2012-06-08 14:24:57 +0000
committerYao Qi <yao@codesourcery.com>2012-06-08 14:24:57 +0000
commit18648a37491f7c0a459750048611bd2e83aa54bf (patch)
tree4a5d0b3c65985e5982b2cbff9c4cc0a27940014e /gdb/gdbarch.h
parent16bdd41fc61515376a944d7e81b7adcb126bcb4e (diff)
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* arch-utils.c (default_return_in_first_hidden_param_p): New. * arch-utils.h: Declare. * gdbarch.sh: Add return_in_first_hidden_param_p. * gdbarch.c, gdbarch.h: Regenerated. * infcall.c (call_function_by_hand): Call gdbarch_return_in_first_hidden_param_p instead of language_pass_by_reference. * m68k-tdep.c (m68k_return_in_first_hidden_param_p): New. (m68k_gdbarch_init): Install m68k_return_in_first_hidden_param_p. * sh-tdep.c (sh_return_in_first_hidden_param_p): New. (sh_gdbarch_init): Install sh_return_in_first_hidden_param_p. * tic6x-tdep.c (tic6x_push_dummy_call): Remove local variable `cplus_return_struct_by_reference'. (tic6x_return_value): Handle language cplusplus. (tic6x_return_in_first_hidden_param_p): New. (tic6x_gdbarch_init): Install tic6x_return_in_first_hidden_param_p.
Diffstat (limited to 'gdb/gdbarch.h')
-rw-r--r--gdb/gdbarch.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h
index a82e8bb..a239aa4 100644
--- a/gdb/gdbarch.h
+++ b/gdb/gdbarch.h
@@ -457,6 +457,16 @@ typedef enum return_value_convention (gdbarch_return_value_ftype) (struct gdbarc
extern enum return_value_convention gdbarch_return_value (struct gdbarch *gdbarch, struct value *function, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf);
extern void set_gdbarch_return_value (struct gdbarch *gdbarch, gdbarch_return_value_ftype *return_value);
+/* Return true if the return value of function is stored in the first hidden
+ parameter. In theory, this feature should be language-dependent, specified
+ by language and its ABI, such as C++. Unfortunately, compiler may
+ implement it to a target-dependent feature. So that we need such hook here
+ to be aware of this in GDB. */
+
+typedef int (gdbarch_return_in_first_hidden_param_p_ftype) (struct gdbarch *gdbarch, struct type *type);
+extern int gdbarch_return_in_first_hidden_param_p (struct gdbarch *gdbarch, struct type *type);
+extern void set_gdbarch_return_in_first_hidden_param_p (struct gdbarch *gdbarch, gdbarch_return_in_first_hidden_param_p_ftype *return_in_first_hidden_param_p);
+
typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip);
extern CORE_ADDR gdbarch_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip);
extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue);