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b79ac1 |
@@ -, +, @@
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b79ac1 |
exe->mount("source", "target", "filesystemtype", 0, nil <unfinished ...>
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b79ac1 |
mount@SYS("", "target", "filesystemtype", 0, nil) = -2
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b79ac1 |
<... mount resumed> = -1
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b79ac1 |
---
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b79ac1 |
sysdeps/linux-gnu/s390/fetch.c | 17 ++++++++++++-----
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b79ac1 |
1 files changed, 12 insertions(+), 5 deletions(-)
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b79ac1 |
--- a/sysdeps/linux-gnu/s390/fetch.c
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b79ac1 |
+++ a/sysdeps/linux-gnu/s390/fetch.c
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b79ac1 |
@@ -23,6 +23,7 @@
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b79ac1 |
#include <sys/ucontext.h>
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b79ac1 |
#include <assert.h>
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b79ac1 |
#include <errno.h>
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b79ac1 |
+#include <stdbool.h>
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b79ac1 |
#include <stdio.h>
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b79ac1 |
#include <stdlib.h>
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b79ac1 |
#include <string.h>
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b79ac1 |
@@ -61,7 +62,8 @@ s390x(struct fetch_context *ctx)
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b79ac1 |
}
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b79ac1 |
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b79ac1 |
static int
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b79ac1 |
-fetch_register_banks(struct process *proc, struct fetch_context *ctx)
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b79ac1 |
+fetch_register_banks(struct process *proc, struct fetch_context *ctx,
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b79ac1 |
+ bool syscall_enter)
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b79ac1 |
{
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b79ac1 |
ptrace_area parea;
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b79ac1 |
parea.len = sizeof(ctx->regs);
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b79ac1 |
@@ -72,15 +74,20 @@ fetch_register_banks(struct process *proc, struct fetch_context *ctx)
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b79ac1 |
strerror(errno));
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b79ac1 |
return -1;
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b79ac1 |
}
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b79ac1 |
+
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b79ac1 |
+ if (syscall_enter)
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b79ac1 |
+ ctx->regs.gprs[2] = ctx->regs.orig_gpr2;
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b79ac1 |
+
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b79ac1 |
return 0;
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b79ac1 |
}
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b79ac1 |
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b79ac1 |
static int
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b79ac1 |
-fetch_context_init(struct process *proc, struct fetch_context *context)
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b79ac1 |
+fetch_context_init(struct process *proc, struct fetch_context *context,
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b79ac1 |
+ bool syscall_enter)
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b79ac1 |
{
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b79ac1 |
context->greg = 2;
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b79ac1 |
context->freg = 0;
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b79ac1 |
- return fetch_register_banks(proc, context);
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b79ac1 |
+ return fetch_register_banks(proc, context, syscall_enter);
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b79ac1 |
}
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b79ac1 |
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b79ac1 |
struct fetch_context *
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b79ac1 |
@@ -89,7 +96,7 @@ arch_fetch_arg_init(enum tof type, struct process *proc,
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b79ac1 |
{
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b79ac1 |
struct fetch_context *context = malloc(sizeof(*context));
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b79ac1 |
if (context == NULL
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b79ac1 |
- || fetch_context_init(proc, context) < 0) {
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b79ac1 |
+ || fetch_context_init(proc, context, type == LT_TOF_SYSCALL) < 0) {
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b79ac1 |
fprintf(stderr, "arch_fetch_arg_init: %s\n",
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b79ac1 |
strerror(errno));
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b79ac1 |
free(context);
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b79ac1 |
@@ -277,7 +284,7 @@ arch_fetch_retval(struct fetch_context *ctx, enum tof type,
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b79ac1 |
return 0;
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b79ac1 |
}
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b79ac1 |
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b79ac1 |
- if (fetch_context_init(proc, ctx) < 0)
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b79ac1 |
+ if (fetch_context_init(proc, ctx, false) < 0)
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b79ac1 |
return -1;
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b79ac1 |
return arch_fetch_arg_next(ctx, type, proc, info, valuep);
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b79ac1 |
}
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b79ac1 |
--
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