Changeset 5eb5dcf in mainline for uspace/lib/libc
- Timestamp:
- 2010-01-06T20:56:04Z (16 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- fccc236
- Parents:
- 002252a (diff), eca2435 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the(diff)links above to see all the changes relative to each parent. - Location:
- uspace/lib/libc
- Files:
-
- 14 added
- 41 edited
- 2 moved
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Makefile (modified) (1 diff)
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Makefile.build (modified) (4 diffs)
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Makefile.common (modified) (1 diff)
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Makefile.toolchain (modified) (1 diff)
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arch/amd64/Makefile.inc (modified) (1 diff)
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arch/amd64/include/fibril.h (modified) (1 diff)
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arch/amd64/src/entry.s (modified) (1 diff)
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arch/amd64/src/stacktrace.S (added)
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arch/amd64/src/thread_entry.s (modified) (1 diff)
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arch/arm32/Makefile.inc (modified) (1 diff)
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arch/arm32/include/atomic.h (modified) (2 diffs)
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arch/arm32/include/fibril.h (modified) (2 diffs)
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arch/arm32/src/entry.s (modified) (2 diffs)
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arch/arm32/src/stacktrace.S (added)
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arch/arm32/src/syscall.c (modified) (2 diffs)
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arch/arm32/src/thread_entry.s (modified) (1 diff)
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arch/ia32/Makefile.inc (modified) (1 diff)
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arch/ia32/include/fibril.h (modified) (1 diff)
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arch/ia32/src/entry.s (modified) (1 diff)
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arch/ia32/src/stacktrace.S (added)
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arch/ia32/src/thread_entry.s (modified) (1 diff)
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arch/ia64/Makefile.inc (modified) (1 diff)
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arch/ia64/src/stacktrace.S (added)
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arch/mips32/Makefile.inc (modified) (1 diff)
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arch/mips32/src/stacktrace.S (added)
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arch/ppc32/Makefile.inc (modified) (1 diff)
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arch/ppc32/src/entry.s (modified) (1 diff)
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arch/ppc32/src/stacktrace.S (added)
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arch/ppc32/src/thread_entry.s (modified) (1 diff)
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arch/sparc64/Makefile.inc (modified) (1 diff)
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arch/sparc64/include/fibril.h (modified) (1 diff)
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arch/sparc64/src/entry.s (modified) (1 diff)
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arch/sparc64/src/fibril.S (modified) (2 diffs)
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arch/sparc64/src/stacktrace.S (added)
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arch/sparc64/src/thread_entry.s (modified) (1 diff)
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generic/async.c (modified) (1 diff)
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generic/clipboard.c (added)
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generic/devmap.c (modified) (10 diffs)
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generic/fibril_synch.c (moved) (moved from uspace/lib/libc/generic/fibril_sync.c ) (1 diff)
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generic/io/io.c (modified) (1 diff)
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generic/stacktrace.c (added)
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generic/string.c (modified) (2 diffs)
