aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--BUGS4
-rw-r--r--ChangeLog29
-rw-r--r--db2/README2
-rw-r--r--elf/sprof.c107
-rw-r--r--sysdeps/generic/sysdep.h7
-rw-r--r--sysdeps/i386/i586/addmul_1.S2
-rw-r--r--sysdeps/unix/sysv/linux/i386/clone.S3
-rw-r--r--sysdeps/unix/sysv/linux/i386/mmap.S3
-rw-r--r--sysdeps/unix/sysv/linux/i386/s_pread64.S5
-rw-r--r--sysdeps/unix/sysv/linux/i386/s_pwrite64.S5
-rw-r--r--sysdeps/unix/sysv/linux/i386/sigaction.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/socket.S3
-rw-r--r--sysdeps/unix/sysv/linux/i386/syscall.S3
-rw-r--r--sysdeps/unix/sysv/linux/i386/sysdep.h3
-rw-r--r--sysdeps/unix/sysv/linux/sigaction.c2
-rw-r--r--sysdeps/unix/sysv/linux/sigpending.c2
-rw-r--r--sysdeps/unix/sysv/linux/sigprocmask.c2
-rw-r--r--sysdeps/unix/sysv/linux/sigsuspend.c2
18 files changed, 120 insertions, 66 deletions
diff --git a/BUGS b/BUGS
index 546fab20a8..ccb60773da 100644
--- a/BUGS
+++ b/BUGS
@@ -1,7 +1,7 @@
List of known bugs (certainly very incomplete)
----------------------------------------------
-Time-stamp: <1998-02-27T13:05:49-0800 drepper>
+Time-stamp: <1998-03-03T15:29:53-0800 drepper>
This following list contains those bugs which I'm aware of. Please
make sure that bugs you report are not listed here. If you can fix one
@@ -52,7 +52,7 @@ Severity: [ *] to [***]
directive, with localedef, not only the copied category is
checked for errors, but the whole file containing the same
category.
- [PR libc/207]
+ [PR libc/207 and PR libc/454]
[ *] The libm-ieee `gamma' function gives wrong results (at least for
-0.5).
diff --git a/ChangeLog b/ChangeLog
index 0e93f1489b..b7ef62a97b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,32 @@
+1998-03-03 17:55 Ulrich Drepper <drepper@cygnus.com>
+
+ * elf/sprof.c: Cleanup a bit.
+
+1998-03-03 08:01 H.J. Lu <hjl@gnu.org>
+
+ * sysdeps/generic/sysdep.h (L): New. Define.
+
+ * sysdeps/unix/sysv/linux/i386/sysdep.h (L): New. Define.
+
+ * sysdeps/i386/i586/addmul_1.S: Fix a typo.
+
+ * sysdeps/unix/sysv/linux/i386/clone.S: Follow Intel's advice
+ to have only one exit point for functions.
+ * sysdeps/unix/sysv/linux/i386/mmap.S: Likewise.
+ * sysdeps/unix/sysv/linux/i386/s_pread64.S: Likewise.
+ * sysdeps/unix/sysv/linux/i386/s_pwrite64.S: Likewise.
+ * sysdeps/unix/sysv/linux/i386/socket.S: Likewise.
+ * sysdeps/unix/sysv/linux/i386/syscall.S: Likewise.
+
+1998-03-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
+
+ * sysdeps/unix/sysv/linux/sigaction.c (__sigaction): Safe and
+ reset errno so that errno isn't set to ENOSYS in the first call.
+ * sysdeps/unix/sysv/linux/i386/sigaction.c (__sigaction): Likewise.
+ * sysdeps/unix/sysv/linux/sigsuspend.c (__sigsuspend): Likewise.
+ * sysdeps/unix/sysv/linux/sigprocmask.c (__sigprocmask): Likewise.
+ * sysdeps/unix/sysv/linux/sigpending.c (sigpending): Likewise.
