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procfs: make ipc vectors available

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This commit is contained in:
Ben Gras 2012-09-26 17:14:14 +02:00
parent 362e4c37a1
commit 2cdbb3041d
1 changed files with 33 additions and 0 deletions
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33
servers/procfs/root.c
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@ -12,6 +12,7 @@ static void root_kinfo(void);
static void root_meminfo(void); static void root_meminfo(void);
static void root_pci(void); static void root_pci(void);
static void root_dmap(void); static void root_dmap(void);
static void root_ipcvecs(void);
struct file root_files[] = { struct file root_files[] = {
{ "hz", REG_ALL_MODE, (data_t) root_hz }, { "hz", REG_ALL_MODE, (data_t) root_hz },
@ -22,6 +23,7 @@ struct file root_files[] = {
{ "pci", REG_ALL_MODE, (data_t) root_pci }, { "pci", REG_ALL_MODE, (data_t) root_pci },
{ "dmap", REG_ALL_MODE, (data_t) root_dmap }, { "dmap", REG_ALL_MODE, (data_t) root_dmap },
{ "cpuinfo", REG_ALL_MODE, (data_t) root_cpuinfo }, { "cpuinfo", REG_ALL_MODE, (data_t) root_cpuinfo },
{ "ipcvecs", REG_ALL_MODE, (data_t) root_ipcvecs },
{ NULL, 0, NULL } { NULL, 0, NULL }
}; };
@ -163,3 +165,34 @@ static void root_dmap(void)
dmap[i].dmap_driver); dmap[i].dmap_driver);
} }
} }
/*===========================================================================*
* root_ipcvecs *
*===========================================================================*/
static void root_ipcvecs(void)
{
extern struct minix_kerninfo *_minix_kerninfo;
extern struct minix_ipcvecs _minix_ipcvecs;
/* only print this if the kernel provides the info; otherwise binaries
* will be using their own in-libc vectors that are normal symbols in the
* binary.
*/
if(!_minix_kerninfo || !(_minix_kerninfo->ki_flags & MINIX_KIF_IPCVECS))
return;
/* print the vectors with an descriptive name and the additional (k)
* to distinguish them from regular symbols.
*/
#define PRINT_ENTRYPOINT(name) \
buf_printf("%08lx T %s(k)\n", _minix_ipcvecs.name ## _ptr, #name)
PRINT_ENTRYPOINT(sendrec);
PRINT_ENTRYPOINT(send);
PRINT_ENTRYPOINT(notify);
PRINT_ENTRYPOINT(senda);
PRINT_ENTRYPOINT(sendnb);
PRINT_ENTRYPOINT(receive);
PRINT_ENTRYPOINT(do_kernel_call);
}