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generic/vfs/vfs.c (modified) (3 diffs)
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include/async.h (modified) (1 diff)
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include/atomicdflt.h (modified) (1 diff)
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include/clipboard.h (added)
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include/devmap.h (modified) (3 diffs)
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include/fibril_synch.h (moved) (moved from uspace/lib/libc/include/fibril_sync.h ) (1 diff)
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include/ipc/char.h (added)
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include/ipc/clipboard.h (added)
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include/ipc/devmap.h (modified) (1 diff)
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include/ipc/mouse.h (added)
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include/ipc/services.h (modified) (2 diffs)
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include/stacktrace.h (added)
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include/stdlib.h (modified) (1 diff)
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include/string.h (modified) (1 diff)
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include/sys/stat.h (modified) (1 diff)
Legend:
- Unmodified
- Added
- Removed
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uspace/lib/libc/Makefile
r002252a r5eb5dcf 33 33 all: ../../../Makefile.config ../../../config.h ../../../config.defs 34 34 -[ -f $(DEPEND) ] && mv -f $(DEPEND) $(DEPEND_PREV) 35 $(MAKE) -f Makefile.build 35 $(MAKE) -f Makefile.build PRECHECK=$(PRECHECK) 36 36 37 37 clean: 38 rm -f $(DEPEND) $(DEPEND_PREV) $( INCLUDE_KERNEL) $(INCLUDE_ARCH) $(INCLUDE_LIBARCH) $(LIBC) arch/*/_link.ld38 rm -f $(DEPEND) $(DEPEND_PREV) $(JOB) $(INCLUDE_KERNEL) $(INCLUDE_ARCH) $(INCLUDE_LIBARCH) $(LIBC) arch/*/_link.ld 39 39 find generic/ arch/*/ -name '*.o' -follow -exec rm \{\} \; -
uspace/lib/libc/Makefile.build
r002252a r5eb5dcf 50 50 generic/as.c \ 51 51 generic/cap.c \ 52 generic/clipboard.c \ 52 53 generic/devmap.c \ 53 54 generic/event.c \ … … 56 57 generic/string.c \ 57 58 generic/fibril.c \ 58 generic/fibril_sync .c \59 generic/fibril_synch.c \ 59 60 generic/pcb.c \ 60 61 generic/smc.c \ … … 86 87 generic/udebug.c \ 87 88 generic/vfs/vfs.c \ 88 generic/vfs/canonify.c 89 generic/vfs/canonify.c \ 90 generic/stacktrace.c 89 91 90 92 ARCH_SOURCES += \ … … 110 112 %.o: %.S $(DEPEND) 111 113 $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ 114 ifeq ($(PRECHECK),y) 115 $(JOBFILE) $(JOB) $< $@ as asm/preproc $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ 116 endif 112 117 113 118 %.o: %.s $(DEPEND) 114 119 $(AS) $(AFLAGS) $< -o $@ 120 ifeq ($(PRECHECK),y) 121 $(JOBFILE) $(JOB) $< $@ as asm $(AFLAGS) 122 endif 115 123 116 124 %.o: %.c $(DEPEND) 117 125 $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ 126 ifeq ($(PRECHECK),y) 127 $(JOBFILE) $(JOB) $< $@ cc core $(DEFS) $(CFLAGS) 128 endif 118 129 119 130 $(DEPEND): $(INCLUDE_KERNEL) $(INCLUDE_ARCH) $(INCLUDE_LIBARCH) -
uspace/lib/libc/Makefile.common
r002252a r5eb5dcf 33 33 DEPEND = Makefile.depend 34 34 DEPEND_PREV = $(DEPEND).prev 35 JOB = libc.job 35 36 LIBC = libc.a 36 37 INCLUDE_KERNEL = include/kernel -
uspace/lib/libc/Makefile.toolchain
r002252a r5eb5dcf 78 78 # 79 79 80 JOBFILE = $(LIBC_PREFIX)/../../../tools/jobfile.py 81 80 82 ifeq ($(COMPILER),gcc_cross) 81 83 CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc -
uspace/lib/libc/arch/amd64/Makefile.inc
r002252a r5eb5dcf 36 36 ARCH_SOURCES += arch/$(UARCH)/src/syscall.S \ 37 37 arch/$(UARCH)/src/fibril.S \ 38 arch/$(UARCH)/src/tls.c 38 arch/$(UARCH)/src/tls.c \ 39 arch/$(UARCH)/src/stacktrace.S 39 40 41 GCC_CFLAGS += -fno-omit-frame-pointer 40 42 LFLAGS += -N 41 43 -
uspace/lib/libc/arch/amd64/include/fibril.h
r002252a r5eb5dcf 44 44 #define SP_DELTA 16 45 45 46 #define context_set(c, _pc, stack, size, ptls) \ 47 do { \ 48 (c)->pc = (sysarg_t) (_pc); \ 49 (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA; \ 50 (c)->tls = (sysarg_t) (ptls); \ 51 (c)->rbp = 0; \ 52 } while (0) 53 46 54 /* We include only registers that must be preserved 47 55 * during function call -
uspace/lib/libc/arch/amd64/src/entry.s