+
1998-03-02 17:55 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/i386/add_n.S: Change to use ENTRY and END macro.
diff --git a/db2/README b/db2/README
index 0793d740be..cf527ab5ac 100644
--- a/db2/README
+++ b/db2/README
@@ -2,7 +2,7 @@ As a special exception, when Berkeley DB is distributed along with the
GNU C Library, in any program which uses the GNU C Library in accord
with that library's distribution terms, it is also permitted for
Berkeley DB to be loaded dynamically by the GNU C Library to implement
-standard ISO/IEC 9945 (POSIX 1003) and Unix interface functionality.
+standard ISO/IEC 9945 and Unix interface functionality.
Sleepycat Software, Inc.
diff --git a/elf/sprof.c b/elf/sprof.c
index 0d50806126..7049012877 100644
--- a/elf/sprof.c
+++ b/elf/sprof.c
@@ -144,6 +144,8 @@ struct known_symbol
const char *name;
uintptr_t addr;
size_t size;
+
+ uintmax_t ticks;
};
@@ -192,8 +194,9 @@ struct profdata
/* Search tree for symbols. */
void *symroot;
-static const struct known_symbol **sortsym;
+static struct known_symbol **sortsym;
static size_t symidx;
+static uintmax_t total_ticks;
/* Prototypes for local functions. */
static struct shobj *load_shobj (const char *name);
@@ -280,6 +283,14 @@ no filename for profiling data given and shared object `%s' has no soname"),
{
case COUNT_TOTAL:
count_total_ticks (shobj_handle, profdata_handle);
+ {
+ size_t n;
+ for (n = 0; n < symidx; ++n)
+ if (sortsym[n]->ticks != 0)
+ printf ("Name: %-30s, Ticks: %" PRIdMAX "\n", sortsym[n]->name,
+ sortsym[n]->ticks);
+ printf ("Total ticks: %" PRIdMAX "\n", total_ticks);
+ }
break;
case NONE:
/* Do nothing. */
@@ -443,32 +454,31 @@ load_shobj (const char *name)
* sizeof (struct here_cg_arc_record)));
if (do_test)
- {
-#define SCALE_1_TO_1 0x10000L
+ printf ("expected size: %Zd\n", result->expected_size);
- printf ("expected size: %Zd\n", result->expected_size);
+#define SCALE_1_TO_1 0x10000L
- if (result->kcountsize < result->highpc - result->lowpc)
- {
- size_t range = result->highpc - result->lowpc;
- size_t quot = range / result->kcountsize;
-
- if (quot >= SCALE_1_TO_1)
- result->s_scale = 1;
- else if (quot >= SCALE_1_TO_1 / 256)
- result->s_scale = SCALE_1_TO_1 / quot;
- else if (range > ULONG_MAX / 256)
- result->s_scale = ((SCALE_1_TO_1 * 256)
- / (range / (result->kcountsize / 256)));
- else
- result->s_scale = ((SCALE_1_TO_1 * 256)
- / ((range * 256) / result->kcountsize));
- }
+ if (result->kcountsize < result->highpc - result->lowpc)
+ {
+ size_t range = result->highpc - result->lowpc;
+ size_t quot = range / result->kcountsize;
+
+ if (quot >= SCALE_1_TO_1)
+ result->s_scale = 1;
+ else if (quot >= SCALE_1_TO_1 / 256)
+ result->s_scale = SCALE_1_TO_1 / quot;
+ else if (range > ULONG_MAX / 256)
