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2e4be5 |
@@ -, +, @@
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exe->mount("source", "target", "filesystemtype", 0, nil <unfinished ...>
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mount@SYS("", "target", "filesystemtype", 0, nil) = -2
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<... mount resumed> = -1
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2e4be5 |
---
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sysdeps/linux-gnu/s390/fetch.c | 17 ++++++++++++-----
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1 files changed, 12 insertions(+), 5 deletions(-)
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--- a/sysdeps/linux-gnu/s390/fetch.c
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+++ a/sysdeps/linux-gnu/s390/fetch.c
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@@ -23,6 +23,7 @@
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#include <sys/ucontext.h>
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#include <assert.h>
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#include <errno.h>
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+#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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@@ -61,7 +62,8 @@ s390x(struct fetch_context *ctx)
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}
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static int
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-fetch_register_banks(struct process *proc, struct fetch_context *ctx)
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+fetch_register_banks(struct process *proc, struct fetch_context *ctx,
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+ bool syscall_enter)
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{
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ptrace_area parea;
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parea.len = sizeof(ctx->regs);
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@@ -72,15 +74,20 @@ fetch_register_banks(struct process *proc, struct fetch_context *ctx)
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strerror(errno));
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return -1;
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}
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+
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+ if (syscall_enter)
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+ ctx->regs.gprs[2] = ctx->regs.orig_gpr2;
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+
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return 0;
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}
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static int
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-fetch_context_init(struct process *proc, struct fetch_context *context)
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+fetch_context_init(struct process *proc, struct fetch_context *context,
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+ bool syscall_enter)
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{
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context->greg = 2;
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context->freg = 0;
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- return fetch_register_banks(proc, context);
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+ return fetch_register_banks(proc, context, syscall_enter);
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}
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struct fetch_context *
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@@ -89,7 +96,7 @@ arch_fetch_arg_init(enum tof type, struct process *proc,
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{
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struct fetch_context *context = malloc(sizeof(*context));
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if (context == NULL
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- || fetch_context_init(proc, context) < 0) {
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+ || fetch_context_init(proc, context, type == LT_TOF_SYSCALL) < 0) {
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fprintf(stderr, "arch_fetch_arg_init: %s\n",
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strerror(errno));
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free(context);
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@@ -277,7 +284,7 @@ arch_fetch_retval(struct fetch_context *ctx, enum tof type,
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return 0;
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}
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- if (fetch_context_init(proc, ctx) < 0)
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+ if (fetch_context_init(proc, ctx, false) < 0)
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return -1;
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return arch_fetch_arg_next(ctx, type, proc, info, valuep);
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}
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--
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