diff options
Diffstat (limited to 'gdb/dwarf2loc.c')
-rw-r--r-- | gdb/dwarf2loc.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c index fbaa7d3..bbe4568 100644 --- a/gdb/dwarf2loc.c +++ b/gdb/dwarf2loc.c @@ -3282,8 +3282,34 @@ dwarf2_compile_expr_to_ax (struct agent_expr *expr, struct axs_value *loc, break; case DW_OP_call_frame_cfa: - dwarf2_compile_cfa_to_ax (expr, loc, arch, expr->scope, per_cu); - loc->kind = axs_lvalue_memory; + { + int regnum; + CORE_ADDR text_offset; + LONGEST off; + const gdb_byte *cfa_start, *cfa_end; + + if (dwarf2_fetch_cfa_info (arch, expr->scope, per_cu, + ®num, &off, + &text_offset, &cfa_start, &cfa_end)) + { + /* Register. */ + ax_reg (expr, regnum); + if (off != 0) + { + ax_const_l (expr, off); + ax_simple (expr, aop_add); + } + } + else + { + /* Another expression. */ + ax_const_l (expr, text_offset); + dwarf2_compile_expr_to_ax (expr, loc, arch, addr_size, + cfa_start, cfa_end, per_cu); + } + + loc->kind = axs_lvalue_memory; + } break; case DW_OP_GNU_push_tls_address: |