+ result->s_scale = ((SCALE_1_TO_1 * 256)
+ / (range / (result->kcountsize / 256)));
else
- result->s_scale = SCALE_1_TO_1;
-
- printf ("s_scale: %d\n", result->s_scale);
+ result->s_scale = ((SCALE_1_TO_1 * 256)
+ / ((range * 256) / result->kcountsize));
}
+ else
+ result->s_scale = SCALE_1_TO_1;
+
+ if (do_test)
+ printf ("s_scale: %d\n", result->s_scale);
/* Determine the string table. */
if (map->l_info[DT_STRTAB] == NULL)
@@ -775,32 +785,28 @@ static void
count_total_ticks (struct shobj *shobj, struct profdata *profdata)
{
volatile uint16_t *kcount = profdata->kcount;
- uint64_t sum = 0;
- size_t idx;
+ size_t maxkidx = shobj->kcountsize;
size_t factor = 2 * (65536 / shobj->s_scale);
+ size_t kidx = 0;
+ size_t sidx = 0;
- for (idx = shobj->kcountsize / sizeof (*kcount); idx > 0; )
+ while (sidx < symidx)
{
- --idx;
- if (kcount[idx] != 0)
- {
- size_t n;
-
- for (n = 0; n < symidx; ++n)
- if (sortsym[n]->addr <= factor * idx
- && sortsym[n]->addr + sortsym[n]->size > factor * idx)
- break;
-
- if (n < symidx)
- printf ("idx = %d, count = %d, name = %s\n", idx, kcount[idx],
- sortsym[n]->name);
- else
- printf ("idx = %d, N/A\n", idx);
- }
- sum += kcount[idx];
- }
+ uintptr_t start = sortsym[sidx]->addr;
+ uintptr_t end = start + sortsym[sidx]->size;
+
+ while (kidx < maxkidx && factor * kidx < start)
+ ++kidx;
+ if (kidx == maxkidx)
+ break;
- printf ("total ticks: %10" PRId64 "\n", sum);
+ while (kidx < maxkidx && factor * kidx < end)
+ sortsym[sidx]->ticks += kcount[kidx++];
+ if (kidx == maxkidx)
+ break;
+
+ total_ticks += sortsym[sidx++]->ticks;
+ }
}
@@ -818,14 +824,7 @@ static void
printsym (const void *node, VISIT value, int level)
{
if (value == leaf || value == postorder)
- {
- const struct known_symbol *sym = *(const struct known_symbol **) node;
-
- printf ("Name: %30s, Start: %6x, Len: %5d\n",
- sym->name, sym->addr, sym->size);
-
- sortsym[symidx++] = sym;
- }
+ sortsym[symidx++] = *(const struct known_symbol **) node;
}
@@ -882,6 +881,7 @@ read_symbols (struct shobj *shobj)
newsym->name = name0;
newsym->addr = last_addr;
newsym->size = *((uint32_t *) (shobj->stab + idx + VALOFF));
+ newsym->ticks = 0;
tsearch (newsym, &symroot, symorder);
++n;
@@ -920,6 +920,7 @@ read_symbols (struct shobj *shobj)
newsym->name = &strtab[symtab->st_name];
newsym->addr = symtab->st_value;
newsym->size = symtab->st_size;
+ newsym->ticks = 0;
tsearch (newsym, &symroot, symorder);
++n;
diff --git a/sysdeps/generic/sysdep.h b/sysdeps/generic/sysdep.h
index 014cd1c745..2ba01f4240 100644
--- a/sysdeps/generic/sysdep.h
+++ b/sysdeps/generic/sysdep.h
@@ -1,5 +1,5 @@
/* Generic asm macros used on many machines.
- Copyright (C) 1991, 92, 93, 96 Free Software Foundation, Inc.