r002252a r5eb5dcf 38 38 # 39 39 __entry: 40 # 41 # Create the first stack frame. 42 # 43 pushq $0 44 mov %rsp, %rbp 45 40 46 # %rdi was deliberately chosen as the first argument is also in %rdi 41 47 # Pass PCB pointer to __main (no operation) -
uspace/lib/libc/arch/amd64/src/thread_entry.s
r002252a r5eb5dcf 36 36 __thread_entry: 37 37 # 38 # Create the first stack frame. 39 # 40 pushq $0 41 movq %rsp, %rbp 42 43 # 38 44 # RAX contains address of uarg 39 45 # -
uspace/lib/libc/arch/arm32/Makefile.inc
r002252a r5eb5dcf 37 37 arch/$(UARCH)/src/fibril.S \ 38 38 arch/$(UARCH)/src/tls.c \ 39 arch/$(UARCH)/src/eabi.S 39 arch/$(UARCH)/src/eabi.S \ 40 arch/$(UARCH)/src/stacktrace.S 40 41 41 GCC_CFLAGS += -ffixed-r9 -mtp=soft 42 GCC_CFLAGS += -ffixed-r9 -mtp=soft -mapcs-frame -fno-omit-frame-pointer 42 43 LFLAGS += -N $(SOFTINT_PREFIX)/libsoftint.a 43 44 -
uspace/lib/libc/arch/arm32/include/atomic.h
r002252a r5eb5dcf 37 37 #define LIBC_arm32_ATOMIC_H_ 38 38 39 #define LIBC_ARCH_ATOMIC_H_ 40 #define CAS 41 42 #include <atomicdflt.h> 39 43 #include <bool.h> 44 #include <sys/types.h> 40 45 41 typedef struct atomic { 42 volatile long count; 43 } atomic_t; 44 45 static inline void atomic_set(atomic_t *val, long i) 46 { 47 val->count = i; 48 } 49 50 static inline long atomic_get(atomic_t *val) 51 { 52 return val->count; 53 } 46 extern uintptr_t *ras_page; 54 47 55 48 static inline bool cas(atomic_t *val, long ov, long nv) 56 49 { 57 /* FIXME: is not atomic */ 58 if (val->count == ov) { 59 val->count = nv; 60 return true; 61 } 62 return false; 50 long ret = 0; 51 52 /* 53 * The following instructions between labels 1 and 2 constitute a 54 * Restartable Atomic Seqeunce. Should the sequence be non-atomic, 55 * the kernel will restart it. 56 */ 57 asm volatile ( 58 "1:\n" 59 " adr %[ret], 1b\n" 60 " str %[ret], %[rp0]\n" 61 " adr %[ret], 2f\n" 62 " str %[ret], %[rp1]\n" 63 " ldr %[ret], %[addr]\n" 64 " cmp %[ret], %[ov]\n" 65 " streq %[nv], %[addr]\n" 66 "2:\n" 67 " moveq %[ret], #1\n" 68 " movne %[ret], #0\n" 69 : [ret] "+&r" (ret), 70 [rp0] "=m" (ras_page[0]), 71 [rp1] "=m" (ras_page[1]), 72 [addr] "+m" (val->count) 73 : [ov] "r" (ov), 74 [nv] "r" (nv) 75 : "memory" 76 ); 77 78 ras_page[0] = 0; 79 asm volatile ("" ::: "memory"); 80 ras_page[1] = 0xffffffff; 81 82 return (bool) ret; 63 83 } 64 84 … … 72 92 static inline long atomic_add(atomic_t *val, int i) 73 93 { 74 int ret; 75 volatile long * mem = &(val->count); 94 long ret = 0; 76 95 77 /* FIXME: is not atomic, is broken */ 96 /* 97 * The following instructions between labels 1 and 2 constitute a 98 * Restartable Atomic Seqeunce. Should the sequence be non-atomic, 99 * the kernel will restart it. 100 */ 78 101 asm volatile ( 79 "1:\n" 80 "ldr r2, [%1]\n" 81 "add r3, r2, %2\n" 82 "str r3, %0\n" 83 "swp r3, r3, [%1]\n" 84 "cmp r3, r2\n" 85 "bne 1b\n" 102 "1:\n" 103 " adr %[ret], 1b\n" 104 " str %[ret], %[rp0]\n" 105 " adr %[ret], 2f\n" 106 " str %[ret], %[rp1]\n" 107 " ldr %[ret], %[addr]\n" 108 " add %[ret], %[ret], %[imm]\n" 109 " str %[ret], %[addr]\n" 110 "2:\n" 111 : [ret] "+&r" (ret), 112 [rp0] "=m" (ras_page[0]), 113 [rp1] "=m" (ras_page[1]), 114 [addr] "+m" (val->count) 115 : [imm] "r" (i) 116 ); 86 117 87 : "=m" (ret) 88 : "r" (mem), "r" (i) 89 : "r3", "r2" 90 ); 118 ras_page[0] = 0; 119 asm volatile ("" ::: "memory"); 120 ras_page[1] = 0xffffffff; 91 121 92 122 return ret; -
uspace/lib/libc/arch/arm32/include/fibril.h
r002252a r5eb5dcf 58 58 * @param ptls Pointer to the TCB. 59 59 */ 60 #define context_set(c, _pc, stack, size, ptls) \ 61 (c)->pc = (sysarg_t) (_pc); \ 62 (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA; \ 63 (c)->tls = ((sysarg_t)(ptls)) + sizeof(tcb_t) + ARM_TP_OFFSET; 64 60 #define context_set(c, _pc, stack, size, ptls) \ 61 do { \ 62 (c)->pc = (sysarg_t) (_pc); \ 63 (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA; \ 64 (c)->tls = ((sysarg_t)(ptls)) + sizeof(tcb_t) + ARM_TP_OFFSET; \ 65 (c)->fp = 0; \ 66 } while (0) 65 67 66 68 /** Fibril context. … … 79 81 uint32_t r7; 80 82 uint32_t r8; 81 uint32_t tls; 83 uint32_t tls; /* r9 */ 82 84 uint32_t r10; 83 uint32_t r11;85 uint32_t fp; /* r11 */ 84 86 } context_t; 85 87 -
uspace/lib/libc/arch/arm32/src/entry.s
