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-rw-r--r--src/pkg/runtime/linux/arm/defs.h27
-rw-r--r--src/pkg/runtime/linux/arm/rt0.s2
-rw-r--r--src/pkg/runtime/linux/arm/signal.c118
-rw-r--r--src/pkg/runtime/linux/arm/sys.s47
4 files changed, 99 insertions, 95 deletions
diff --git a/src/pkg/runtime/linux/arm/defs.h b/src/pkg/runtime/linux/arm/defs.h
index b13985171..ff43d689a 100644
--- a/src/pkg/runtime/linux/arm/defs.h
+++ b/src/pkg/runtime/linux/arm/defs.h
@@ -10,6 +10,7 @@ enum {
PROT_EXEC = 0x4,
MAP_ANON = 0x20,
MAP_PRIVATE = 0x2,
+ MAP_FIXED = 0x10,
SA_RESTART = 0x10000000,
SA_ONSTACK = 0x8000000,
SA_RESTORER = 0x4000000,
@@ -44,19 +45,19 @@ enum {
SIGIO = 0x1d,
SIGPWR = 0x1e,
SIGSYS = 0x1f,
- FPE_INTDIV = 0x30001,
- FPE_INTOVF = 0x30002,
- FPE_FLTDIV = 0x30003,
- FPE_FLTOVF = 0x30004,
- FPE_FLTUND = 0x30005,
- FPE_FLTRES = 0x30006,
- FPE_FLTINV = 0x30007,
- FPE_FLTSUB = 0x30008,
- BUS_ADRALN = 0x30001,
- BUS_ADRERR = 0x30002,
- BUS_OBJERR = 0x30003,
- SEGV_MAPERR = 0x30001,
- SEGV_ACCERR = 0x30002,
+ FPE_INTDIV = 0x1,
+ FPE_INTOVF = 0x2,
+ FPE_FLTDIV = 0x3,
+ FPE_FLTOVF = 0x4,
+ FPE_FLTUND = 0x5,
+ FPE_FLTRES = 0x6,
+ FPE_FLTINV = 0x7,
+ FPE_FLTSUB = 0x8,
+ BUS_ADRALN = 0x1,
+ BUS_ADRERR = 0x2,
+ BUS_OBJERR = 0x3,
+ SEGV_MAPERR = 0x1,
+ SEGV_ACCERR = 0x2,
};
// Types
diff --git a/src/pkg/runtime/linux/arm/rt0.s b/src/pkg/runtime/linux/arm/rt0.s
index 024547ddd..8838b4891 100644
--- a/src/pkg/runtime/linux/arm/rt0.s
+++ b/src/pkg/runtime/linux/arm/rt0.s
@@ -2,5 +2,5 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-TEXT _rt0_arm_linux(SB),7,$0
+TEXT _rt0_arm_linux(SB),7,$0
B _rt0_arm(SB)
diff --git a/src/pkg/runtime/linux/arm/signal.c b/src/pkg/runtime/linux/arm/signal.c
index a9dccae4a..c65aff913 100644
--- a/src/pkg/runtime/linux/arm/signal.c
+++ b/src/pkg/runtime/linux/arm/signal.c
@@ -8,49 +8,49 @@
#include "os.h"
void
-dumpregs(Sigcontext *r)
+runtime·dumpregs(Sigcontext *r)
{
- printf("trap %x\n", r->trap_no);
- printf("error %x\n", r->error_code);
- printf("oldmask %x\n", r->oldmask);
- printf("r0 %x\n", r->arm_r0);
- printf("r1 %x\n", r->arm_r1);
- printf("r2 %x\n", r->arm_r2);
- printf("r3 %x\n", r->arm_r3);
- printf("r4 %x\n", r->arm_r4);
- printf("r5 %x\n", r->arm_r5);
- printf("r6 %x\n", r->arm_r6);
- printf("r7 %x\n", r->arm_r7);
- printf("r8 %x\n", r->arm_r8);
- printf("r9 %x\n", r->arm_r9);
- printf("r10 %x\n", r->arm_r10);