+ Copyright (C) 1991, 92, 93, 96, 98 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -41,3 +41,8 @@
#ifndef END
#define END(sym)
#endif
+
+/* Local label name for asm code. */
+#ifndef L
+#define L(name) name
+#endif
diff --git a/sysdeps/i386/i586/addmul_1.S b/sysdeps/i386/i586/addmul_1.S
index b97799f387..76bf25f817 100644
--- a/sysdeps/i386/i586/addmul_1.S
+++ b/sysdeps/i386/i586/addmul_1.S
@@ -35,7 +35,7 @@
#define s2_limb ebp
.text
-ENRTY(__mpn_addmul_1)
+ENTRY(__mpn_addmul_1)
INSN1(push,l ,R(edi))
INSN1(push,l ,R(esi))
diff --git a/sysdeps/unix/sysv/linux/i386/clone.S b/sysdeps/unix/sysv/linux/i386/clone.S
index 0aec95e219..88d0e27549 100644
--- a/sysdeps/unix/sysv/linux/i386/clone.S
+++ b/sysdeps/unix/sysv/linux/i386/clone.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson (rth@tamu.edu)
@@ -59,6 +59,7 @@ ENTRY(__clone)
jl syscall_error
jz thread_start
+L(pseudo_end):
ret
thread_start:
diff --git a/sysdeps/unix/sysv/linux/i386/mmap.S b/sysdeps/unix/sysv/linux/i386/mmap.S
index 30bbcdf80a..5c2449e961 100644
--- a/sysdeps/unix/sysv/linux/i386/mmap.S
+++ b/sysdeps/unix/sysv/linux/i386/mmap.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -40,6 +40,7 @@ ENTRY (__mmap)
ja syscall_error
/* Successful; return the syscall's value. */
+L(pseudo_end):
ret
PSEUDO_END (__mmap)
diff --git a/sysdeps/unix/sysv/linux/i386/s_pread64.S b/sysdeps/unix/sysv/linux/i386/s_pread64.S
index 9e14aa815f..7f8816b3ba 100644
--- a/sysdeps/unix/sysv/linux/i386/s_pread64.S
+++ b/sysdeps/unix/sysv/linux/i386/s_pread64.S
@@ -1,5 +1,5 @@
/* pread64 syscall for Linux/ix86.
- Copyright (C) 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -48,7 +48,8 @@ ENTRY (__syscall_pread64)
POPARGS_5 /* Restore register contents. */
cmpl $-4095, %eax /* Check %eax for error. */
jae syscall_error /* Jump to error handler if error. */
- ret /* Return to caller. */
#endif
+ ret /* Return to caller. */
+L(pseudo_end):
PSEUDO_END (__syscall_pread64)
diff --git a/sysdeps/unix/sysv/linux/i386/s_pwrite64.S b/sysdeps/unix/sysv/linux/i386/s_pwrite64.S
index a21fe2f99f..7b72d12f0b 100644
--- a/sysdeps/unix/sysv/linux/i386/s_pwrite64.S
+++ b/sysdeps/unix/sysv/linux/i386/s_pwrite64.S
@@ -1,5 +1,5 @@
/* pwrite64 syscall for Linux/ix86.
- Copyright (C) 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -48,7 +48,8 @@ ENTRY (__syscall_pwrite64)
POPARGS_5 /* Restore register contents. */
cmpl $-4095, %eax /* Check %eax for error. */
jae syscall_error /* Jump to error handler if error. */
- ret /* Return to caller. */
#endif
+L(pseudo_end):
+ ret /* Return to caller. */
PSEUDO_END (__syscall_pwrite64)
diff --git a/sysdeps/unix/sysv/linux/i386/sigaction.c b/sysdeps/unix/sysv/linux/i386/sigaction.c
index a6d2b63634..0110a80a8a 100644
--- a/sysdeps/unix/sysv/linux/i386/sigaction.c
+++ b/sysdeps/unix/sysv/linux/i386/sigaction.c
@@ -48,6 +48,7 @@ __sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
if (!__libc_missing_rt_sigs)
{
struct kernel_sigaction kact, koact;
+ int saved_errno = errno;
if (act)
{
@@ -76,6 +77,7 @@ __sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
return result;
}
+ __set_errno (saved_errno);
__libc_missing_rt_sigs = 1;
}
diff --git a/sysdeps/unix/sysv/linux/i386/socket.S b/sysdeps/unix/sysv/linux/i386/socket.S