r002252a r5eb5dcf 36 36 # 37 37 # r1 contains the PCB pointer 38 # r2 contains the RAS page address 38 39 # 39 40 __entry: 41 # Store the RAS page address into the ras_page variable 42 ldr r0, =ras_page 43 str r2, [r0] 44 45 # 46 # Create the first stack frame. 47 # 48 mov fp, #0 49 mov ip, sp 50 push {fp, ip, lr, pc} 51 sub fp, ip, #4 52 40 53 # Pass pcb_ptr to __main as the first argument (in r0) 41 54 mov r0, r1 … … 43 56 44 57 bl __exit 58 59 .data 60 61 .global ras_page 62 ras_page: 63 .long 0 64 -
uspace/lib/libc/arch/arm32/src/syscall.c
r002252a r5eb5dcf 60 60 register sysarg_t __arm_reg_r5 asm("r5") = p6; 61 61 register sysarg_t __arm_reg_r6 asm("r6") = id; 62 63 asm volatile ( "swi" 62 63 asm volatile ( 64 "swi 0" 64 65 : "=r" (__arm_reg_r0) 65 66 : "r" (__arm_reg_r0), … … 71 72 "r" (__arm_reg_r6) 72 73 ); 73 74 74 75 return __arm_reg_r0; 75 76 } -
uspace/lib/libc/arch/arm32/src/thread_entry.s
r002252a r5eb5dcf 35 35 # 36 36 __thread_entry: 37 # 38 # Create the first stack frame. 39 # 40 mov fp, #0 41 mov ip, sp 42 push {fp, ip, lr, pc} 43 sub fp, ip, #4 44 37 45 b __thread_main -
uspace/lib/libc/arch/ia32/Makefile.inc
r002252a r5eb5dcf 37 37 arch/$(UARCH)/src/fibril.S \ 38 38 arch/$(UARCH)/src/tls.c \ 39 arch/$(UARCH)/src/setjmp.S 39 arch/$(UARCH)/src/setjmp.S \ 40 arch/$(UARCH)/src/stacktrace.S 40 41 41 42 GCC_CFLAGS += -march=pentium -
uspace/lib/libc/arch/ia32/include/fibril.h
r002252a r5eb5dcf 44 44 #define SP_DELTA (12) 45 45 46 #define context_set(c, _pc, stack, size, ptls) \ 47 do { \ 48 (c)->pc = (sysarg_t) (_pc); \ 49 (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA; \ 50 (c)->tls = (sysarg_t) (ptls); \ 51 (c)->ebp = 0; \ 52 } while (0) 53 46 54 /* We include only registers that must be preserved 47 55 * during function call -
uspace/lib/libc/arch/ia32/src/entry.s
r002252a r5eb5dcf 55 55 movl $__syscall_fast, (%eax) 56 56 0: 57 # 58 # Create the first stack frame. 59 # 60 pushl $0 61 movl %esp, %ebp 57 62 58 63 # Pass the PCB pointer to __main as the first argument -
uspace/lib/libc/arch/ia32/src/thread_entry.s
r002252a r5eb5dcf 42 42 43 43 # 44 # Create the first stack frame. 45 # 46 pushl $0 47 mov %esp, %ebp 48 49 # 44 50 # EAX contains address of uarg. 45 51 # -
uspace/lib/libc/arch/ia64/Makefile.inc
r002252a r5eb5dcf 36 36 arch/$(UARCH)/src/fibril.S \ 37 37 arch/$(UARCH)/src/tls.c \ 38 arch/$(UARCH)/src/ddi.c 38 arch/$(UARCH)/src/ddi.c \ 39 arch/$(UARCH)/src/stacktrace.S 39 40 40 41 GCC_CFLAGS += -fno-unwind-tables -
uspace/lib/libc/arch/mips32/Makefile.inc
r002252a r5eb5dcf 35 35 ARCH_SOURCES += arch/$(UARCH)/src/syscall.c \ 36 36 arch/$(UARCH)/src/fibril.S \ 37 arch/$(UARCH)/src/tls.c 37 arch/$(UARCH)/src/tls.c \ 38 arch/$(UARCH)/src/stacktrace.S 38 39 39 40 GCC_CFLAGS += -mips3 -
uspace/lib/libc/arch/ppc32/Makefile.inc
r002252a r5eb5dcf 35 35 ARCH_SOURCES += arch/$(UARCH)/src/syscall.c \ 36 36 arch/$(UARCH)/src/fibril.S \ 37 arch/$(UARCH)/src/tls.c 37 arch/$(UARCH)/src/tls.c \ 38 arch/$(UARCH)/src/stacktrace.S 38 39 39 40 GCC_CFLAGS += -mcpu=powerpc -msoft-float -m32 -
uspace/lib/libc/arch/ppc32/src/entry.s
r002252a r5eb5dcf 38 38 # 39 39 __entry: 40 # 41 # Create the first stack frame. 42 # 43 li %r3, 0 44 stw %r3, 0(%r1) 45 stwu %r1, -16(%r1) 46 40 47 # Pass the PCB pointer to __main() as the first argument. 41 48 # The first argument is passed in r3. -
uspace/lib/libc/arch/ppc32/src/thread_entry.s
r002252a r5eb5dcf 35 35 # 36 36 __thread_entry: 37 # 38 # Create the first stack frame. 39 # 40 li %r4, 0 41 stw %r4, 0(%r1) 42 stwu %r1, -16(%r1) 43 37 44 b __thread_main 38 45 -
uspace/lib/libc/arch/sparc64/Makefile.inc
r002252a r5eb5dcf 34 34 35 35 ARCH_SOURCES += arch/$(UARCH)/src/fibril.S \ 36 arch/$(UARCH)/src/tls.c 36 arch/$(UARCH)/src/tls.c \ 37 arch/$(UARCH)/src/stacktrace.S 37 38 38 39 GCC_CFLAGS += -mcpu=ultrasparc -m64 -
uspace/lib/libc/arch/sparc64/include/fibril.h
r002252a r5eb5dcf 46 46 #endif 47 47 48 #define context_set(c, _pc, stack, size, ptls) \ 49 (c)->pc = ((uintptr_t) _pc) - 8; \ 50 (c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), \ 51 STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA); \ 52 (c)->fp = -STACK_BIAS; \ 53 (c)->tp = ptls 48 #define context_set(c, _pc, stack, size, ptls) \ 49 do { \ 50 (c)->pc = ((uintptr_t) _pc) - 8; \ 51 (c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), \ 52 STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA); \ 53 (c)->fp = -STACK_BIAS; \ 54 (c)->tp = ptls; \ 55 } while (0) 54 56 55 57 /* -
uspace/lib/libc/arch/sparc64/src/entry.s