- printf("fp %x\n", r->arm_fp);
- printf("ip %x\n", r->arm_ip);
- printf("sp %x\n", r->arm_sp);
- printf("lr %x\n", r->arm_lr);
- printf("pc %x\n", r->arm_pc);
- printf("cpsr %x\n", r->arm_cpsr);
- printf("fault %x\n", r->fault_address);
+ runtime·printf("trap %x\n", r->trap_no);
+ runtime·printf("error %x\n", r->error_code);
+ runtime·printf("oldmask %x\n", r->oldmask);
+ runtime·printf("r0 %x\n", r->arm_r0);
+ runtime·printf("r1 %x\n", r->arm_r1);
+ runtime·printf("r2 %x\n", r->arm_r2);
+ runtime·printf("r3 %x\n", r->arm_r3);
+ runtime·printf("r4 %x\n", r->arm_r4);
+ runtime·printf("r5 %x\n", r->arm_r5);
+ runtime·printf("r6 %x\n", r->arm_r6);
+ runtime·printf("r7 %x\n", r->arm_r7);
+ runtime·printf("r8 %x\n", r->arm_r8);
+ runtime·printf("r9 %x\n", r->arm_r9);
+ runtime·printf("r10 %x\n", r->arm_r10);
+ runtime·printf("fp %x\n", r->arm_fp);
+ runtime·printf("ip %x\n", r->arm_ip);
+ runtime·printf("sp %x\n", r->arm_sp);
+ runtime·printf("lr %x\n", r->arm_lr);
+ runtime·printf("pc %x\n", r->arm_pc);
+ runtime·printf("cpsr %x\n", r->arm_cpsr);
+ runtime·printf("fault %x\n", r->fault_address);
}
/*
* This assembler routine takes the args from registers, puts them on the stack,
* and calls sighandler().
*/
-extern void sigtramp(void);
-extern void sigignore(void); // just returns
-extern void sigreturn(void); // calls sigreturn
+extern void runtime·sigtramp(void);
+extern void runtime·sigignore(void); // just returns
+extern void runtime·sigreturn(void); // calls runtime·sigreturn
String
-signame(int32 sig)
+runtime·signame(int32 sig)
{
if(sig < 0 || sig >= NSIG)
- return emptystring;
- return gostringnocopy((byte*)sigtab[sig].name);
+ return runtime·emptystring;
+ return runtime·gostringnocopy((byte*)runtime·sigtab[sig].name);
}
void
-sighandler(int32 sig, Siginfo *info, void *context)
+runtime·sighandler(int32 sig, Siginfo *info, void *context)
{
Ucontext *uc;
Sigcontext *r;
@@ -59,7 +59,7 @@ sighandler(int32 sig, Siginfo *info, void *context)
uc = context;
r = &uc->uc_mcontext;
- if((gp = m->curg) != nil && (sigtab[sig].flags & SigPanic)) {
+ if((gp = m->curg) != nil && (runtime·sigtab[sig].flags & SigPanic)) {
// Make it look like a call to the signal func.
// Have to pass arguments out of band since
// augmenting the stack frame would break
@@ -75,75 +75,75 @@ sighandler(int32 sig, Siginfo *info, void *context)
// old link register is more useful in the stack trace.
