/* readelf.c -- display contents of an ELF format file
- Copyright (C) 1998-2019 Free Software Foundation, Inc.
+ Copyright (C) 1998-2020 Free Software Foundation, Inc.
Originally developed by Eric Youngdale <eric@andante.jic.com>
Modifications by Nick Clifton <nickc@redhat.com>
#include "elf/xgate.h"
#include "elf/xstormy16.h"
#include "elf/xtensa.h"
+#include "elf/z80.h"
#include "getopt.h"
#include "libiberty.h"
#define DEBUG_DUMP (1 << 2) /* The -w command line switch. */
#define STRING_DUMP (1 << 3) /* The -p command line switch. */
#define RELOC_DUMP (1 << 4) /* The -R command line switch. */
-#define CTF_DUMP (1 << 5) /* The --ctf command line switch. */
+#define CTF_DUMP (1 << 5) /* The --ctf command line switch. */
typedef unsigned char dump_type;
return find_section (filedata, name);
}
-/* Read an unsigned LEB128 encoded value from DATA.
- Set *LENGTH_RETURN to the number of bytes read. */
-
-static inline unsigned long
-read_uleb128 (unsigned char * data,
- unsigned int * length_return,
- const unsigned char * const end)
-{
- return read_leb128 (data, length_return, FALSE, end);
-}
-
/* Return TRUE if the current file is for IA-64 machine and OpenVMS ABI.
This OS has so many departures from the ELF standard that we test it at
many places. */
else
rtype = elf_nfp_reloc_type (type);
break;
+
+ case EM_Z80:
+ rtype = elf_z80_reloc_type (type);
+ break;
}
if (rtype == NULL)
if (e_flags & ~ EF_MSP430_MACH)
strcat (buf, _(": unknown extra flag bits also present"));
+ break;
+
+ case EM_Z80:
+ switch (e_flags & EF_Z80_MACH_MSK)
+ {
+ case EF_Z80_MACH_Z80: strcat (buf, ", Z80"); break;
+ case EF_Z80_MACH_Z180: strcat (buf, ", Z180"); break;
+ case EF_Z80_MACH_R800: strcat (buf, ", R800"); break;
+ case EF_Z80_MACH_EZ80_Z80: strcat (buf, ", EZ80"); break;
+ case EF_Z80_MACH_EZ80_ADL: strcat (buf, ", EZ80, ADL"); break;
+ case EF_Z80_MACH_GBZ80: strcat (buf, ", GBZ80"); break;
+ default:
+ strcat (buf, _(", unknown")); break;
+ }
+ break;
}
}
{"dwarf-start", required_argument, 0, OPTION_DWARF_START},
{"dwarf-check", no_argument, 0, OPTION_DWARF_CHECK},
- {"ctf", required_argument, 0, OPTION_CTF_DUMP},
+ {"ctf", required_argument, 0, OPTION_CTF_DUMP},
{"ctf-symbols", required_argument, 0, OPTION_CTF_SYMBOLS},
{"ctf-strings", required_argument, 0, OPTION_CTF_STRINGS},
return FALSE;
}
- init_dwarf_regnames (header->e_machine);
+ init_dwarf_regnames_by_elf_machine_code (header->e_machine);
if (do_header)
{
unsigned int j;
for (j = 1; j < filedata->file_header.e_phnum; j++)
- if (filedata->program_headers[j].p_vaddr <= segment->p_vaddr
- && (filedata->program_headers[j].p_vaddr
- + filedata->program_headers[j].p_memsz)
- >= (segment->p_vaddr + segment->p_filesz))
- break;
+ {
+ Elf_Internal_Phdr *load = filedata->program_headers + j;
+ if (load->p_type == PT_LOAD
+ && load->p_offset <= segment->p_offset
+ && (load->p_offset + load->p_filesz
+ >= segment->p_offset + segment->p_filesz)
+ && load->p_vaddr <= segment->p_vaddr
+ && (load->p_vaddr + load->p_filesz
+ >= segment->p_vaddr + segment->p_filesz))
+ break;
+ }
if (j == filedata->file_header.e_phnum)
error (_("the PHDR segment is not covered by a LOAD segment\n"));
}
}
else
{
- offset = read_uleb128 (buf, &len, buf + i + 1);
+ offset = read_leb128 (buf, buf + i + 1, FALSE, &len, NULL);
assert (len == i + 1);
offset = offset * 4 + 0x204;
printf ("vsp = vsp + %ld", offset);
return FALSE;
}
- offset = read_uleb128 (buf, &len, buf + i + 1);
+ offset = read_leb128 (buf, buf + i + 1, FALSE, &len, NULL);
assert (len == i + 1);