index f649470122..4326676bc2 100644
--- a/sysdeps/unix/sysv/linux/i386/socket.S
+++ b/sysdeps/unix/sysv/linux/i386/socket.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -58,6 +58,7 @@ ENTRY (__socket)
jae syscall_error
/* Successful; return the syscall's value. */
+L(pseudo_end):
ret
PSEUDO_END (__socket)
diff --git a/sysdeps/unix/sysv/linux/i386/syscall.S b/sysdeps/unix/sysv/linux/i386/syscall.S
index 6a020e0d0e..349408de30 100644
--- a/sysdeps/unix/sysv/linux/i386/syscall.S
+++ b/sysdeps/unix/sysv/linux/i386/syscall.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -31,6 +31,7 @@ ENTRY (syscall)
POPARGS_5 /* Restore register contents. */
cmpl $-4095, %eax /* Check %eax for error. */
jae syscall_error /* Jump to error handler if error. */
+L(pseudo_end):
ret /* Return to caller. */
PSEUDO_END (syscall)
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
index 7455e8d321..4ebcc6c852 100644
--- a/sysdeps/unix/sysv/linux/i386/sysdep.h
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -30,6 +30,9 @@
#undef SYS_ify
#define SYS_ify(syscall_name) __NR_##syscall_name
+/* ELF-like local names start with `.L'. */
+#undef L
+#define L(name) .L##name
#ifdef ASSEMBLER
diff --git a/sysdeps/unix/sysv/linux/sigaction.c b/sysdeps/unix/sysv/linux/sigaction.c
index 49cb3b6a89..773bfa067f 100644
--- a/sysdeps/unix/sysv/linux/sigaction.c
+++ b/sysdeps/unix/sysv/linux/sigaction.c
@@ -50,6 +50,7 @@ __sigaction (sig, act, oact)
if (!__libc_missing_rt_sigs)
{
struct kernel_sigaction kact, koact;
+ int saved_errno = errno;
if (act)
{
@@ -80,6 +81,7 @@ __sigaction (sig, act, oact)
return result;
}
+ __set_errno (saved_errno);
__libc_missing_rt_sigs = 1;
}
diff --git a/sysdeps/unix/sysv/linux/sigpending.c b/sysdeps/unix/sysv/linux/sigpending.c
index 4d5514a1bc..1776fdd65f 100644
--- a/sysdeps/unix/sysv/linux/sigpending.c
+++ b/sysdeps/unix/sysv/linux/sigpending.c
@@ -40,11 +40,13 @@ sigpending (set)
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
+ int saved_errno = errno;
int result = __syscall_rt_sigpending (set, _NSIG / 8);
if (result >= 0 || errno != ENOSYS)
return result;
+ __set_errno (saved_errno);
__libc_missing_rt_sigs = 1;
}
diff --git a/sysdeps/unix/sysv/linux/sigprocmask.c b/sysdeps/unix/sysv/linux/sigprocmask.c
index 476f46a8e6..064179e2b8 100644
--- a/sysdeps/unix/sysv/linux/sigprocmask.c
+++ b/sysdeps/unix/sysv/linux/sigprocmask.c
@@ -41,11 +41,13 @@ __sigprocmask (how, set, oset)
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
+ int saved_errno = errno;
int result = __syscall_rt_sigprocmask (how, set, oset, _NSIG / 8);
if (result >= 0 || errno != ENOSYS)
return result;
+ __set_errno (saved_errno);
__libc_missing_rt_sigs = 1;
}
diff --git a/sysdeps/unix/sysv/linux/sigsuspend.c b/sysdeps/unix/sysv/linux/sigsuspend.c
index 197015401d..a5d2eb0ad7 100644
--- a/sysdeps/unix/sysv/linux/sigsuspend.c
+++ b/sysdeps/unix/sysv/linux/sigsuspend.c
@@ -40,11 +40,13 @@ __sigsuspend (set)
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
+ int saved_errno = errno;
int result = __syscall_rt_sigsuspend (set, _NSIG / 8);
if (result >= 0 || errno != ENOSYS)
return result;
+ __set_errno (saved_errno);
__libc_missing_rt_sigs = 1;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 18:23:32 +0000