r002252a r5eb5dcf 39 39 # 40 40 __entry: 41 # 42 # Create the first stack frame. 43 # 44 save %sp, -176, %sp 45 flushw 46 add %g0, -0x7ff, %fp 47 41 48 # Pass pcb_ptr as the first argument to __main() 42 mov % o1, %o049 mov %i1, %o0 43 50 sethi %hi(_gp), %l7 44 51 call __main -
uspace/lib/libc/arch/sparc64/src/fibril.S
r002252a r5eb5dcf 35 35 36 36 context_save: 37 # 38 # We rely on the kernel to flush our active register windows to memory 39 # should a thread switch occur. 40 # 37 41 CONTEXT_SAVE_ARCH_CORE %o0 38 42 retl … … 42 46 # 43 47 # Flush all active windows. 44 # This is essential, because CONTEXT_LOAD overwrites 45 # %sp of CWP - 1 with the value written to %fp of CWP. 46 # Flushing all active windows mitigates this problem 47 # as CWP - 1 becomes the overlap window. 48 # 48 # This is essential, because CONTEXT_RESTORE_ARCH_CORE overwrites %sp of 49 # CWP - 1 with the value written to %fp of CWP. Flushing all active 50 # windows mitigates this problem as CWP - 1 becomes the overlap window. 51 # 49 52 flushw 50 53 -
uspace/lib/libc/arch/sparc64/src/thread_entry.s
r002252a r5eb5dcf 35 35 # 36 36 __thread_entry: 37 # 38 # Create the first stack frame. 39 # 40 save %sp, -176, %sp 41 flushw 42 add %g0, -0x7ff, %fp 43 37 44 sethi %hi(_gp), %l7 38 45 call __thread_main ! %o0 contains address of uarg -
uspace/lib/libc/generic/async.c
r002252a r5eb5dcf 1345 1345 } 1346 1346 1347 /** Wrapper for receiving blobs via the async_data_write_* 1348 * 1349 * This wrapper only makes it more comfortable to use async_data_write_* 1350 * functions to receive blobs. 1351 * 1352 * @param blob Pointer to data pointer (which should be later disposed 1353 * by free()). If the operation fails, the pointer is not 1354 * touched. 1355 * @param max_size Maximum size (in bytes) of the blob to receive. 0 means 1356 * no limit. 1357 * @param received If not NULL, the size of the received data is stored here. 1358 * 1359 * @return Zero on success or a value from @ref errno.h on failure. 1360 * 1361 */ 1362 int async_data_blob_receive(char **blob, const size_t max_size, size_t *received) 1363 { 1364 ipc_callid_t callid; 1365 size_t size; 1366 if (!async_data_write_receive(&callid, &size)) { 1367 ipc_answer_0(callid, EINVAL); 1368 return EINVAL; 1369 } 1370 1371 if ((max_size > 0) && (size > max_size)) { 1372 ipc_answer_0(callid, EINVAL); 1373 return EINVAL; 1374 } 1375 1376 char *data = (char *) malloc(size); 1377 if (data == NULL) { 1378 ipc_answer_0(callid, ENOMEM); 1379 return ENOMEM; 1380 } 1381 1382 int rc = async_data_write_finalize(callid, data, size); 1383 if (rc != EOK) { 1384 free(data); 1385 return rc; 1386 } 1387 1388 *blob = data; 1389 if (received != NULL) 1390 *received = size; 1391 1392 return EOK; 1393 } 1394 1395 /** Wrapper for receiving strings via the async_data_write_* 1396 * 1397 * This wrapper only makes it more comfortable to use async_data_write_* 1398 * functions to receive strings. 1399 * 1400 * @param str Pointer to string pointer (which should be later disposed 1401 * by free()). If the operation fails, the pointer is not 1402 * touched. 1403 * @param max_size Maximum size (in bytes) of the string to receive. 0 means 1404 * no limit. 1405 * 1406 * @return Zero on success or a value from @ref errno.h on failure. 1407 * 1408 */ 1409 int async_data_string_receive(char **str, const size_t max_size) 1410 { 1411 ipc_callid_t callid; 1412 size_t size; 1413 if (!async_data_write_receive(&callid, &size)) { 1414 ipc_answer_0(callid, EINVAL); 1415 return EINVAL; 1416 } 1417 1418 if ((max_size > 0) && (size > max_size)) { 1419 ipc_answer_0(callid, EINVAL); 1420 return EINVAL; 1421 } 1422 1423 char *data = (char *) malloc(size + 1); 1424 if (data == NULL) { 1425 ipc_answer_0(callid, ENOMEM); 1426 return ENOMEM; 1427 } 1428 1429 int rc = async_data_write_finalize(callid, data, size); 1430 if (rc != EOK) { 1431 free(data); 1432 return rc; 1433 } 1434 1435 data[size] = 0; 1436 *str = data; 1437 return EOK; 1438 } 1439 1347 1440 /** @} 1348 1441 */ -
uspace/lib/libc/generic/devmap.c