offset = offset * 8 + 0x408;
printf (_("sp = sp + %ld"), offset);
return TRUE;
}
-#define IN_RANGE(START,END,ADDR,OFF) \
- (((ADDR) >= (START)) && ((ADDR) + (OFF) < (END)))
+/* A macro which evaluates to TRUE if the region ADDR .. ADDR + NELEM
+ is contained by the region START .. END. The types of ADDR, START
+ and END should all be the same. Note both ADDR + NELEM and END
+ point to just beyond the end of the regions that are being tested. */
+#define IN_RANGE(START,END,ADDR,NELEM) \
+ (((ADDR) >= (START)) && ((ADDR) < (END)) && ((ADDR) + (NELEM) <= (END)))
/* Check to see if the given reloc needs to be handled in a target specific
manner. If so then process the reloc and return TRUE otherwise return
case EM_XTENSA_OLD:
case EM_XTENSA:
return reloc_type == 1; /* R_XTENSA_32. */
+ case EM_Z80:
+ return reloc_type == 6; /* R_Z80_32. */
default:
{
static unsigned int prev_warn = 0;
return reloc_type == 4; /* R_MN10200_24. */
case EM_FT32:
return reloc_type == 5; /* R_FT32_20. */
+ case EM_Z80:
+ return reloc_type == 5; /* R_Z80_24. */
default:
return FALSE;
}
return reloc_type == 2; /* R_XC16C_ABS_16. */
case EM_XGATE:
return reloc_type == 3; /* R_XGATE_16. */
+ case EM_Z80:
+ return reloc_type == 4; /* R_Z80_16. */
default:
return FALSE;
}
{
case EM_RISCV:
return reloc_type == 54; /* R_RISCV_SET8. */
+ case EM_Z80:
+ return reloc_type == 1; /* R_Z80_8. */
default:
return FALSE;
}
case EM_TI_C6000:/* R_C6000_NONE. */
case EM_X86_64: /* R_X86_64_NONE. */
case EM_XC16X:
+ case EM_Z80: /* R_Z80_NONE. */
case EM_WEBASSEMBLY: /* R_WASM32_NONE. */
return reloc_type == 0;
}
rloc = start + rp->r_offset;
- if (rloc >= end || (rloc + reloc_size) > end || (rloc < start))
+ if (!IN_RANGE (start, end, rloc, reloc_size))
{
warn (_("skipping invalid relocation offset 0x%lx in section %s\n"),
(unsigned long) rp->r_offset,
Elf_Internal_Shdr * parent_sec = NULL;
Elf_Internal_Shdr * symtab_sec = NULL;
Elf_Internal_Shdr * strtab_sec = NULL;
- void * data = NULL;
- void * symdata = NULL;
- void * strdata = NULL;
- void * parentdata = NULL;
- ctf_sect_t ctfsect, symsect, strsect, parentsect;
- ctf_sect_t * symsectp = NULL;
- ctf_sect_t * strsectp = NULL;
- ctf_file_t * ctf = NULL;
- ctf_file_t * parent = NULL;
-
- const char *things[] = {"Labels", "Data objects", "Function objects",
- "Variables", "Types", "Strings", ""};
+ void * data = NULL;
+ void * symdata = NULL;
+ void * strdata = NULL;
+ void * parentdata = NULL;
+ ctf_sect_t ctfsect, symsect, strsect, parentsect;
+ ctf_sect_t * symsectp = NULL;
+ ctf_sect_t * strsectp = NULL;
+ ctf_file_t * ctf = NULL;
+ ctf_file_t * parent = NULL;
+
+ const char *things[] = {"Header", "Labels", "Data objects",
+ "Function objects", "Variables", "Types", "Strings",
+ ""};
const char **thing;
int err;
bfd_boolean ret = FALSE;
data = get_section_contents (section, filedata);
ctfsect.cts_data = data;
- if (dump_ctf_symtab_name)
+ if (!dump_ctf_symtab_name)
+ dump_ctf_symtab_name = strdup (".symtab");
+
+ if (!dump_ctf_strtab_name)
+ dump_ctf_strtab_name = strdup (".strtab");
+
+ if (dump_ctf_symtab_name && dump_ctf_symtab_name[0] != 0)
{
if ((symtab_sec = find_section (filedata, dump_ctf_symtab_name)) == NULL)
{
symsectp = shdr_to_ctf_sect (&symsect, symtab_sec, filedata);
symsect.cts_data = symdata;
}
- if (dump_ctf_strtab_name)
+ if (dump_ctf_strtab_name && dump_ctf_symtab_name[0] != 0)
{
if ((strtab_sec = find_section (filedata, dump_ctf_strtab_name)) == NULL)
{
printf (_("\nDump of CTF section '%s':\n"),
printable_section_name (filedata, section));
