https://sourceware.org/bugzilla/show_bug.cgi?id=31142
Bug ID: 31142
Summary: riscv pass_by_flattened_arg not implemented
Product: elfutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: backends
Assignee: unassigned at sourceware dot org
Reporter: mark at klomp dot org
CC: elfutils-devel at sourceware dot org
Target Milestone: ---
dwfl_module_return_value_location will fail for functions that return a struct
because that need pass_by_flattened_arg in backends/riscv_retval.c which is
currently:
static int
pass_by_flattened_arg (const Dwarf_Op **locp __attribute__ ((unused)),
Dwarf_Word size __attribute__ ((unused)),
Dwarf_Die *arg0 __attribute__ ((unused)),
Dwarf_Die *arg1 __attribute__ ((unused)))
{
/* ??? */
return -2;
}
This happens for example with the glibc div function which returns:
typedef struct
{
int quot; /* Quotient. */
int rem; /* Remainder. */
} div_t;
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