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Code Issues Releases Activity

More move of osdep code.

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This commit is contained in:
Konstantin Belousov 2010-04-05 16:25:36 +03:00
parent a40641f326
commit ccc0ae665b
2 changed files with 50 additions and 47 deletions
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78
src/x86_64/Gos-freebsd.c
View file

@ -94,37 +94,57 @@ unw_handle_signal_frame (unw_cursor_t *cursor)
int ret;
if (c->sigcontext_format == X86_64_SCF_FREEBSD_SIGFRAME)
{
ucontext = c->dwarf.cfa + offsetof(struct sigframe, sf_uc);
Debug(1, "signal frame, skip over trampoline\n");
struct dwarf_loc rsp_loc = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RSP, 0);
ret = dwarf_get (&c->dwarf, rsp_loc, &c->dwarf.cfa);
if (ret < 0)
{
Debug (2, "returning %d\n", ret);
return ret;
}
c->dwarf.loc[RAX] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RAX, 0);
c->dwarf.loc[RDX] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RDX, 0);
c->dwarf.loc[RCX] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RCX, 0);
c->dwarf.loc[RBX] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RBX, 0);
c->dwarf.loc[RSI] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RSI, 0);
c->dwarf.loc[RDI] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RDI, 0);
c->dwarf.loc[RBP] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RBP, 0);
c->dwarf.loc[RSP] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RSP, 0);
c->dwarf.loc[ R8] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R8, 0);
c->dwarf.loc[ R9] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R9, 0);
c->dwarf.loc[R10] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R10, 0);
c->dwarf.loc[R11] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R11, 0);
c->dwarf.loc[R12] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R12, 0);
c->dwarf.loc[R13] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R13, 0);
c->dwarf.loc[R14] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R14, 0);
c->dwarf.loc[R15] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R15, 0);
c->dwarf.loc[RIP] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RIP, 0);
return 0;
}
else if (c->sigcontext_format == X86_64_SCF_FREEBSD_SYSCALL)
{
c->dwarf.loc[RCX] = c->dwarf.loc[R10];
/* rsp_loc = DWARF_LOC(c->dwarf.cfa - 8, 0); */
/* rbp_loc = c->dwarf.loc[RBP]; */
c->dwarf.loc[RIP] = DWARF_LOC (c->dwarf.cfa, 0);
ret = dwarf_get (&c->dwarf, c->dwarf.loc[RIP], &c->dwarf.ip);
Debug (1, "Frame Chain [RIP=0x%Lx] = 0x%Lx\n",
(unsigned long long) DWARF_GET_LOC (c->dwarf.loc[RIP]),
(unsigned long long) c->dwarf.ip);
if (ret < 0)
{
Debug (2, "returning %d\n", ret);
return ret;
}
c->dwarf.cfa += 8;
return 1;
}
else
return -UNW_EBADFRAME;
Debug(1, "signal frame, skip over trampoline\n");
struct dwarf_loc rsp_loc = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RSP, 0);
ret = dwarf_get (&c->dwarf, rsp_loc, &c->dwarf.cfa);
if (ret < 0)
{
Debug (2, "returning %d\n", ret);
return ret;
}
c->dwarf.loc[RAX] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RAX, 0);
c->dwarf.loc[RDX] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RDX, 0);
c->dwarf.loc[RCX] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RCX, 0);
c->dwarf.loc[RBX] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RBX, 0);
c->dwarf.loc[RSI] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RSI, 0);
c->dwarf.loc[RDI] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RDI, 0);
c->dwarf.loc[RBP] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RBP, 0);
c->dwarf.loc[RSP] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RSP, 0);
c->dwarf.loc[ R8] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R8, 0);
c->dwarf.loc[ R9] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R9, 0);
c->dwarf.loc[R10] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R10, 0);
c->dwarf.loc[R11] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R11, 0);
c->dwarf.loc[R12] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R12, 0);
c->dwarf.loc[R13] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R13, 0);
c->dwarf.loc[R14] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R14, 0);
c->dwarf.loc[R15] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R15, 0);
c->dwarf.loc[RIP] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RIP, 0);
return 0;
}

19
src/x86_64/Gstep.c
View file

@ -77,24 +77,7 @@ unw_step (unw_cursor_t *cursor)
Debug (13, "dwarf_step() failed (ret=%d), trying frame-chain\n", ret);
c->sigcontext_format = unw_is_signal_frame (cursor);
if (c->sigcontext_format == X86_64_SCF_FREEBSD_SYSCALL) {
c->dwarf.loc[RCX] = c->dwarf.loc[R10];
// rsp_loc = DWARF_LOC(c->dwarf.cfa - 8, 0);
// rbp_loc = c->dwarf.loc[RBP];
c->dwarf.loc[RIP] = DWARF_LOC (c->dwarf.cfa, 0);
ret = dwarf_get (&c->dwarf, c->dwarf.loc[RIP], &c->dwarf.ip);
Debug (1, "Frame Chain [RIP=0x%Lx] = 0x%Lx\n",
(unsigned long long) DWARF_GET_LOC (c->dwarf.loc[RIP]),
(unsigned long long) c->dwarf.ip);
if (ret < 0)
{
Debug (2, "returning %d\n", ret);
return ret;
}
c->dwarf.cfa += 8;
return 1;
} else if (c->sigcontext_format != X86_64_SCF_NONE)
if (unw_is_signal_frame (cursor))
{
ret = unw_handle_signal_frame(cursor);
if (ret < 0)