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| author | Andreas Schwab <schwab@linux-m68k.org> | 2003-02-06 23:01:04 +0000 |
|---|---|---|
| committer | Andreas Schwab <schwab@linux-m68k.org> | 2003-02-06 23:01:04 +0000 |
| commit | 84f97cb6412ffb7a3e6cc1fda4be14196f9c66ac (patch) | |
| tree | 95cecd318c573c60da60588b0ea136bb7ac3e340 /bfd/elf-eh-frame.c | |
| parent | 9e1d9e8d68c2fb15157177ad27941f7e784d95c0 (diff) | |
| download | gdb-84f97cb6412ffb7a3e6cc1fda4be14196f9c66ac.zip gdb-84f97cb6412ffb7a3e6cc1fda4be14196f9c66ac.tar.gz gdb-84f97cb6412ffb7a3e6cc1fda4be14196f9c66ac.tar.bz2 | |
* elf-eh-frame.c (get_DW_EH_PE_signed): Define.
(read_value): Add parameter is_signed, use signed extraction if
the value is signed.
(_bfd_elf_write_section_eh_frame): Pass signed flag of the
encoding to read_value.
Diffstat (limited to 'bfd/elf-eh-frame.c')
| -rw-r--r-- | bfd/elf-eh-frame.c | 44 |
1 files changed, 35 insertions, 9 deletions
diff --git a/bfd/elf-eh-frame.c b/bfd/elf-eh-frame.c index 3db9453..7764074 100644 --- a/bfd/elf-eh-frame.c +++ b/bfd/elf-eh-frame.c @@ -33,7 +33,7 @@ static bfd_signed_vma read_signed_leb128 static int get_DW_EH_PE_width PARAMS ((int, int)); static bfd_vma read_value - PARAMS ((bfd *, bfd_byte *, int)); + PARAMS ((bfd *, bfd_byte *, int, int)); static void write_value PARAMS ((bfd *, bfd_byte *, bfd_vma, int)); static int cie_compare @@ -141,22 +141,42 @@ int get_DW_EH_PE_width (encoding, ptr_size) return 0; } +#define get_DW_EH_PE_signed(encoding) (((encoding) & DW_EH_PE_signed) != 0) + /* Read a width sized value from memory. */ static bfd_vma -read_value (abfd, buf, width) +read_value (abfd, buf, width, is_signed) bfd *abfd; bfd_byte *buf; int width; + int is_signed; { bfd_vma value; switch (width) { - case 2: value = bfd_get_16 (abfd, buf); break; - case 4: value = bfd_get_32 (abfd, buf); break; - case 8: value = bfd_get_64 (abfd, buf); break; - default: BFD_FAIL (); return 0; + case 2: + if (is_signed) + value = bfd_get_signed_16 (abfd, buf); + else + value = bfd_get_16 (abfd, buf); + break; + case 4: + if (is_signed) + value = bfd_get_signed_32 (abfd, buf); + else + value = bfd_get_32 (abfd, buf); + break; + case 8: + if (is_signed) + value = bfd_get_signed_64 (abfd, buf); + else + value = bfd_get_64 (abfd, buf); + break; + default: + BFD_FAIL (); + return 0; } return value; @@ -925,7 +945,9 @@ _bfd_elf_write_section_eh_frame (abfd, info, sec, contents) { bfd_vma value; - value = read_value (abfd, buf, per_width); + value = read_value (abfd, buf, per_width, + get_DW_EH_PE_signed + (per_encoding)); value += (sec_info->entry[i].offset - sec_info->entry[i].new_offset); write_value (abfd, buf, value, per_width); @@ -961,7 +983,9 @@ _bfd_elf_write_section_eh_frame (abfd, info, sec, contents) buf += 4; width = get_DW_EH_PE_width (sec_info->entry[i].fde_encoding, ptr_size); - address = value = read_value (abfd, buf, width); + address = value = read_value (abfd, buf, width, + get_DW_EH_PE_signed + (sec_info->entry[i].fde_encoding)); if (value) { switch (sec_info->entry[i].fde_encoding & 0xf0) @@ -1005,7 +1029,9 @@ _bfd_elf_write_section_eh_frame (abfd, info, sec, contents) buf += sec_info->entry[i].lsda_offset; width = get_DW_EH_PE_width (sec_info->entry[i].lsda_encoding, ptr_size); - value = read_value (abfd, buf, width); + value = read_value (abfd, buf, width, + get_DW_EH_PE_signed + (sec_info->entry[i].lsda_encoding)); if (value) { if ((sec_info->entry[i].lsda_encoding & 0xf0) |