- for (i = 1, thing = things; *thing[0]; thing++, i++)
+ for (i = 0, thing = things; *thing[0]; thing++, i++)
{
ctf_dump_state_t *s = NULL;
char *item;
}
else
{
- unsigned int len;
-
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf ("%ld (0x%lx)\n", val, val);
}
const unsigned char * const end)
{
unsigned int tag;
- unsigned int len;
unsigned int val;
- tag = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (tag, p, end);
switch (tag)
{
case Tag_ARC_PCS_config:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ARC_PCS_config: ");
switch (val)
{
break;
case Tag_ARC_CPU_base:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ARC_CPU_base: ");
switch (val)
{
break;
case Tag_ARC_CPU_variation:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ARC_CPU_variation: ");
switch (val)
{
break;
case Tag_ARC_ABI_rf16:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ARC_ABI_rf16: %s\n", val ? _("yes") : _("no"));
break;
case Tag_ARC_ABI_osver:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ARC_ABI_osver: v%d\n", val);
break;
case Tag_ARC_ABI_pic:
case Tag_ARC_ABI_sda:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (tag == Tag_ARC_ABI_sda ? " Tag_ARC_ABI_sda: "
: " Tag_ARC_ABI_pic: ");
switch (val)
break;
case Tag_ARC_ABI_tls:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ARC_ABI_tls: %s\n", val ? "r25": "none");
break;
case Tag_ARC_ABI_enumsize:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ARC_ABI_enumsize: %s\n", val ? _("default") :
_("smallest"));
break;
case Tag_ARC_ABI_exceptions:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ARC_ABI_exceptions: %s\n", val ? _("OPTFP")
: _("default"));
break;
case Tag_ARC_ABI_double_size:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ARC_ABI_double_size: %d\n", val);
break;
break;
case Tag_ARC_ISA_mpy_option:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ARC_ISA_mpy_option: %d\n", val);
break;
case Tag_ARC_ATR_version:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ARC_ATR_version: %d\n", val);
break;
const unsigned char * const end)
{
unsigned int tag;
- unsigned int len;
unsigned int val;
arm_attr_public_tag * attr;
unsigned i;
unsigned int type;
- tag = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (tag, p, end);
attr = NULL;
for (i = 0; i < ARRAY_SIZE (arm_attr_public_tags); i++)
{
switch (tag)
{
case 7: /* Tag_CPU_arch_profile. */
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
switch (val)
{
case 0: printf (_("None\n")); break;
break;
case 24: /* Tag_align_needed. */
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
switch (val)
{
case 0: printf (_("None\n")); break;
break;
case 25: /* Tag_align_preserved. */
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
switch (val)
{
case 0: printf (_("None\n")); break;
case 32: /* Tag_compatibility. */
{
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (_("flag = %d, vendor = "), val);
if (p < end - 1)
{
break;
case 65: /* Tag_also_compatible_with. */
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
if (val == 6 /* Tag_CPU_arch. */)
{
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
if ((unsigned int) val >= ARRAY_SIZE (arm_attr_tag_CPU_arch))
printf ("??? (%d)\n", val);
else
default:
assert (attr->type & 0x80);
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
type = attr->type & 0x7f;
if (val >= type)
printf ("??? (%d)\n", val);
unsigned char * (* display_proc_gnu_attribute) (unsigned char *, unsigned int, const unsigned char * const),
const unsigned char * const end)
{
- int tag;
- unsigned int len;