r002252a r5eb5dcf 35 35 #include <async.h> 36 36 #include <errno.h> 37 #include <malloc.h> 38 #include <bool.h> 37 39 38 40 static int devmap_phone_driver = -1; … … 105 107 aid_t req = async_send_2(phone, DEVMAP_DRIVER_REGISTER, 0, 0, &answer); 106 108 107 ipcarg_t retval = async_data_write_start(phone, name, str_size(name) + 1); 108 109 ipcarg_t retval = async_data_write_start(phone, name, str_size(name)); 109 110 if (retval != EOK) { 110 111 async_wait_for(req, NULL); … … 126 127 /** Register new device. 127 128 * 128 * @param name Device name. 129 * @param handle Output: Handle to the created instance of device. 129 * @param namespace Namespace name. 130 * @param fqdn Fully qualified device name. 131 * @param handle Output: Handle to the created instance of device. 130 132 * 131 133 */ 132 int devmap_device_register(const char * name, dev_handle_t *handle)134 int devmap_device_register(const char *fqdn, dev_handle_t *handle) 133 135 { 134 136 int phone = devmap_get_phone(DEVMAP_DRIVER, IPC_FLAG_BLOCKING); … … 143 145 &answer); 144 146 145 ipcarg_t retval = async_data_write_start(phone, name, str_size(name) + 1); 146 147 ipcarg_t retval = async_data_write_start(phone, fqdn, str_size(fqdn)); 147 148 if (retval != EOK) { 148 149 async_wait_for(req, NULL); … … 167 168 } 168 169 169 int devmap_device_get_handle(const char * name, dev_handle_t *handle, unsigned int flags)170 int devmap_device_get_handle(const char *fqdn, dev_handle_t *handle, unsigned int flags) 170 171 { 171 172 int phone = devmap_get_phone(DEVMAP_CLIENT, flags); … … 180 181 &answer); 181 182 182 ipcarg_t retval = async_data_write_start(phone, name, str_size(name) + 1); 183 183 ipcarg_t retval = async_data_write_start(phone, fqdn, str_size(fqdn)); 184 184 if (retval != EOK) { 185 185 async_wait_for(req, NULL); … … 202 202 203 203 return retval; 204 } 205 206 int devmap_namespace_get_handle(const char *name, dev_handle_t *handle, unsigned int flags) 207 { 208 int phone = devmap_get_phone(DEVMAP_CLIENT, flags); 209 210 if (phone < 0) 211 return phone; 212 213 async_serialize_start(); 214 215 ipc_call_t answer; 216 aid_t req = async_send_2(phone, DEVMAP_NAMESPACE_GET_HANDLE, flags, 0, 217 &answer); 218 219 ipcarg_t retval = async_data_write_start(phone, name, str_size(name)); 220 if (retval != EOK) { 221 async_wait_for(req, NULL); 222 async_serialize_end(); 223 return retval; 224 } 225 226 async_wait_for(req, &retval); 227 228 async_serialize_end(); 229 230 if (retval != EOK) { 231 if (handle != NULL) 232 *handle = (dev_handle_t) -1; 233 return retval; 234 } 235 236 if (handle != NULL) 237 *handle = (dev_handle_t) IPC_GET_ARG1(answer); 238 239 return retval; 240 } 241 242 devmap_handle_type_t devmap_handle_probe(dev_handle_t handle) 243 { 244 int phone = devmap_get_phone(DEVMAP_CLIENT, IPC_FLAG_BLOCKING); 245 246 if (phone < 0) 247 return phone; 248 249 ipcarg_t type; 250 int retval = async_req_1_1(phone, DEVMAP_HANDLE_PROBE, handle, &type); 251 if (retval != EOK) 252 return DEV_HANDLE_NONE; 253 254 return (devmap_handle_type_t) type; 204 255 } 205 256 … … 227 278 228 279 ipcarg_t null_id; 229 int retval = async_req_0_1(phone, DEVMAP_ DEVICE_NULL_CREATE, &null_id);280 int retval = async_req_0_1(phone, DEVMAP_NULL_CREATE, &null_id); 230 281 if (retval != EOK) 231 282 return -1; … … 241 292 return; 242 293 243 async_req_1_0(phone, DEVMAP_DEVICE_NULL_DESTROY, (ipcarg_t) null_id); 244 } 245 246 ipcarg_t devmap_device_get_count(void) 247 { 248 int phone = devmap_get_phone(DEVMAP_CLIENT, IPC_FLAG_BLOCKING); 249 250 if (phone < 0) 251 return 0; 252 294 async_req_1_0(phone, DEVMAP_NULL_DESTROY, (ipcarg_t) null_id); 295 } 296 297 static size_t devmap_count_namespaces_internal(int phone) 298 { 253 299 ipcarg_t count; 254 int retval = async_req_0_1(phone, DEVMAP_ DEVICE_GET_COUNT, &count);300 int retval = async_req_0_1(phone, DEVMAP_GET_NAMESPACE_COUNT, &count); 255 301 if (retval != EOK) 256 302 return 0; … … 259 305 } 260 306 261 ipcarg_t devmap_device_get_devices(ipcarg_t count, dev_desc_t *data) 262 { 263 int phone = devmap_get_phone(DEVMAP_CLIENT, IPC_FLAG_BLOCKING); 264 265 if (phone < 0) 266 return 0; 267 268 async_serialize_start(); 269 270 ipc_call_t answer; 271 aid_t req = async_send_0(phone, DEVMAP_DEVICE_GET_DEVICES, &answer); 272 273 ipcarg_t retval = async_data_read_start(phone, data, count * sizeof(dev_desc_t)); 274 275 if (retval != EOK) { 276 async_wait_for(req, NULL); 277 async_serialize_end(); 278 return 0; 279 } 280 281 async_wait_for(req, &retval); 282 283 async_serialize_end(); 284 307 static size_t devmap_count_devices_internal(int phone, dev_handle_t ns_handle) 308 { 309 ipcarg_t count; 310 int retval = async_req_1_1(phone, DEVMAP_GET_DEVICE_COUNT, ns_handle, &count); 285 311 if (retval != EOK) 286 312 return 0; 287 313 288 return IPC_GET_ARG1(answer); 