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gdb/linux-record: Fix readdir and getdents handling

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getdents buffer size is given in bytes, not dirent entries (which have
variable size anyway).  We don't need size_dirent and size_dirent64 for
this reason.

readdir, on the other hand, needs size of old_linux_dirent, which is
a somewhat different structure.  Accordingly, rename size_dirent
to size_old_dirent.

gdb/ChangeLog:

	* aarch64-linux-tdep.c (aarch64_linux_init_abi): Remove
	size_dirent{,64}, add size_old_dirent.
	* amd64-linux-tdep.c (amd64_linux_init_abi): Remove size_dirent{,64},
	add size_old_dirent.
	(amd64_x32_linux_init_abi): Remove size_dirent{,64}, add
	size_old_dirent.
	* arm-linux-tdep.c (arm_linux_init_abi): Remove size_dirent{,64},
	add size_old_dirent.
	* i386-linux-tdep.c (i386_linux_init_abi): Remove size_dirent{,64},
	add size_old_dirent.
	* linux-record.c (record_linux_system_call): Fix handling of readdir
	and getdents{,64}.
	* linux-record.h (struct linux_record_tdep): Remove size_dirent{,64},
	add size_old_dirent.
	* ppc-linux-tdep.c (ppc_init_linux_record_tdep): Remove
	size_dirent{,64}, add size_old_dirent.
This commit is contained in:
Marcin Kościelnicki
2015-10-30 15:51:58 +00:00
committed by Pedro Alves
parent 7571f7f297
commit 72aded8673
8 changed files with 32 additions and 32 deletions
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8
gdb/amd64-linux-tdep.c
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@@ -1905,8 +1905,8 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
but sys_getresuid. */
amd64_linux_record_tdep.size_old_uid_t = 2;
amd64_linux_record_tdep.size_fd_set = 128;
amd64_linux_record_tdep.size_dirent = 280;
amd64_linux_record_tdep.size_dirent64 = 280;
/* ADM64 doesn't need this size because it doesn't have sys_readdir. */
amd64_linux_record_tdep.size_old_dirent = 280;
amd64_linux_record_tdep.size_statfs = 120;
amd64_linux_record_tdep.size_statfs64 = 120;
amd64_linux_record_tdep.size_sockaddr = 16;
@@ -2121,8 +2121,8 @@ amd64_x32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
but sys_getresuid. */
amd64_x32_linux_record_tdep.size_old_uid_t = 2;
amd64_x32_linux_record_tdep.size_fd_set = 128;
amd64_x32_linux_record_tdep.size_dirent = 280;
amd64_x32_linux_record_tdep.size_dirent64 = 280;
/* ADM64 doesn't need this size because it doesn't have sys_readdir. */
amd64_x32_linux_record_tdep.size_old_dirent = 268;
amd64_x32_linux_record_tdep.size_statfs = 120;
amd64_x32_linux_record_tdep.size_statfs64 = 120;
amd64_x32_linux_record_tdep.size_sockaddr = 16;