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authorJames Clarke <jrtc27@jrtc27.com>2017-01-24 09:20:06 -0200
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2017-01-24 09:20:06 -0200
commit3e1b518550634792de13332edaab0ad722322c2b (patch)
tree0c1473d4c07e4d7178ae16354199ed30492a971f /sysdeps
parentf3bef6a748097d02d196df247f7b292c7b83744c (diff)
downloadglibc-3e1b518550634792de13332edaab0ad722322c2b.tar.gz
Bug 21053: sh: Reduce namespace pollution from sys/ucontext.h
The problem is basically that sys/ucontext.h is defining R0..R15 which happens to conflict with some packages like Firefox when trying to build on SH. The very same problem existed on arm back then [1] and it was fixed by renaming R0..R15 to REG_R0..REG_R15. This patch imploy a similar strategy for SH. Checked on sh4-linux-gnu with run-built-tests=no and I also got reports that it fixes Firefox build on Debian sh4. * sysdeps/unix/sysv/linux/sh/sh3/ucontext_i.sym: Use new REG_R* constants instead of the old R* ones. * sysdeps/unix/sysv/linux/sh/sh4/ucontext_i.sym: Likewise. * sysdeps/unix/sysv/linux/sh/sys/ucontext.h (NGPREG): Rename... (NGREG): ... to this, to fit in with other architectures. (gpregset_t): Use new NGREG macro. [__USE_GNU]: Remove condition; all architectures other than tile are unconditional. (R*): Rename to REG_R*.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/sh/sh3/ucontext_i.sym32
-rw-r--r--sysdeps/unix/sysv/linux/sh/sh4/ucontext_i.sym32
-rw-r--r--sysdeps/unix/sysv/linux/sh/sys/ucontext.h70
3 files changed, 66 insertions, 68 deletions
diff --git a/sysdeps/unix/sysv/linux/sh/sh3/ucontext_i.sym b/sysdeps/unix/sysv/linux/sh/sh3/ucontext_i.sym
index 17397c5511..25f914a93b 100644
--- a/sysdeps/unix/sysv/linux/sh/sh3/ucontext_i.sym
+++ b/sysdeps/unix/sysv/linux/sh/sh3/ucontext_i.sym
@@ -13,22 +13,22 @@ SIG_SETMASK
oLINK ucontext (uc_link)
oSS_SP ucontext (uc_stack.ss_sp)
oSS_SIZE ucontext (uc_stack.ss_size)
-oR0 mcontext (gregs[R0])
-oR1 mcontext (gregs[R1])
-oR2 mcontext (gregs[R2])
-oR3 mcontext (gregs[R3])
-oR4 mcontext (gregs[R4])
-oR5 mcontext (gregs[R5])
-oR6 mcontext (gregs[R6])
-oR7 mcontext (gregs[R7])
-oR8 mcontext (gregs[R8])
-oR9 mcontext (gregs[R9])
-oR10 mcontext (gregs[R10])
-oR11 mcontext (gregs[R11])
-oR12 mcontext (gregs[R12])
-oR13 mcontext (gregs[R13])
-oR14 mcontext (gregs[R14])
-oR15 mcontext (gregs[R15])
+oR0 mcontext (gregs[REG_R0])
+oR1 mcontext (gregs[REG_R1])
+oR2 mcontext (gregs[REG_R2])
+oR3 mcontext (gregs[REG_R3])
+oR4 mcontext (gregs[REG_R4])
+oR5 mcontext (gregs[REG_R5])
+oR6 mcontext (gregs[REG_R6])
+oR7 mcontext (gregs[REG_R7])
+oR8 mcontext (gregs[REG_R8])
+oR9 mcontext (gregs[REG_R9])
+oR10 mcontext (gregs[REG_R10])
+oR11 mcontext (gregs[REG_R11])
+oR12 mcontext (gregs[REG_R12])
+oR13 mcontext (gregs[REG_R13])
+oR14 mcontext (gregs[REG_R14])
+oR15 mcontext (gregs[REG_R15])
oPC mcontext (pc)
oPR mcontext (pr)
oSR mcontext (sr)