+ unsigned int tag;
unsigned int val;
- tag = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (tag, p, end);
/* Tag_compatibility is the only generic GNU attribute defined at
present. */
if (tag == 32)
{
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (_("flag = %d, vendor = "), val);
if (p == end)
unsigned int tag,
const unsigned char * const end)
{
- unsigned int len;
unsigned int val;
if (tag == Tag_GNU_Power_ABI_FP)
{
- val = read_uleb128 (p, &len, end);
- p += len;
printf (" Tag_GNU_Power_ABI_FP: ");
- if (len == 0)
+ if (p == end)
{
printf (_("<corrupt>\n"));
return p;
}
+ READ_ULEB (val, p, end);
if (val > 15)
printf ("(%#x), ", val);
if (tag == Tag_GNU_Power_ABI_Vector)
{
- val = read_uleb128 (p, &len, end);
- p += len;
printf (" Tag_GNU_Power_ABI_Vector: ");
- if (len == 0)
+ if (p == end)
{
printf (_("<corrupt>\n"));
return p;
}
+ READ_ULEB (val, p, end);
if (val > 3)
printf ("(%#x), ", val);
if (tag == Tag_GNU_Power_ABI_Struct_Return)
{
- val = read_uleb128 (p, &len, end);
- p += len;
printf (" Tag_GNU_Power_ABI_Struct_Return: ");
- if (len == 0)
+ if (p == end)
{
printf (_("<corrupt>\n"));
return p;
}
+ READ_ULEB (val, p, end);
if (val > 2)
printf ("(%#x), ", val);
unsigned int tag,
const unsigned char * const end)
{
- unsigned int len;
- int val;
+ unsigned int val;
if (tag == Tag_GNU_S390_ABI_Vector)
{
- val = read_uleb128 (p, &len, end);
- p += len;
printf (" Tag_GNU_S390_ABI_Vector: ");
+ READ_ULEB (val, p, end);
switch (val)
{
unsigned int tag,
const unsigned char * const end)
{
- unsigned int len;
- int val;
+ unsigned int val;
if (tag == Tag_GNU_Sparc_HWCAPS)
{
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_GNU_Sparc_HWCAPS: ");
display_sparc_hwcaps (val);
return p;
}
if (tag == Tag_GNU_Sparc_HWCAPS2)
{
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_GNU_Sparc_HWCAPS2: ");
display_sparc_hwcaps2 (val);
return p;
{
if (tag == Tag_GNU_MIPS_ABI_FP)
{
- unsigned int len;
unsigned int val;
- val = read_uleb128 (p, &len, end);
- p += len;
printf (" Tag_GNU_MIPS_ABI_FP: ");
-
+ READ_ULEB (val, p, end);
print_mips_fp_abi_value (val);
-
return p;
}
if (tag == Tag_GNU_MIPS_ABI_MSA)
{
- unsigned int len;
unsigned int val;
- val = read_uleb128 (p, &len, end);
- p += len;
printf (" Tag_GNU_MIPS_ABI_MSA: ");
+ READ_ULEB (val, p, end);
switch (val)
{
const unsigned char * const end)
{
unsigned int tag;
- unsigned int len;
- int val;
+ unsigned int val;
- tag = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (tag, p, end);
switch (tag)
{
case Tag_ISA:
- val = read_uleb128 (p, &len, end);
- p += len;
printf (" Tag_ISA: ");
+ READ_ULEB (val, p, end);
switch (val)
{
return p;
case Tag_ABI_wchar_t:
- val = read_uleb128 (p, &len, end);
- p += len;
printf (" Tag_ABI_wchar_t: ");
+ READ_ULEB (val, p, end);
switch (val)
{
case 0:
return p;
case Tag_ABI_stack_align_needed:
- val = read_uleb128 (p, &len, end);
- p += len;
printf (" Tag_ABI_stack_align_needed: ");
+ READ_ULEB (val, p, end);
switch (val)
{
case 0:
return p;
case Tag_ABI_stack_align_preserved:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ABI_stack_align_preserved: ");
switch (val)
{
return p;
case Tag_ABI_DSBT:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ABI_DSBT: ");
switch (val)
{
return p;
case Tag_ABI_PID:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ABI_PID: ");
switch (val)
{
return p;
case Tag_ABI_PIC:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ABI_PIC: ");
switch (val)
{
return p;
case Tag_ABI_array_object_alignment:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ABI_array_object_alignment: ");