289 } 314 return count; 315 } 316 317 size_t devmap_count_namespaces(void) 318 { 319 int phone = devmap_get_phone(DEVMAP_CLIENT, IPC_FLAG_BLOCKING); 320 321 if (phone < 0) 322 return 0; 323 324 return devmap_count_namespaces_internal(phone); 325 } 326 327 size_t devmap_count_devices(dev_handle_t ns_handle) 328 { 329 int phone = devmap_get_phone(DEVMAP_CLIENT, IPC_FLAG_BLOCKING); 330 331 if (phone < 0) 332 return 0; 333 334 return devmap_count_devices_internal(phone, ns_handle); 335 } 336 337 size_t devmap_get_namespaces(dev_desc_t **data) 338 { 339 int phone = devmap_get_phone(DEVMAP_CLIENT, IPC_FLAG_BLOCKING); 340 341 if (phone < 0) 342 return 0; 343 344 /* Loop until namespaces read succesful */ 345 while (true) { 346 size_t count = devmap_count_namespaces_internal(phone); 347 if (count == 0) 348 return 0; 349 350 dev_desc_t *devs = (dev_desc_t *) calloc(count, sizeof(dev_desc_t)); 351 if (devs == NULL) 352 return 0; 353 354 async_serialize_start(); 355 356 ipc_call_t answer; 357 aid_t req = async_send_0(phone, DEVMAP_GET_NAMESPACES, &answer); 358 359 int rc = async_data_read_start(phone, devs, count * sizeof(dev_desc_t)); 360 if (rc == EOVERFLOW) { 361 /* 362 * Number of namespaces has changed since 363 * the last call of DEVMAP_DEVICE_GET_NAMESPACE_COUNT 364 */ 365 async_serialize_end(); 366 free(devs); 367 continue; 368 } 369 370 if (rc != EOK) { 371 async_wait_for(req, NULL); 372 async_serialize_end(); 373 free(devs); 374 return 0; 375 } 376 377 ipcarg_t retval; 378 async_wait_for(req, &retval); 379 async_serialize_end(); 380 381 if (retval != EOK) 382 return 0; 383 384 *data = devs; 385 return count; 386 } 387 } 388 389 size_t devmap_get_devices(dev_handle_t ns_handle, dev_desc_t **data) 390 { 391 int phone = devmap_get_phone(DEVMAP_CLIENT, IPC_FLAG_BLOCKING); 392 393 if (phone < 0) 394 return 0; 395 396 /* Loop until namespaces read succesful */ 397 while (true) { 398 size_t count = devmap_count_devices_internal(phone, ns_handle); 399 if (count == 0) 400 return 0; 401 402 dev_desc_t *devs = (dev_desc_t *) calloc(count, sizeof(dev_desc_t)); 403 if (devs == NULL) 404 return 0; 405 406 async_serialize_start(); 407 408 ipc_call_t answer; 409 aid_t req = async_send_1(phone, DEVMAP_GET_DEVICES, ns_handle, &answer); 410 411 int rc = async_data_read_start(phone, devs, count * sizeof(dev_desc_t)); 412 if (rc == EOVERFLOW) { 413 /* 414 * Number of devices has changed since 415 * the last call of DEVMAP_DEVICE_GET_DEVICE_COUNT 416 */ 417 async_serialize_end(); 418 free(devs); 419 continue; 420 } 421 422 if (rc != EOK) { 423 async_wait_for(req, NULL); 424 async_serialize_end(); 425 free(devs); 426 return 0; 427 } 428 429 ipcarg_t retval; 430 async_wait_for(req, &retval); 431 async_serialize_end(); 432 433 if (retval != EOK) 434 return 0; 435 436 *data = devs; 437 return count; 438 } 439 } -
uspace/lib/libc/generic/fibril_synch.c
r002252a r5eb5dcf 33 33 */ 34 34 35 #include <fibril_sync .h>35 #include <fibril_synch.h> 36 36 #include <fibril.h> 37 37 #include <async.h> -
uspace/lib/libc/generic/io/io.c
r002252a r5eb5dcf 494 494 495 495 if (chr_encode(c, buf, &sz, STR_BOUNDS(1)) == EOK) { 496 size_t wr = fwrite(buf, sz, 1, stream);496 size_t wr = fwrite(buf, 1, sz, stream); 497 497 498 498 if (wr < sz) -
uspace/lib/libc/generic/string.c
r002252a r5eb5dcf 896 896 } 897 897 898 char *str_dup(const char *src) 899 { 900 size_t size = str_size(src); 901 void *dest = malloc(size + 1); 902 903 if (dest == NULL) 904 return (char *) NULL; 905 906 return (char *) memcpy(dest, src, size + 1); 907 } 908 909 char *str_ndup(const char *src, size_t max_size) 910 { 911 size_t size = str_size(src); 912 if (size > max_size) 913 size = max_size; 914 915 char *dest = (char *) malloc(size + 1); 916 917 if (dest == NULL) 918 return (char *) NULL; 919 920 memcpy(dest, src, size); 921 dest[size] = 0; 922 return dest; 923 } 924 898 925 899 926 /** Convert initial part of string to unsigned long according to given base. … … 920 947 } 921 948 922 char *str_dup(const char *src)923 {924 size_t size = str_size(src);925 void *dest = malloc(size + 1);926 927 if (dest == NULL)928 return (char *) NULL;929 930 return (char *) memcpy(dest, src, size + 1);931 }932 933 949 char *strtok(char *s, const char *delim) 934 950 { -
uspace/lib/libc/generic/vfs/vfs.c