if(r->arm_pc != 0)
r->arm_lr = r->arm_pc;
- r->arm_pc = (uintptr)sigpanic;
+ r->arm_pc = (uintptr)runtime·sigpanic;
return;
}
- if(sigtab[sig].flags & SigQueue) {
- if(sigsend(sig) || (sigtab[sig].flags & SigIgnore))
+ if(runtime·sigtab[sig].flags & SigQueue) {
+ if(runtime·sigsend(sig) || (runtime·sigtab[sig].flags & SigIgnore))
return;
- exit(2); // SIGINT, SIGTERM, etc
+ runtime·exit(2); // SIGINT, SIGTERM, etc
}
- if(panicking) // traceback already printed
- exit(2);
- panicking = 1;
+ if(runtime·panicking) // traceback already printed
+ runtime·exit(2);
+ runtime·panicking = 1;
if(sig < 0 || sig >= NSIG)
- printf("Signal %d\n", sig);
+ runtime·printf("Signal %d\n", sig);
else
- printf("%s\n", sigtab[sig].name);
+ runtime·printf("%s\n", runtime·sigtab[sig].name);
- printf("PC=%x\n", r->arm_pc);
- printf("\n");
+ runtime·printf("PC=%x\n", r->arm_pc);
+ runtime·printf("\n");
- if(gotraceback()){
- traceback((void*)r->arm_pc, (void*)r->arm_sp, (void*)r->arm_lr, m->curg);
- tracebackothers(m->curg);
- printf("\n");
- dumpregs(r);
+ if(runtime·gotraceback()){
+ runtime·traceback((void*)r->arm_pc, (void*)r->arm_sp, (void*)r->arm_lr, m->curg);
+ runtime·tracebackothers(m->curg);
+ runtime·printf("\n");
+ runtime·dumpregs(r);
}
// breakpoint();
- exit(2);
+ runtime·exit(2);
}
void
-signalstack(byte *p, int32 n)
+runtime·signalstack(byte *p, int32 n)
{
Sigaltstack st;
st.ss_sp = p;
st.ss_size = n;
st.ss_flags = 0;
- sigaltstack(&st, nil);
+ runtime·sigaltstack(&st, nil);
}
void
-initsig(int32 queue)
+runtime·initsig(int32 queue)
{
static Sigaction sa;
- siginit();
+ runtime·siginit();
int32 i;
sa.sa_flags = SA_ONSTACK | SA_SIGINFO | SA_RESTORER;
sa.sa_mask.sig[0] = 0xFFFFFFFF;
sa.sa_mask.sig[1] = 0xFFFFFFFF;
- sa.sa_restorer = (void*)sigreturn;
+ sa.sa_restorer = (void*)runtime·sigreturn;
for(i = 0; i<NSIG; i++) {
- if(sigtab[i].flags) {
- if((sigtab[i].flags & SigQueue) != queue)
+ if(runtime·sigtab[i].flags) {
+ if((runtime·sigtab[i].flags & SigQueue) != queue)
continue;
- if(sigtab[i].flags & (SigCatch | SigQueue))
- sa.sa_handler = (void*)sigtramp;
+ if(runtime·sigtab[i].flags & (SigCatch | SigQueue))
+ sa.sa_handler = (void*)runtime·sigtramp;
else
- sa.sa_handler = (void*)sigignore;
- if(sigtab[i].flags & SigRestart)
+ sa.sa_handler = (void*)runtime·sigignore;
+ if(runtime·sigtab[i].flags & SigRestart)
sa.sa_flags |= SA_RESTART;
else
sa.sa_flags &= ~SA_RESTART;
- rt_sigaction(i, &sa, nil, 8);
+ runtime·rt_sigaction(i, &sa, nil, 8);
}
}
}
diff --git a/src/pkg/runtime/linux/arm/sys.s b/src/pkg/runtime/linux/arm/sys.s
index f30aed001..b25cf81aa 100644
--- a/src/pkg/runtime/linux/arm/sys.s
+++ b/src/pkg/runtime/linux/arm/sys.s
@@ -25,11 +25,12 @@
#define SYS_gettid (SYS_BASE + 224)
#define SYS_futex (SYS_BASE + 240)
#define SYS_exit_group (SYS_BASE + 248)
+#define SYS_munmap (SYS_BASE + 91)
#define ARM_BASE (SYS_BASE + 0x0f0000)