switch (val)
{
return p;
case Tag_ABI_array_object_align_expected:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ABI_array_object_align_expected: ");
switch (val)
{
case Tag_ABI_compatibility:
{
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf (" Tag_ABI_compatibility: ");
printf (_("flag = %d, vendor = "), val);
if (p < end - 1)
display_msp430x_attribute (unsigned char * p,
const unsigned char * const end)
{
- unsigned int len;
unsigned int val;
unsigned int tag;
- tag = read_uleb128 (p, & len, end);
- p += len;
+ READ_ULEB (tag, p, end);
switch (tag)
{
case OFBA_MSPABI_Tag_ISA:
- val = read_uleb128 (p, &len, end);
- p += len;
printf (" Tag_ISA: ");
+ READ_ULEB (val, p, end);
switch (val)
{
case 0: printf (_("None\n")); break;
break;
case OFBA_MSPABI_Tag_Code_Model:
- val = read_uleb128 (p, &len, end);
- p += len;
printf (" Tag_Code_Model: ");
+ READ_ULEB (val, p, end);
switch (val)
{
case 0: printf (_("None\n")); break;
break;
case OFBA_MSPABI_Tag_Data_Model:
- val = read_uleb128 (p, &len, end);
- p += len;
printf (" Tag_Data_Model: ");
+ READ_ULEB (val, p, end);
switch (val)
{
case 0: printf (_("None\n")); break;
}
else
{
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
printf ("%d (0x%x)\n", val, val);
}
break;
return p;
}
+static unsigned char *
+display_msp430_gnu_attribute (unsigned char * p,
+ unsigned int tag,
+ const unsigned char * const end)
+{
+ if (tag == Tag_GNU_MSP430_Data_Region)
+ {
+ unsigned int val;
+
+ printf (" Tag_GNU_MSP430_Data_Region: ");
+ READ_ULEB (val, p, end);
+
+ switch (val)
+ {
+ case Val_GNU_MSP430_Data_Region_Any:
+ printf (_("Any Region\n"));
+ break;
+ case Val_GNU_MSP430_Data_Region_Lower:
+ printf (_("Lower Region Only\n"));
+ break;
+ default:
+ printf ("??? (%u)\n", val);
+ }
+ return p;
+ }
+ return display_tag_value (tag & 1, p, end);
+}
+
struct riscv_attr_tag_t {
const char *name;
- int tag;
+ unsigned int tag;
};
static struct riscv_attr_tag_t riscv_attr_tag[] =
display_riscv_attribute (unsigned char *p,
const unsigned char * const end)
{
- unsigned int len;
- int val;
- int tag;
+ unsigned int val;
+ unsigned int tag;
struct riscv_attr_tag_t *attr = NULL;
unsigned i;
- tag = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (tag, p, end);
/* Find the name of attribute. */
for (i = 0; i < ARRAY_SIZE (riscv_attr_tag); i++)
case Tag_RISCV_priv_spec:
case Tag_RISCV_priv_spec_minor:
case Tag_RISCV_priv_spec_revision:
- val = read_uleb128 (p, &len, end);
- p += len;
- printf (_("%d\n"), val);
+ READ_ULEB (val, p, end);
+ printf (_("%u\n"), val);
break;
case Tag_RISCV_unaligned_access:
- val = read_uleb128 (p, &len, end);
- p += len;
+ READ_ULEB (val, p, end);
switch (val)
{
case 0:
}
break;
case Tag_RISCV_stack_align:
- val = read_uleb128 (p, &len, end);
- p += len;
- printf (_("%d-bytes\n"), val);
+ READ_ULEB (val, p, end);
+ printf (_("%u-bytes\n"), val);
break;
case Tag_RISCV_arch:
p = display_tag_value (-1, p, end);
while (attr_len > 0 && p < contents + sect->sh_size)
{
int tag;
- int val;
+ unsigned int val;
bfd_vma size;
unsigned char * end;
do_numlist:
for (;;)
{
- unsigned int j;
-
- val = read_uleb128 (p, &j, end);
- p += j;
+ READ_ULEB (val, p, end);
if (val == 0)
break;
printf (" %d", val);
case EM_MSP430:
return process_attributes (filedata, "mspabi", SHT_MSP430_ATTRIBUTES,
display_msp430x_attribute,
- display_generic_attribute);
+ display_msp430_gnu_attribute);
case EM_RISCV:
return process_attributes (filedata, "riscv", SHT_RISCV_ATTRIBUTES,