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Diffstat (limited to 'gdb/dwarf2cfi.c')
-rw-r--r--gdb/dwarf2cfi.c69
1 files changed, 40 insertions, 29 deletions
diff --git a/gdb/dwarf2cfi.c b/gdb/dwarf2cfi.c
index c928855..618bede 100644
--- a/gdb/dwarf2cfi.c
+++ b/gdb/dwarf2cfi.c
@@ -199,7 +199,7 @@ static LONGEST read_sleb128 (bfd *abfd, char **p);
static CORE_ADDR read_pointer (bfd *abfd, char **p);
static CORE_ADDR read_encoded_pointer (bfd *abfd, char **p,
unsigned char encoding);
-static enum ptr_encoding pointer_encoding (unsigned char encoding);
+static enum ptr_encoding pointer_encoding (unsigned char encoding, struct objfile *objfile);
static LONGEST read_initial_length (bfd *abfd, char *buf, int *bytes_read);
static ULONGEST read_length (bfd *abfd, char *buf, int *bytes_read,
@@ -462,7 +462,8 @@ read_pointer (bfd *abfd, char **p)
case 8:
return read_8u (abfd, p);
default:
- error ("dwarf cfi error: unsupported target address length.");
+ error ("dwarf cfi error: unsupported target address length [in module %s]",
+ bfd_get_filename (abfd));
}
}
@@ -509,7 +510,8 @@ read_encoded_pointer (bfd *abfd, char **p, unsigned char encoding)
default:
internal_error (__FILE__, __LINE__,
- "read_encoded_pointer: unknown pointer encoding");
+ "read_encoded_pointer: unknown pointer encoding [in module %s]",
+ bfd_get_filename (abfd));
}
return ret;
@@ -520,12 +522,13 @@ read_encoded_pointer (bfd *abfd, char **p, unsigned char encoding)
- encoding & 0x70 : type (absolute, relative, ...)
- encoding & 0x80 : indirect flag (DW_EH_PE_indirect == 0x80). */
enum ptr_encoding
-pointer_encoding (unsigned char encoding)
+pointer_encoding (unsigned char encoding, struct objfile *objfile)
{
int ret;
if (encoding & DW_EH_PE_indirect)
- warning ("CFI: Unsupported pointer encoding: DW_EH_PE_indirect");
+ warning ("CFI: Unsupported pointer encoding: DW_EH_PE_indirect [in module %s]",
+ objfile->name);
switch (encoding & 0x70)
{
@@ -537,7 +540,8 @@ pointer_encoding (unsigned char encoding)
ret = encoding & 0x70;
break;
default:
- internal_error (__FILE__, __LINE__, "CFI: unknown pointer encoding");
+ internal_error (__FILE__, __LINE__, "CFI: unknown pointer encoding [in module %s]",
+ objfile->name);
}
return ret;
}
@@ -614,8 +618,9 @@ execute_cfa_program (struct objfile *objfile, char *insn_ptr, char *insn_end,
fs->pc = read_encoded_pointer (objfile->obfd, &insn_ptr,
fs->addr_encoding);
- if (pointer_encoding (fs->addr_encoding) != PE_absptr)
- warning ("CFI: DW_CFA_set_loc uses relative addressing");
+ if (pointer_encoding (fs->addr_encoding, objfile) != PE_absptr)
+ warning ("CFI: DW_CFA_set_loc uses relative addressing [in module %s]",
+ objfile->name);
break;
@@ -764,7 +769,8 @@ execute_cfa_program (struct objfile *objfile, char *insn_ptr, char *insn_end,
break;
default:
- error ("dwarf cfi error: unknown cfa instruction %d.", insn);
+ error ("dwarf cfi error: unknown cfa instruction %d [in module %s]", insn,
+ objfile->name);
}
}
}
@@ -1027,25 +1033,25 @@ execute_stack_op (struct objfile *objfile,
case DW_OP_dup:
if (stack_elt < 1)
- internal_error (__FILE__, __LINE__, "execute_stack_op error");
+ internal_error (__FILE__, __LINE__, "execute_stack_op error [in module %s]", objfile->name);
result = stack[stack_elt - 1];
break;
case DW_OP_drop:
if (--stack_elt < 0)
- internal_error (__FILE__, __LINE__, "execute_stack_op error");
+ internal_error (__FILE__, __LINE__, "execute_stack_op error [in module %s]", objfile->name);
goto no_push;
case DW_OP_pick:
offset = *op_ptr++;
if (offset >= stack_elt - 1)
- internal_error (__FILE__, __LINE__, "execute_stack_op error");
+ internal_error (__FILE__, __LINE__, "execute_stack_op error [in module %s]", objfile->name);
result = stack[stack_elt - 1 - offset];
break;
case DW_OP_over:
if (stack_elt < 2)
- internal_error (__FILE__, __LINE__, "execute_stack_op error");
+ internal_error (__FILE__, __LINE__, "execute_stack_op error [in module %s]", objfile->name);
result = stack[stack_elt - 2];
break;
@@ -1054,7 +1060,7 @@ execute_stack_op (struct objfile *objfile,
CORE_ADDR t1, t2, t3;
if (stack_elt < 3)
- internal_error (__FILE__, __LINE__, "execute_stack_op error");
+ internal_error (__FILE__, __LINE__, "execute_stack_op error [in module %s]", objfile->name);
t1 = stack[stack_elt - 1];
t2 = stack[stack_elt - 2];
t3 = stack[stack_elt - 3];
@@ -1072,7 +1078,7 @@ execute_stack_op (struct objfile *objfile,
case DW_OP_plus_uconst:
/* Unary operations. */
if (--stack_elt < 0)
- internal_error (__FILE__, __LINE__, "execute_stack_op error");