#define SYS_ARM_cacheflush (ARM_BASE + 2)
-TEXT write(SB),7,$0
+TEXT runtime·write(SB),7,$0
MOVW 0(FP), R0
MOVW 4(FP), R1
MOVW 8(FP), R2
@@ -37,7 +38,7 @@ TEXT write(SB),7,$0
SWI $0
RET
-TEXT exit(SB),7,$-4
+TEXT runtime·exit(SB),7,$-4
MOVW 0(FP), R0
MOVW $SYS_exit_group, R7
SWI $0
@@ -45,7 +46,7 @@ TEXT exit(SB),7,$-4
MOVW $1002, R1
MOVW R0, (R1) // fail hard
-TEXT exit1(SB),7,$-4
+TEXT runtime·exit1(SB),7,$-4
MOVW 0(FP), R0
MOVW $SYS_exit, R7
SWI $0
@@ -53,7 +54,7 @@ TEXT exit1(SB),7,$-4
MOVW $1003, R1
MOVW R0, (R1) // fail hard
-TEXT ·mmap(SB),7,$0
+TEXT runtime·mmap(SB),7,$0
MOVW 0(FP), R0
MOVW 4(FP), R1
MOVW 8(FP), R2
@@ -64,7 +65,14 @@ TEXT ·mmap(SB),7,$0
SWI $0
RET
-TEXT gettime(SB),7,$32
+TEXT runtime·munmap(SB),7,$0
+ MOVW 0(FP), R0
+ MOVW 4(FP), R1
+ MOVW $SYS_munmap, R7
+ SWI $0
+ RET
+
+TEXT runtime·gettime(SB),7,$32
/* dummy version - return 0,0 */
MOVW $0, R1
MOVW 0(FP), R0
@@ -93,7 +101,7 @@ TEXT gettime(SB),7,$32
// int32 futex(int32 *uaddr, int32 op, int32 val,
// struct timespec *timeout, int32 *uaddr2, int32 val2);
-TEXT futex(SB),7,$0
+TEXT runtime·futex(SB),7,$0
MOVW 4(SP), R0
MOVW 8(SP), R1
MOVW 12(SP), R2
@@ -106,7 +114,7 @@ TEXT futex(SB),7,$0
// int32 clone(int32 flags, void *stack, M *m, G *g, void (*fn)(void));
-TEXT clone(SB),7,$0
+TEXT runtime·clone(SB),7,$0
MOVW flags+0(FP), R0
MOVW stack+4(FP), R1
MOVW $0, R2 // parent tid ptr
@@ -139,7 +147,7 @@ TEXT clone(SB),7,$0
MOVW $1234, R1
CMP R0, R1
BEQ 2(PC)
- B abort(SB)
+ BL runtime·abort(SB)
MOVW 0(R13), m
MOVW 4(R13), g
@@ -148,7 +156,7 @@ TEXT clone(SB),7,$0
MOVW 0(m), R0
MOVW 0(g), R0
- BL emptyfunc(SB) // fault if stack check is wrong
+ BL runtime·emptyfunc(SB) // fault if stack check is wrong
// Initialize m->procid to Linux tid
MOVW $SYS_gettid, R7
@@ -162,7 +170,7 @@ TEXT clone(SB),7,$0
MOVW $0, R0
MOVW R0, 4(R13)
- BL exit1(SB)
+ BL runtime·exit1(SB)
// It shouldn't return
MOVW $1234, R0
@@ -170,7 +178,7 @@ TEXT clone(SB),7,$0
MOVW R0, (R1)
-TEXT cacheflush(SB),7,$0
+TEXT runtime·cacheflush(SB),7,$0
MOVW 0(FP), R0
MOVW 4(FP), R1
MOVW $0, R2
@@ -178,30 +186,25 @@ TEXT cacheflush(SB),7,$0
SWI $0
RET
-TEXT sigaltstack(SB),7,$0
+TEXT runtime·sigaltstack(SB),7,$0
MOVW 0(FP), R0
MOVW 4(FP), R1
MOVW $SYS_sigaltstack, R7
SWI $0
RET
-TEXT sigignore(SB),7,$0
- RET
-
-TEXT sigreturn(SB),7,$0
- MOVW R0, R0
- B abort(SB)
+TEXT runtime·sigignore(SB),7,$0
RET
-TEXT sigtramp(SB),7,$24
+TEXT runtime·sigtramp(SB),7,$24
MOVW m_gsignal(m), g
MOVW R0, 4(R13)
MOVW R1, 8(R13)
MOVW R2, 12(R13)
- BL sighandler(SB)
+ BL runtime·sighandler(SB)
RET
-TEXT rt_sigaction(SB),7,$0
+TEXT runtime·rt_sigaction(SB),7,$0
MOVW 0(FP), R0
MOVW 4(FP), R1
MOVW 8(FP), R2
@@ -210,7 +213,7 @@ TEXT rt_sigaction(SB),7,$0
SWI $0
RET
-TEXT sigreturn(SB),7,$0
+TEXT runtime·sigreturn(SB),7,$0
MOVW $SYS_rt_sigreturn, R7
SWI $0
RET
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-06 14:15:39 +0000