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Diffstat (limited to 'gdb/dwarf2-frame.c')
-rw-r--r--gdb/dwarf2-frame.c40
1 files changed, 19 insertions, 21 deletions
diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c
index 8747f4c..199ccea 100644
--- a/gdb/dwarf2-frame.c
+++ b/gdb/dwarf2-frame.c
@@ -882,11 +882,15 @@ dwarf2_frame_find_quirks (struct dwarf2_frame_state *fs,
}
-void
-dwarf2_compile_cfa_to_ax (struct agent_expr *expr, struct axs_value *loc,
- struct gdbarch *gdbarch,
- CORE_ADDR pc,
- struct dwarf2_per_cu_data *data)
+/* See dwarf2-frame.h. */
+
+int
+dwarf2_fetch_cfa_info (struct gdbarch *gdbarch, CORE_ADDR pc,
+ struct dwarf2_per_cu_data *data,
+ int *regnum_out, LONGEST *offset_out,
+ CORE_ADDR *text_offset_out,
+ const gdb_byte **cfa_start_out,
+ const gdb_byte **cfa_end_out)
{
struct dwarf2_fde *fde;
CORE_ADDR text_offset;
@@ -932,26 +936,20 @@ dwarf2_compile_cfa_to_ax (struct agent_expr *expr, struct axs_value *loc,
if (regnum == -1)
error (_("Unable to access DWARF register number %d"),
(int) fs.regs.cfa_reg); /* FIXME */
- ax_reg (expr, regnum);
- if (fs.regs.cfa_offset != 0)
- {
- if (fs.armcc_cfa_offsets_reversed)
- ax_const_l (expr, -fs.regs.cfa_offset);
- else
- ax_const_l (expr, fs.regs.cfa_offset);
- ax_simple (expr, aop_add);
- }
+ *regnum_out = regnum;
+ if (fs.armcc_cfa_offsets_reversed)
+ *offset_out = -fs.regs.cfa_offset;
+ else
+ *offset_out = fs.regs.cfa_offset;
+ return 1;
}
- break;
case CFA_EXP:
- ax_const_l (expr, text_offset);
- dwarf2_compile_expr_to_ax (expr, loc, gdbarch, addr_size,
- fs.regs.cfa_exp,
- fs.regs.cfa_exp + fs.regs.cfa_exp_len,
- data);
- break;
+ *text_offset_out = text_offset;
+ *cfa_start_out = fs.regs.cfa_exp;
+ *cfa_end_out = fs.regs.cfa_exp + fs.regs.cfa_exp_len;
+ return 0;
default:
internal_error (__FILE__, __LINE__, _("Unknown CFA rule."));