+ internal_error (__FILE__, __LINE__, "execute_stack_op error [in module %s]", objfile->name);
result = stack[stack_elt];
switch (op)
@@ -1082,7 +1088,7 @@ execute_stack_op (struct objfile *objfile,
int len = TARGET_ADDR_BIT / TARGET_CHAR_BIT;
if (len != 4 && len != 8)
internal_error (__FILE__, __LINE__,
- "execute_stack_op error");
+ "execute_stack_op error [in module %s]", objfile->name);
result = read_memory_unsigned_integer (result, len);
}
break;
@@ -1092,7 +1098,7 @@ execute_stack_op (struct objfile *objfile,
int len = *op_ptr++;
if (len != 1 && len != 2 && len != 4 && len != 8)
internal_error (__FILE__, __LINE__,
- "execute_stack_op error");
+ "execute_stack_op error [in module %s]", objfile->name);
result = read_memory_unsigned_integer (result, len);
}
break;
@@ -1132,7 +1138,7 @@ execute_stack_op (struct objfile *objfile,
/* Binary operations. */
CORE_ADDR first, second;
if ((stack_elt -= 2) < 0)
- internal_error (__FILE__, __LINE__, "execute_stack_op error");
+ internal_error (__FILE__, __LINE__, "execute_stack_op error [in module %s]", objfile->name);
second = stack[stack_elt];
first = stack[stack_elt + 1];
@@ -1190,7 +1196,7 @@ execute_stack_op (struct objfile *objfile,
result = (LONGEST) first != (LONGEST) second;
break;
default:
- error ("execute_stack_op: Unknown DW_OP_ value");
+ error ("execute_stack_op: Unknown DW_OP_ value [in module %s]", objfile->name);
break;
}
}
@@ -1203,7 +1209,7 @@ execute_stack_op (struct objfile *objfile,
case DW_OP_bra:
if (--stack_elt < 0)
- internal_error (__FILE__, __LINE__, "execute_stack_op error");
+ internal_error (__FILE__, __LINE__, "execute_stack_op error [in module %s]", objfile->name);
offset = read_2s (objfile->obfd, &op_ptr);
if (stack[stack_elt] != 0)
op_ptr += offset;
@@ -1213,12 +1219,12 @@ execute_stack_op (struct objfile *objfile,
goto no_push;
default:
- internal_error (__FILE__, __LINE__, "execute_stack_op error");
+ internal_error (__FILE__, __LINE__, "execute_stack_op error [in module %s]", objfile->name);
}
/* Most things push a result value. */
if ((size_t) stack_elt >= sizeof (stack) / sizeof (*stack))
- internal_error (__FILE__, __LINE__, "execute_stack_op error");
+ internal_error (__FILE__, __LINE__, "execute_stack_op error [in module %s]", objfile->name);
stack[++stack_elt] = result;
no_push:;
}
@@ -1226,7 +1232,7 @@ execute_stack_op (struct objfile *objfile,
/* We were executing this program to get a value. It should be
at top of stack. */
if (--stack_elt < 0)
- internal_error (__FILE__, __LINE__, "execute_stack_op error");
+ internal_error (__FILE__, __LINE__, "execute_stack_op error [in module %s]", objfile->name);
return stack[stack_elt];
}
@@ -1311,7 +1317,8 @@ update_context (struct context *context, struct frame_state *fs, int chain)
orig_context->reg[fs->regs.reg[i].loc.reg].loc.addr;
break;
default:
- internal_error (__FILE__, __LINE__, "bad switch");
+ internal_error (__FILE__, __LINE__, "bad switch 0x%02X",
+ orig_context->reg[fs->regs.reg[i].loc.reg].how);
}
break;
case REG_SAVED_EXP:
@@ -1328,7 +1335,8 @@ update_context (struct context *context, struct frame_state *fs, int chain)
}
break;
default:
- internal_error (__FILE__, __LINE__, "bad switch");
+ internal_error (__FILE__, __LINE__, "bad switch 0x%02X",
+ fs->regs.reg[i].how);
}
get_reg ((char *) &context->ra, context, fs->retaddr_column);
unwind_tmp_obstack_free ();
@@ -1540,13 +1548,14 @@ parse_frame_info (struct objfile *objfile, file_ptr frame_offset,
cie = cie->next;
}
if (!cie)
- error ("CFI: can't find CIE pointer");
+ error ("CFI: can't find CIE pointer [in module %s]",
+ bfd_get_filename (abfd));
}
init_loc = read_encoded_pointer (abfd, &start,
cie->addr_encoding);
- switch (pointer_encoding (cie->addr_encoding))
+ switch (pointer_encoding (cie->addr_encoding, objfile))
{
case PE_absptr:
break;
@@ -1556,7 +1565,8 @@ parse_frame_info (struct objfile *objfile, file_ptr frame_offset,
init_loc += curr_section_vma + start - frame_buffer;
break;
default:
- warning ("CFI: Unsupported pointer encoding\n");
+ warning ("CFI: Unsupported pointer encoding [in module %s]",
+ bfd_get_filename (abfd));
}
/* For relocatable objects we must add an offset telling
@@ -1890,7 +1900,8 @@ cfi_get_saved_register (char *raw_buffer,
break;
default:
internal_error (__FILE__, __LINE__,
- "cfi_get_saved_register: unknown register rule");
+ "cfi_get_saved_register: unknown register rule 0x%02X",
+ UNWIND_CONTEXT (frame)->reg[regnum].how);
}
}
}
generated by cgit v1.1 at 2024-12-12 21:05:47 +0000