diff --git a/sysdeps/unix/sysv/linux/sh/sh4/ucontext_i.sym b/sysdeps/unix/sysv/linux/sh/sh4/ucontext_i.sym
index 65633fbcf4..130f60cd96 100644
--- a/sysdeps/unix/sysv/linux/sh/sh4/ucontext_i.sym
+++ b/sysdeps/unix/sysv/linux/sh/sh4/ucontext_i.sym
@@ -13,22 +13,22 @@ SIG_SETMASK
oLINK ucontext (uc_link)
oSS_SP ucontext (uc_stack.ss_sp)
oSS_SIZE ucontext (uc_stack.ss_size)
-oR0 mcontext (gregs[R0])
-oR1 mcontext (gregs[R1])
-oR2 mcontext (gregs[R2])
-oR3 mcontext (gregs[R3])
-oR4 mcontext (gregs[R4])
-oR5 mcontext (gregs[R5])
-oR6 mcontext (gregs[R6])
-oR7 mcontext (gregs[R7])
-oR8 mcontext (gregs[R8])
-oR9 mcontext (gregs[R9])
-oR10 mcontext (gregs[R10])
-oR11 mcontext (gregs[R11])
-oR12 mcontext (gregs[R12])
-oR13 mcontext (gregs[R13])
-oR14 mcontext (gregs[R14])
-oR15 mcontext (gregs[R15])
+oR0 mcontext (gregs[REG_R0])
+oR1 mcontext (gregs[REG_R1])
+oR2 mcontext (gregs[REG_R2])
+oR3 mcontext (gregs[REG_R3])
+oR4 mcontext (gregs[REG_R4])
+oR5 mcontext (gregs[REG_R5])
+oR6 mcontext (gregs[REG_R6])
+oR7 mcontext (gregs[REG_R7])
+oR8 mcontext (gregs[REG_R8])
+oR9 mcontext (gregs[REG_R9])
+oR10 mcontext (gregs[REG_R10])
+oR11 mcontext (gregs[REG_R11])
+oR12 mcontext (gregs[REG_R12])
+oR13 mcontext (gregs[REG_R13])
+oR14 mcontext (gregs[REG_R14])
+oR15 mcontext (gregs[REG_R15])
oPC mcontext (pc)
oPR mcontext (pr)
oSR mcontext (sr)
diff --git a/sysdeps/unix/sysv/linux/sh/sys/ucontext.h b/sysdeps/unix/sysv/linux/sh/sys/ucontext.h
index 3cad368709..9fa479c151 100644
--- a/sysdeps/unix/sysv/linux/sh/sys/ucontext.h
+++ b/sysdeps/unix/sysv/linux/sh/sys/ucontext.h
@@ -32,49 +32,47 @@
typedef int greg_t;
/* Number of general registers. */
-#define NGPREG 16
+#define NGREG 16
/* Container for all general registers. */
-typedef greg_t gregset_t[NGPREG];
+typedef greg_t gregset_t[NGREG];
-#ifdef __USE_GNU
/* Number of each register is the `gregset_t' array. */
enum
{
- R0 = 0,
-#define R0 R0
- R1 = 1,
-#define R1 R1
- R2 = 2,
-#define R2 R2
- R3 = 3,
-#define R3 R3
- R4 = 4,
-#define R4 R4
- R5 = 5,
-#define R5 R5
- R6 = 6,
-#define R6 R6
- R7 = 7,
-#define R7 R7
- R8 = 8,
-#define R8 R8
- R9 = 9,
-#define R9 R9
- R10 = 10,
-#define R10 R10
- R11 = 11,
-#define R11 R11
- R12 = 12,
-#define R12 R12
- R13 = 13,
-#define R13 R13
- R14 = 14,
-#define R14 R14
- R15 = 15,
-#define R15 R15
+ REG_R0 = 0,
+#define REG_R0 REG_R0
+ REG_R1 = 1,
+#define REG_R1 REG_R1
+ REG_R2 = 2,
+#define REG_R2 REG_R2
+ REG_R3 = 3,
+#define REG_R3 REG_R3
+ REG_R4 = 4,
+#define REG_R4 REG_R4
+ REG_R5 = 5,
+#define REG_R5 REG_R5
+ REG_R6 = 6,
+#define REG_R6 REG_R6
+ REG_R7 = 7,
+#define REG_R7 REG_R7
+ REG_R8 = 8,
+#define REG_R8 REG_R8
+ REG_R9 = 9,
+#define REG_R9 REG_R9
+ REG_R10 = 10,
+#define REG_R10 REG_R10
+ REG_R11 = 11,
+#define REG_R11 REG_R11
+ REG_R12 = 12,
+#define REG_R12 REG_R12
+ REG_R13 = 13,
+#define REG_R13 REG_R13
+ REG_R14 = 14,
+#define REG_R14 REG_R14
+ REG_R15 = 15,
+#define REG_R15 REG_R15
};
-#endif
typedef int freg_t;