r002252a r5eb5dcf 117 117 } 118 118 119 int mount(const char *fs_name, const char *mp, const char * dev,119 int mount(const char *fs_name, const char *mp, const char *fqdn, 120 120 const char *opts, unsigned int flags) 121 121 { … … 126 126 dev_handle_t dev_handle; 127 127 128 res = devmap_device_get_handle( dev, &dev_handle, flags);128 res = devmap_device_get_handle(fqdn, &dev_handle, flags); 129 129 if (res != EOK) 130 130 return res; … … 703 703 rc = fstat(fildes, &stat); 704 704 705 if (!stat.dev fs_stat.device)705 if (!stat.device) 706 706 return -1; 707 707 708 return devmap_device_connect(stat.dev fs_stat.device, 0);708 return devmap_device_connect(stat.device, 0); 709 709 } 710 710 -
uspace/lib/libc/include/async.h
r002252a r5eb5dcf 284 284 extern int async_data_write_finalize(ipc_callid_t, void *, size_t); 285 285 286 extern int async_data_blob_receive(char **, const size_t, size_t *); 287 extern int async_data_string_receive(char **, const size_t); 288 286 289 #endif 287 290 -
uspace/lib/libc/include/atomicdflt.h
r002252a r5eb5dcf 56 56 } 57 57 58 #ifndef CAS 58 59 static inline bool cas(atomic_t *val, long ov, long nv) 59 60 { 60 61 return __sync_bool_compare_and_swap(&val->count, ov, nv); 61 62 } 63 #endif 62 64 63 65 #endif -
uspace/lib/libc/include/devmap.h
r002252a r5eb5dcf 38 38 #include <ipc/devmap.h> 39 39 #include <async.h> 40 #include <bool.h> 40 41 41 42 extern int devmap_get_phone(devmap_interface_t, unsigned int); … … 46 47 47 48 extern int devmap_device_get_handle(const char *, dev_handle_t *, unsigned int); 49 extern int devmap_namespace_get_handle(const char *, dev_handle_t *, unsigned int); 50 extern devmap_handle_type_t devmap_handle_probe(dev_handle_t); 51 48 52 extern int devmap_device_connect(dev_handle_t, unsigned int); 49 53 … … 51 55 extern void devmap_null_destroy(int); 52 56 53 extern ipcarg_t devmap_device_get_count(void); 54 extern ipcarg_t devmap_device_get_devices(ipcarg_t, dev_desc_t *); 57 extern size_t devmap_count_namespaces(void); 58 extern size_t devmap_count_devices(dev_handle_t); 59 60 extern size_t devmap_get_namespaces(dev_desc_t **); 61 extern size_t devmap_get_devices(dev_handle_t, dev_desc_t **); 55 62 56 63 #endif -
uspace/lib/libc/include/fibril_synch.h
r002252a r5eb5dcf 33 33 */ 34 34 35 #ifndef LIBC_FIBRIL_SYNC _H_36 #define LIBC_FIBRIL_SYNC _H_35 #ifndef LIBC_FIBRIL_SYNCH_H_ 36 #define LIBC_FIBRIL_SYNCH_H_ 37 37 38 38 #include <async.h> -
uspace/lib/libc/include/ipc/devmap.h
r002252a r5eb5dcf 43 43 44 44 typedef enum { 45 DEV_HANDLE_NONE, 46 DEV_HANDLE_NAMESPACE, 47 DEV_HANDLE_DEVICE 48 } devmap_handle_type_t; 49 50 typedef enum { 45 51 DEVMAP_DRIVER_REGISTER = IPC_FIRST_USER_METHOD, 46 52 DEVMAP_DRIVER_UNREGISTER, 47 53 DEVMAP_DEVICE_REGISTER, 48 54 DEVMAP_DEVICE_UNREGISTER, 49 DEVMAP_DEVICE_GET_NAME,50 55 DEVMAP_DEVICE_GET_HANDLE, 51 DEVMAP_DEVICE_NULL_CREATE, 52 DEVMAP_DEVICE_NULL_DESTROY, 53 DEVMAP_DEVICE_GET_COUNT, 54 DEVMAP_DEVICE_GET_DEVICES 56 DEVMAP_NAMESPACE_GET_HANDLE, 57 DEVMAP_HANDLE_PROBE, 58 DEVMAP_NULL_CREATE, 59 DEVMAP_NULL_DESTROY, 60 DEVMAP_GET_NAMESPACE_COUNT, 61 DEVMAP_GET_DEVICE_COUNT, 62 DEVMAP_GET_NAMESPACES, 63 DEVMAP_GET_DEVICES 55 64 } devmap_request_t; 56 65 -
uspace/lib/libc/include/ipc/services.h
r002252a r5eb5dcf 41 41 SERVICE_LOAD = 1, 42 42 SERVICE_PCI, 43 SERVICE_KEYBOARD,44 43 SERVICE_VIDEO, 45 44 SERVICE_CONSOLE, … … 47 46 SERVICE_DEVMAP, 48 47 SERVICE_FHC, 49 SERVICE_OBIO 48 SERVICE_OBIO, 49 SERVICE_CLIPBOARD 50 50 } services_t; 51 51 -
uspace/lib/libc/include/stdlib.h
r002252a r5eb5dcf 38 38 #include <unistd.h> 39 39 #include <malloc.h> 40 #include <stacktrace.h> 40 41 41 #define abort() _exit(1) 42 #define abort() \ 43 do { \ 44 stack_trace(); \ 45 _exit(1); \ 46 } while (0) 47 42 48 #define exit(status) _exit((status)) 43 49 -
uspace/lib/libc/include/string.h
r002252a r5eb5dcf 84 84 85 85 extern char *str_dup(const char *); 86 extern char *str_ndup(const char *, size_t max_size); 86 87 87 88 /* -
uspace/lib/libc/include/sys/stat.h
r002252a r5eb5dcf 42 42 43 43 struct stat { 44 fs_handle_t fs_handle; 45 dev_handle_t dev_handle; 46 fs_index_t index; 47 unsigned lnkcnt; 48 bool is_file; 49 off_t size; 50 union { 51 struct { 52 dev_handle_t device; 53 } devfs_stat; 54 }; 44 fs_handle_t fs_handle; 45 dev_handle_t dev_handle; 46 fs_index_t index; 47 unsigned int lnkcnt; 48 bool is_file; 49 bool is_directory; 50 off_t size; 51 dev_handle_t device; 55 52 }; 56 53
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